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Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc. cover

Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.

Chapter 101: GLOSSARY
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About This Book

The guide presents detailed botanical descriptions and identification keys for roughly one thousand North American fungi, arranged by genera and illustrated with colored plates and charts. It explains macroscopic features such as cap, gills, ring, volva, and growth stages, offers criteria to distinguish edible species from poisonous lookalikes, and summarizes known toxins and first-aid and treatment measures. Practical sections cover methods for collecting and preparing mushrooms, cooking recipes, and instructional material for students of mycology. Emphasis is on careful field identification, avoidance of dangerous species, and clear visual references to assist amateurs and collectors.

GLOSSARY

A-, prefixed signifies absence; as aseptate, without septa.

Abbreviations: cm. = centimeter.
mm. = millimeter.
µ = micron.
in. = inch.
´ = inch or inches.
= line(112 inch) or lines.
nov. gen. = new genus.
n. sp. = new species.
× between two figures signifies by; 2×4 = 2 by 4.
- between two figures = to; 2–4 = from 2 to 4.

Aber´rant (aberran(t-)s, ppr. of aberrare, stray from, < ab, from, + errare, to stray), differing in some of its characters from the group in which it is placed, said of a plant, species, genus.

Abjec´tion (abjectio(n-), act of casting away, abicere, abjicere, < ab, away, + jacere, throw), throwing off with force, as spores or seeds; expulsion.

Abjoint´ (ab, from, + junctus, adjoining), to joint off or delimit by septa or partitions.

Abnor´mal (abnormis, deviating from a fixed rule, irregular, < ab, from, + norma, a rule), not conforming to the usual type; irregular, unnatural.

Abor´tive (abortivus, born prematurely), imperfect or wanting.

Abrupt´ (abruptus, steep, disconnected, < ab, off, + rumpere, break), terminating suddenly.

Abstric´tion (abstrictus, ppr. of abstringere, < abs, from, + stringere, bind), separation of one part from another by constriction, especially of spores from their hyphæ.

Acaules´cent, Acau´line, Acau´lose, Acau´lous (caulis, a stem or stalk of a plant), having a very short stem or none; stemless.

Ac´erose (acerosus, chaffy), narrow, stiff and pointed like spruce needles; intermediate in form between acicular and subulate.

Acetab´uliform (acetabulum, a cup-shaped vessel; forma, form), cup-shaped, having the form of a shallow bowl.

Ach´roous (Gr—priv. + Gr—color), colorless, achromatic.

Acic´ula (pl. Aciculæ)(a needle, a small pin, dim. of acus, a needle), a needle-shaped spine, prickle or other body.

Acic´ular, Acic´ulate, Ac´iform (acicula, a small pin or needle), needle-shaped, having a sharp point like a needle, as pine leaves.

Ac´rogen (Gr—at the top, + Gr—born, produced), a cryptogam which increases by development [of an apical cell] at the summit of an axis, having a true stem, leaf-like appendages, etc., as ferns, mosses, etc.

Acrog´enous (as acrogen + ous), (a) produced at the apex, as some spores from the apex of a hyphal branch; (b) of the nature of or pertaining to acrogens.

Acrop´etal (Gr—the top, + L.petere, seek), developing from below upward, or from the base toward the apex.

Acu´leate, Acu´leated (aculeatus, furnished with prickles or stings), slender-pointed.

Acu´leus (pl. Acu´lei) (a sting, prickle, spine, dim. of acus, a needle), a prickle.

Acu´minate (acumen, a point or extremity), terminating in a long drawn point.

Acute´ (acutus, sharp), sharp, applied to gills having sharp edges or pointed at either end.

Ad´nate (adnatus, grown to, pp. adnasci, to grow to), growing into or fast to; of gills, e. g. closely attached to the stem.

Adnexed´ (adnexus, connected), of gills attached to the stem, but not adnate to it.

Adpressed´ (adpressus, pp. of adprimere, < ad, to; premere, to press), pressed in close contact but not adherent.

Adventi´tious (adventitius, prop. adventicius, coming from abroad, < adventus, pp. of advenire, come to, arrive at), appearing casually, or in an abnormal or unusual position or place.

Æru´ginose, Æru´ginous (æruginosus, < ærugo, rust of copper), verdigris-green.

Affin´ity (affinita(t-)s, < affinis, neighboring, related by marriage), morphological relationship; resemblance in general plan of structure.

Agam´ic, Ag´amous (Gr—unmarried + ic), sexless.

Ag´amogen´esis (Gr—unmarried, + Gr—production), non-sexual reproduction.

Agam´ospore (Gr—unmarried, + spora, spore), spore formed without fertilization.

Ag´aric (agaricum, a kind of tree-fungus used as tinder, named, according to Dioscorides, from the country of the Agari in Sarmatia, where this fungus abounded), any gill-bearing fungus; formerly applied only to members of the genus Agaricus.

Agar´icioid, of the nature of an agaric; mushroom-like.

Agglom´erate (agglomeratus, pp. of agglomerare, adglomerare, wind into a ball, < ad, to, + glomerare, wind into a ball), (a) clustered densely, but not connected together; (b) gathered into a rounded mass or into a compacted heap or pile.

Agglu´tinated (agglutinatus, pp. adglutinare, paste to), glued to a surface; grown together fast; applied to fungi that are firmly attached to matrix.

Ag´gregate, Ag´gregated (aggregatus, pp. adgregare, lead to a flock; add to), collected together but not cohering.

Albu´minoid (albumen + oid), an organic substance containing nitrogen in its composition, as proteids.

Allan´toid (Gr—a sausage, + Gr—form), sausage-shaped; narrowly oblong.

Allia´ceous (allium, garlic, + aceous), having the odor of onions.

Aluta´ceous (alutacius, < aluta, soft leather), having the quality or color of tanned leather; leathery.

Alveo´late (alveolatus, hollowed out, < alveolus, a small hollow), with small depressions like a shallow honeycomb, pitted.

Amor´phous (Gr—without form, shapeless, misshapen), without definite form, structure or position.

Am´phigen (Gr—around, + Gr—produce), a thallogen; a name applied to a cryptogam which increases by development of cellular tissue in all directions and not at the summit of a distinct axis. See Acrogen.

Amphig´enous (Gr—about; Gr—to beget), not confined to one surface, growing all around; e. g., hymenium of Clavaria.

Amyg´daline (amygdalinus, < amygdala, almond), resembling the almond.

Amyla´ceous (amylum, starch, + aceous), composed of, containing or resembling starch.

Am´ylum (Gr—starch), starch.

Anal´ogy (Gr—equality of ratios, proportion), superficial or general resemblance, without structural agreement; physiologically or functionally alike, morphologically unlike.

Anas´tomosing (Gr—an opening, outlet, discharge), united by running together irregularly; intercommunication of vessels, lines, gills or veins with each other.

Angiocar´pous (Gr—a capsule, case, vessel of any kind), having the hymenium developed in a closed receptacle.

Angus´tate (angustatus, pp. of angustere, straiten, narrow, < angustus, narrow), narrow.

An´nual (annualis, a year old, < annus, a year), completing growth in one year or season.

An´nular (annularis, relating to a ring, < annulus, a ring), ring-shaped.

An´nulate (See Annular), having a ring.

An´nulus (See Annular), the ring on the stem of a mushroom formed by the separation of the veil from the margin of the cap.

Anom´alous (anomalus, irregular, uneven), deviating from a general rule, method or analogy.

Anom´aly (anomalia, irregularity, unevenness), any deviation from the usual character.

Ante´rior (as if from anterus, < ante, before), in front; denotes a position on the under side of the pileus adjacent to the margin; thus the end of a lamellæ next the margin is called the anterior end.

Aparaph´ysate (a + Gr—an offshoot), without paraphyses.

A´pex (pl. Api´ces)(apex, the extreme end), in mushrooms the extremity of the stem nearest the gill; the end furthest from the base or point of attachment.

Ap´ical (apex, the extreme end, point), relating to the apex or top.

Ap´ices, plural of apex.

Apic´ulate (apiculatus, dim. of apex, a point), terminating in a short, abrupt point.

Apic´ulus (pl. Apic´uli) (dim. of apex (apic-), a point), a short, sharp point.

Apothe´cium (pl. Apothe´cia), (Gr—a storehouse), in Ascomycetes, an open cup-shaped fructification with the hymenium on its upper concave surface; cup.

Appendic´ulate (appendiculatus < appendicula, appendix, an appendage), hanging in small fragments; having an unusual appendage.

Ap´planate (applanatus < ad, to, + planus, flat), flattened out or horizontally expanded.

Appressed´ (appressus, adpressus, pp. of adprimere, press to, < ad, to, + premere, press), applied closely to the surface or to each other; adpressed.

Approx´imate (approximatus, pp. approximare < ad, to; proximare, to approach), of gills which approach but do not reach the stem.

A´queous (as if aqueus, < aqua, water), watery; nearly colorless; hyaline.

Arach´noid (Gr—a spider’s web; + forma, form), like a cobweb.

Arbo´real, Arbor´ical (arboreus, pertaining to trees), tree-inhabiting.

Ar´cuate (arcuatus, pp. arcuare, to bend like a bow, < arcus, a bow), bow-shaped.

Arena´ceous, Arena´rious, Are´nose (arenaceus, harenaceus, sandy, < arena, harena, sand), sandy; growing in sandy places.

Are´olate (areola, dim. of area, a plot), divided into little areas or patches.

Argilla´ceous (argillaceus < argilla, white clay), resembling or like clay.

Ar´id (aridus, dry, < arere, be dry), dry.

Aris´tate (aristatus < arista, awn or beard), having a pointed beard-like process as in barley.

Armil´la (armilla, a bracelet, armlet, hoop, ring, dim. prob. of armus, shoulder), a plaited frill hanging from the apex of the stem.

Arte´riole (arteriola, dim. of arteria, artery), a small artery.

Artic´ulate (articulatus, pp. of articulare, divide into joints or members, < articulus, a joint, etc.), jointed.

Ascend´ing (ad, to, + scandere, to climb), inclining or growing upward; applied to a lamella where its edge forms a line ascending in the direction from the margin of pileus toward the apex of the stipe; as in conical shaped pilei; applied to the partial veil when in the young stage its stem-attachment is below the level of its marginal one; in this case a ring formed from it is called inferior.

As´ci (Gr—a leathern bag, bladder), spore cases of certain mushrooms, in which a definite number of spores are enclosed in a sac.

Ascif´erous, Ascoph´orous (ascus + ferre, bear), ascus-bearing.

Ascig´erous (ascus + gerere, bear), bearing asci.

As´cocarp (Gr—a bag, + a fruit), in Ascomycetes, sporocarp producing asci and ascospores.

Ascog´enous (Gr—a bag, + producing), producing asci.

Ascomyce´tes (Gr—a bag, + Gr—a mushroom), group of fungi in which the spores are produced within little sack-like cells, called asci.

Ascomyce´tous, of or pertaining to the ascomycetes.

As’cophore (Gr—bearing wine-skins; Gr—a bag), sporophore bearing an ascus or asci.

Ascoph´orous, bearing an ascus or asci.

As´cospores (Gr—a bag, + Gr—seed), one of a number of spores formed within an ascus.

As´cus (pl. As´ci) (Gr—a leather bag, bottle, bladder, etc.), microscopic sack-like cells in which spores, generally eight in number, are developed.

Asep´tate (Gr—without, + L.septum, a fence), without partitions or septa, said of hyphæ and spores.

Ash Color (See Cinereous).

As´perate, As´perated (asperatus, pp. of asperare, roughen, < asper, rough), having a rough, uneven surface.

As´tichous (astichus, < a + Gr—row), not arranged in rows.

Asto´matous (astomatus, mouthless), without a mouth or aperture; without stomata.

As´tomous (astomus, mouthless), without a stoma or mouth.

At´omate (Gr—an atom), sprinkled with atoms or minute particles.

A´tro (ater, black), in composition “black,” or “dark.”

A´tropurpu´reous (ater, black, + purpura, purple dye, + ous), dark purple.

A´trosanguin´eous (ater, black; sanguineus, blood, bloody), dark purple; dark blood color.

Atten´uate (attenuatus, pp. of attenuare, make thin, weaken, lessen, < ad, to, + tenuare, make thin), becoming gradually narrowed or smaller.

Auranti´aceous (aurantium, an orange), orange-colored.

Aur´eous (aureus, of gold, golden, < aurum, gold), golden-yellow; yellow with a slight tinge of red.

Auric´ulate, Aur´iform (auriculatus, < auricula, the external ear), ear-shaped.

Auto-basid´ium (actus, an act, dim. of Gr—a base, + basidium), an unseptated basidium giving rise at the apex to four slender sterigmata (sometimes fewer, sometimes more), each bearing a spore.

Auton´omous (Gr—independent; of one’s own free will; Gr—self, + Gr—hold sway), said of plants that are perfect and complete in themselves; not forming part of a cycle; independent.

Ax´is (axle, axis, pole of the earth), the central line of growth; stipe, stalk, etc.

Azo´nate (Gr—without, + L.zona, a zone), without zones or circular bands of different color.

Ba´dious (badius, bay), bay; reddish-brown; chestnut color.

Band, a broad bar of color.

Banded, marked with bands.

Barbed (barba, beard), furnished with barbs, fibrils or hairs.

Base (bassus, low, short, thick), the extremity opposite to the apex; the part of an organ nearest its point of attachment; applied to lamellæ; (a) the line of attachment to the pileus (as connected by veins at the base); (b) sometimes used to define the end attached to the stipe (broad or reticulate at the base).

Basid´iogenet´ic (Gr—a base + genesis), produced upon a basidium.

Basid´iomyce´tes (basidium + Gr—a mushroom), group of fungi which has its spores produced upon basidia.

Basid´iophore (basidium + Gr—to bear), a sporophore bearing basidia.

Basid´iospore (basidium + Grspora, spore; seed), spore acrogenously abjointed upon a basidium.

Basid´ium (pl. Basid´ia), mother cells in the hymenium of basidiomycetes formed on the end of a hyphal branch and abstricting spores; the spores are generally four in number, each on a sterigma, but sometimes more, sometimes fewer, and sometimes sessile. See Auto-basidium and Proto-basidium.

Basip´etal (basis, a base, + petere, seek, + al), in the direction of the base.

Bay (badius), a very rich dark-reddish chestnut; badious.

Bi-, prefix, meaning twice.

Bib´ulous (bibulus, < bibere, drink), having the quality of absorbing or imbibing moisture.

Bicip´etal, Bicip´itous (biceps (bicipit-), two-headed, + al), in botany divided into two parts at the top or bottom.

Bi´fid (bifidus, forked, < bi, two, + findere, cleave, divide), cleft or divided into two parts.

Bifur´cated (bifurcus, two-forked), divided into two forks or branches as in the gills of certain Agarics.

Biloc´ular (bi, two, + loculus, a cell, < locus, a place), two-celled.

Biog´enous (bi, two, + genus, < gena, born), growing on living organisms.

Bise´riate, Bise´rial (bi, two, + seriate), arranged in two rows.

Bis´tre (fuligineus), a dark brown color somewhat more reddish than sepia, but much less so than burnt umber.

Boot´ed, applied to the stem of a mushroom when enclosed in a sheath or volva; peronate.

Boss, a knob or short rounded protuberance; umbo.

Bossed, Bull´ate (bulla, a bubble), furnished with a boss, stud or umbo.

Branched (brancha, claw), dividing from the sides; also styled furcate and forked; ramifying, diverging.

Brick, trade-term for a mass of mushroom spawn, in dimensions the size of a brick of masonry.

Brick Red (testaceus, lateritius, rutilus), a dull brownish-red color like the color of burnt bricks.

Broad, wide or deep vertically, not narrow.

Broccoli Color, the color of a variety of cabbage.

Buff (luteus, luteolus), a light dull brownish-yellow, like the color of dressed buck-skin or chamois.

Bul´bous (bulbosus, < bulbus, bulb), said of the stem of a mushroom when it has a bulb-like swelling at the base.

Byssa´ceous, Bys´soid (as if byssaceus, < byssus), resembling or consisting of fine filaments like the flax or cotton.

Bys´sus (Gr—originally a fine yellowish flax), an old name for the filamentous mycelium of certain fungi.

Cæru´leus, Ceru´leos (cæruleus, dark-blue, dark-green, dark colored), light blue; sky-blue.

Cæ´sious (cæsius, bluish-gray), pale, bluish-gray; lavender colored.

Cæs´pitose, Cæs´pitous, Ces´pitose (cæspitosus, < cæsposus, a clump of turf), growing in tufts or clumps.

Calca´reous (calcarius, pertaining to lime, < calyx, lime), chalky, chalk-like.

Callos´ity, Cal´lus (callosita, < callosus, callous), a hard or thickened spot or protuberance.

Calyp´tra (Gr—a veil, hence calyptra, a hood), applied e. g. to the portion of the volva covering the pileus.

Campan´ulate (campana, a bell), bell-shaped.

Canalic´ulate (canaliculus, a little channel), channeled, furrowed.

Can´cellate (cancellatus, pp. of cancellare, make like or provide with a lattice), latticed, marked both longitudinally and transversely with an open network.

Can´didous (candidus), shining white.

Canes´cent (canescen(t-)s, pp. of canescere, < canus, white or hoary), having whitish, grayish or hoary pubescence.

Cap, pileus; the expanded, umbrella-like receptacle of the common mushroom.

Cap´illary (capillaris, pertaining to the hair, < capillus, the hair), pertaining to or resembling hair.

Capil´liform (capillus, hair, + forma, form), in the shape or form of a hair.

Capillit´ium (capillus, hair), spore-bearing threads, filling as a packing material the fruiting part of certain fungi, variable in thickness and color, sometimes continuous with the sterile base, sometimes free, dense, persistent or lax and evanescent, often branched; found in the Lycoperdons.

Cap´itate (capitatus, having a head, < caput, head), having a head, or the form of a head.

Capit´ulum (capitulum, a small head, < caput, head), a small head.

Cap´sule (capsula, a small box or chest, dim. of capsa, a box), an enclosing envelope usually thin and membranous.

Carbona´ceous (carbon + aceous), rigid, blackish and brittle; like or composed of carbon or coaly matter.

Car´diac (cardiacus, heart), of or pertaining to the heart; pertaining to the esophageal portion of the stomach, opposed to pyloric.

Ca´rious (cariosus, < caries, decay), decayed.

Carmine (carmineus, coccineus), a very pure and intense crimson, the purest of the cochineal colors.

Car´neous (carneus, < caro, flesh), fleshy; flesh-colored.

Car´nose (carnosus, fleshy, < caro, flesh), fleshy.

Cartilag´inous (cartilaginosus, < cartilago, gristle), firm and tough; gristly.

Casta´neous (castaneus), chestnut-colored; chestnut color. (Burnt umber + vermilion.)

Cau´date (caudatus, < cauda, a tail), having a tail-like appendage.

Caulic´olous (dim. of caulis, a stalk), growing on herbaceous stems.

Cell (cella, a small room, barn, etc.), (a) a small cavity, compartment or hollow place; (b) a mass of protoplasm of various size and shape, generally microscopic, with or without a nucleus and enclosing wall, the fundamental form-element of every organized body.

Cell´ular (cellula, dim. of a cell, + ar), composed of cells.

Cell´ulose (cellula, a cell), the essential constituent of the primary wall-membrane of cells, a secretion from the contained protoplasm; allied to starch, sugar and inulin. Chemical formula, C6H10O5.

Centimeter, CM. (centum, a hundred, + metre, meter), in the metric system a measure of length, the hundredth part of a meter, equal to 0.3937 of an English inch.

Centrif´ugally (centrum, the center, + fugere, flee), from the center outwards.

Centrip´etally (centrum, the center, + petere, seek, move toward), from the circumference toward the center.

Ce´pæform (cepa, an onion; forma, form), onion-shaped.

Cera´ceous (ceraceus, < cera, wax), wax-like, waxy.

Cereb´riform (cerebrum, the brain, + forma, form), brain-shaped.

Cer´vine (cervinus, < cervus, deer), of a deep tawny or fawn color.

Chan´neled (canalis, a water-pipe, canal), hollowed out like a gutter; canaliculate

Charta´ceous (chartaceus, < charta, paper), like paper.

Chestnut Color (castaneus, spadiceus), a rich dark reddish-brown of a slightly purplish cast. (Vermilion + burnt umber.)

Chlam´ydospores (Gr—mantle, + Gr—seed) (encased spores), one of a number of thick-walled resting spores usually formed in rows from the breaking up of the hyphæ into spherical bead-like cells; on germination they may develop sporangia or conidiophores.

Chlo´rophyll (chlorophyllum, Gr—yellowish-green; Gr=L., folium, a leaf), the green coloring matter of plants.

Chloro´sis (Gr—greenness, paleness), loss of color, etiolation.

Chocolate-Brown (chocolatinus), a rich dark reddish-brown color, like the exterior glazed surface of a cake of chocolate.

Chrome-Green (chromium-viridis), a dull green color, nearly intermediate between malachite green and sage green.

Chrome-Yellow, a deep yellow.

Cil´ia (pl. of Cili´um), (cilium, an eye-lid), marginal hair-like processes.

Cil´iate (cilium, an eye-lid), fringed with hair-like processes.

Cine´reous, Cinera´ceous (cinereus, cineraceus), ash-gray; a light bluish-gray color, lighter than plumbeous.

Cin´nabarine (cinnabar, vermilion, + ine), cinnabar-colored; bright red; vermilion.

Cinnamo´meous, Cinnamon (cinnamomeus, cinnamominus), a light reddish-brown color, like the inner surface of cinnamon bark.

Cinnamon-Rufous (cinnamomeo-rufus), rufous with a tinge of cinnamon. (Burnt sienna + raw umber + light red + white.)

Cir´cinate (circinatus, pp. circinare, to make round), disposed in a circle; circular, coiled like a shepherd’s crook.

Circumscis´sile (circumscissus, pp. of circumscindere, cut about), opening or dividing by a transverse circular line; applied to a mode of dehiscence in some fruits.

Cit´rine, Cit´reous, Cit´rinous (citrus, a lemon or citron), lemon-yellow colored.

Clath´rate, Clath´roid (clathratus, Gr—a lattice), latticed.

Cla´vate, Clav´iform (clavatus, < clava, a club), club-shaped, gradually thickened towards the top.

Clay Color (lutescens, luteolus, lutosus, argillaceus), a dull light brownish-yellow color, nearly intermediate between yellow ocher and Isabella color.

Cleis´tocarp, Clis´tocarp (Gr—that can be closed, + fruit), an ascocarp which is entirely closed, and from which the spores escape by its final rupture.

Close, packed closely side by side; said of lamellæ when they are close together; also styled crowded.

Coales´cent (coalescens, ppr. of coalescere, grow together), growing together of similar parts; coherent.

Coch´leate, Cochlear´iform (cochleatus, cocleatus, spiral, < cochlea, coclea, a snail’s shell), shaped like a snail shell.

Cohe´rent (coherens, ppr. of cohærere, stick together, cohere), sticking together of similar parts; sometimes used in the sense of connate.

Collen´chyma (Gr—glue, + Gr—an infusion), in Geaster, etc., a cartilaginous-gelatinous tissue, hygroscopic and with great capacity for swelling, forming one of the inner layers of the peridium; its swelling at maturity causes the outer peridium to burst outward in a stellate manner.

Collic´ulose (colliculus, a little hill, dim. of collis, a hill), covered with little hill-like elevations.

Col´loid (Gr—glue, + semblance), like glue or jelly.

Columel´la (columella, a little column), a sterile tissue rising column-like in the midst of the capillitium, serving as a point of insertion for the threads which connect it with the peridium in the form of a network. (In Lycoperdaceæ.)

Co´mate, Co´mose, Co´mous (comatus, hairy, < coma, a hair), furnished with a tuft of silky hairs; hairy.

Com´planate (complanatus, pp. of complanare, make plane or plain), flattened vertically to a level surface above and below.

Compressed´ (compressa, fem. of compressus, pp. of comprimere, compress), flattened laterally.

Concat´enate (con, together, + catenare, link, chain, < catena, a chain), linked together in a chain.

Concave´ (concavus, hollow, arched, vaulted; com, together, + cavus, hollow), having a rounded, incurved surface.

Concen´tric (con, together; centrum, center), having a common center, as a series of rings, one within another.

Concep´tacle (conceptaculum, < concipere, pp. conceptus, contain, conceive), a closed sporiferous body.

Con´chiform (concha, a shell, + forma, shape), shell-shaped, resembling a clam-shell in shape.

Concolored, Concol´orous (concolor, of one color), of a uniform color.

Concres´cent (concrescentia, < concrescere, grow together), growing together.

Con´crete (concretus, grown together, solid), coalescent; united in a coagulated, condensed or solid mass; grown together.

Confer´void (conferva, a name applied to certain of the Algæ, sea-weeds; + Gr—form), like a Conferva, from the finely branched threads; loose and filamentous.

Con´fluent (con, together, + Grfluere, flow), blended into one.

Con´gener (congener, of the same race, < con, together, + genus (gener), race), of the same genus or kind.

Congener´ic, Congener´ical, Congen´erous (congener, of the same race, + ic, ous), belonging to or nearly allied to the same genus.

Congenet´ic (con, together, + Gr—generation, seed), produced at the same time or by the same cause; alike in origin.

Conglom´erate (conglomeratus, pp. of conglomerare, roll together, heap together, < com, together, + glomerare, gather into a ball), densely clustered; gathered into a round mass; composed of heterogeneous materials.

Conglu´tinate (conglutinatus, pp. of conglutinare, glue together, < com, together, + glutinare, glue), as if glued together.

Conid´ial (conidium + al), pertaining to or of the nature of a conidium or conidia; characterized by the formation of conidia; bearing conidia.

Conidiif´erous, Conidioph´orous (conidium, dust, + ferre, bear), bearing conidia.

Conid´iophore (conidium, + Gr—bearing), a hypha from which are abstricted conidia.

Conid´ium (pl. Conidia), a non-sexual spore formed singly or in chains by abstriction from the ends of hyphæ or hyphal branches. See under Spore.

Co´nifer (conifer, cone-bearing, < conus, a cone, + ferre, bear), a cone-bearing tree.

Conjuga´tion (conjugatio(n-), a joining, entomological relationship, < conjugare, pp. conjugatus, join), union of two cells to form a spore.

Con´nate (connatus, pp. connasci, < con, together; nascor, to be born), united by growing together from the first.

Con´nivent (conniven(t-)s, coniven(t-)s, ppr. of connivere, conivere, wink at; overlook), having an inward direction, converging, coming in contact, said of a cup whose sides curve inward and meet at the margin.

Con´stant (constan(t-)s, steady, firm, < com, together, + stare), always present or always in the same condition.

Constric´ted (constrict + ed), contracted so as to be smaller in one or more places than in others.

Con´text (contextus, pp. of contexere, join or weave together), texture; substance.

Contig´uous (contiguus, touching), near, or in contact.

Contin´uous (continuus, joined, < continere, hold together), without a break; applied to spores or hyphæ that have no septa.

Contor´ted (contortus, pp. of contorquere, twist, < com, together; torquere, twist), distorted, twisted, crooked or deformed.

Con´vex (convexus, vaulted, arched, convex, concave), elevated and regularly rounded; forming the segment of a sphere or nearly so.

Convex´o-Plane, between convex and flat.

Con´volute (convolutus, pp. of convolvere, roll together), covered with irregular convexities and depressions resembling the convolutions of the brain.

Cor´date (cordatus, heart-shaped), heart-shaped.

Coria´ceous (coriaceus, < corium, leather), of a leathery texture.

Cor´neous (corneus, horny), of a horny texture.

Cor´rugated (corrugatus, pp. corrugare, < con, together, + rugare, to wrinkle), wrinkled; contracted; puckered; having a wrinkled appearance.

Cor´tex (cortex, cork), literally bark; a covering of cells enclosing the axis; cortical layer; the outer rind-like layer or layers of some fungus bodies.

Cor´tical (cortex (cortic), bark, rind, + al), of or pertaining to the cortex.

Cor´ticate, Cor´ticated (corticatus, pp. adj., < cortex, bark), furnished with bark-like covering; having a rind.

Corti´na (cortina), a veil of spider-web structure rupturing at or near the stem; applied to the peculiar veil of the genus Cortinarius.

Cor´tinate (cortinatus, < cortina, a curtain), provided with or pertaining to a cortina.

Cos´tate (costatus, ribbed, < costa, rib), having a ridge or ridges as if ribbed.

Costæ (pl. of costa, a rib, a side), ribs or primary veins (as in a leaf).

Crate´ra (crater, a bowl), a cup-shaped receptacle.

Crater´iform (crater, a crater, + forma, shape), basin or saucer-shaped; having the form of a crater.

Cream Color (cremeus), a light pinkish-yellow color like cream.

Cre´nate (crenatus, < crena, a notch), notched at the edge, indented, scalloped: The notches are blunt or rounded, not sharp as in a serrated edge.

Cren´ulate, Cren´ulated (crenulatus), same as crenate.

Creta´ceous (cretaceus, chalky, < creta, chalk), chalky; of the color of chalk.

Crib´rate, Crib´riform (cribrum, a sieve, + forma, shape), sieve-like; perforated with small holes.

Crib´rose (cribrosus, < cribrum, a sieve), pierced with holes; perforated.

Crimson (carmineus, sanguineus, sanguineo-ruber), blood-red, the color of the cruder sorts of carmine.

Cri´nite (crinitus, haired, pp. of crinire, provide with hair, < crinis, hair), having a tuft of long, weak hairs.

Crisp, Crisped, Cris´pate (crispus, curled, wavy, uneven, tremulous), having the surface, especially near the margin, strongly and finely undulate, as the leaves of the Savoy cabbage.

Cris´tate (cristatus, < crista, a crest), crested; bearing a ridge, mane or tuft on the top.

Cru´ciate, Cru´ciform (cruciatus, pp. of cruciare, torture), having the form of a cross with equal arms.

Crusta´ceous (crusta, a crust, + aceous), of hard and brittle texture.

Cryp´togam (Gr—hidden, + marriage), a plant of the order Cryptogamia.

Cryptoga´mia (Gr—hidden, + marriage), flowerless plants propagated by spores.

Cryptog´amy (Gr—hidden, + marriage), obscure fructification as in plants of the class Cryptogamia.

Culm (culmus, a stalk), the stem of grasses.

Cu´neate, Cune´iform (cuneatus, pp. of cuneare, wedge, make wedge-shaped, < cuneus, a wedge), wedge-shaped.

Cup (cupa, a tub, cask, vat), the concave fruiting body of angiocarpous lichens and discomycetous fungi; the peridium of a clustering fungus. See Apothecium.

Cu´preous (cupreus, of copper, < cuprum, copper), copper-colored.

Cu´pular, Cu´pulate (a little cup, dim. of cupa, a cup), cup-shaped.

Cu´pule, Cu´pula (a little cup, dim. of cupa, a cup), a receptacle shaped like a little cup, as in Peziza.

Curled, same as Crisp.

Curt (curtus, clipped, broken, shortened), short.

Cur´tain (cortina, a small croft, screen, etc.), same as cortina.

Cus´pidate (cuspidatus, pp. cuspidare, < cuspis, a point, spear), with a sharp spear-like point.

Cu´ticle (cuticula, dim. of cutis, the skin), a distinct skin-like layer; cutis, cuticle, pellicle and epidermis have been used indiscriminately to describe the separable or inseparable skin-like layer sometimes present on the outer surface of the pileus and stem; of these terms, cuticle is used most commonly.

Cu´tis. See Cuticle.

Cya´neous (cyaneus, dark blue), bright blue; azure; lapis-lazuli blue.

Cyano´sis (Gr—dark-blue, + osis), in pathology a blue or more or less livid color of the surface of the body, due to imperfect circulation and oxygenation of the blood.

Cy´athiform (cyathus, a cup; forma, form), cup-shaped, shape of a drinking glass slightly widened at the top.

Cylin´dric, Cylin´drical (cylindricus, cylinder), cylinder-shaped; applied to a branch or stem having the same or nearly the same diameter throughout, and its cross-section circular.

Cym´bæform, Cym´biform (cymba, a boat, + forma, shape), boat-shape.

Cyst (cystis, the bladder, bag, pouch), a bladder-like cell or cavity.

Cystid´ium (pl. Cystid´ia) (Gr—the bladder, + the dim. termination), sterile bladder cells of the hymenium, generally larger than the basidia cells between which and with which they are formed.

Dash, -, between two figures = to; from 2 to 4.

Daughter-cell, any cell when mentioned in relation to the one (mother-cell) from which it is derived.

Deal´bate (dealbatus, pp. of dealbare, whiten, white-wash, etc., < de + albare, whiten), as if white-washed; covered with very white opaque powder.

Decid´uous (deciduus, that falls down; < decidere, < de, down, + cedere, to fall), falling off at maturity or at the end of the season, not permanent; losing the foliage every year.

Decor´ticate, Decor´ticated (decorticatus, pp. of decorticare, < de, from, + cortex, bark), denuded of bark; destitute of a cortex or cortical layer.

Decum´bent (decumben(t-)s, ppr. of decumbere, lie down, < de, down, + cumbere, lie) applied to a stem having the lower part resting on the ground.

Decur´rent (decurren(t-)s, ppr. decurrere, run down), applied to lamellæ (gills) which are prolonged down the stem.

Decurved´ (decurve + ed, after decurvatus, curved back), curved downward; opposed to recurved.

Deflexed´ (deflexus, pp. deflectere, turn aside), bent or turned down.

Dehis´cence (dehiscen(t-)s, dehiscent), the spontaneous opening of a peridium at maturity to discharge the spores.

Dehis´cent (dehiscere, gape, open), a closed organ opening of itself at maturity or when it has attained a certain development.

Deliques´cent (deliquescere, melt away), relating to mushrooms which at maturity become liquid or melt down.

Delimita´tion (delimitare, mark out the limits, < de + limitare, limit, bound), the marking, fixing or prescribing the limits or boundaries.

Den´droid, Den´driform (Gr—a tree, + L.forma, form), tree-shaped.

Den´tate (dentatus, tooth), toothed with a concave serrature.

Dentic´ulate (denticulatus, < denticulus, a small tooth), finely dentate.

Denu´date (denudatus, pp. of denudare, make bare, strip), naked; exposed, not immersed.

Depressed´ (depressus, pp. of deprimere, < de, down, + premere, press), as if pressed down or flattened; sunk below the level of the surrounding margin.

Dermini, a group of fungi with brown or rust-colored spores.

Descend´ing (descindere, pp. descensus, come down, fall, < de, down, scandere, climb), applied to a marginal veil when, in the young stage, its marginal attachment is below the level of its stem-attachment; a ring formed from it is called superior; turned downward.

Des´iccate, Des´iccated (desiccatus, pp. of desiccare, dry up, < de, intensive, < siccare, dry), dried.

Deter´minate (determinatus, pp. determinare, fix, limit), ending definitely; having a distinctly defined outline.

Determina´tion (determinatio(n), boundary, conclusion, end, determinare, pp. determinatus, bound, determine), assignment to the proper place in a classification or series.

Diagno´sis (diagnosis, a distinguishing), scientific discrimination of any kind; a short distinctive description, as of a plant.

Diaph´anous (Gr—through, + to appear), of a transparent texture; permitting the passage of light.

Dichot´omous (Gr—in two, + to cut), dividing into two; regularly forked.

Dichot´omy (Gr—a cutting in two), a mode of branching by constant forking or dividing in pairs.

Did´ymous (Gr—double, twofold, twin), double; of two equal parts.

Differen´tiated (differentia, difference), exhibiting differentiation.

Differentia´tion (differentia, difference, + ation), (a) discrimination between by observing or describing the differences; (b) the evolutionary process or results by which originally different parts or organs become differentiated or specialized in either form or function; specialization.

Dif´fluent (diffluen(t-)s, ppr. of diffluere, < dis, away, apart, + fluere, flow), readily dissolving.

Dif´form, Difformed´ (deformis, deformed), irregular in form, not uniform.

Diffuse´ (diffusus, pp. of diffundere, pour in different directions, pour out, < dis, away, + fundere, flow), spreading widely, loosely and irregularly.

Dig´itate (digitatus, having fingers or toes, < digitus, finger), furnished with fingers; dividing like the fingers of the hand.

Dila´ted (dilatare, spread out; extend), expanded; enlarged.

Dimid´iate (dimidiatus, < dimidiare, halve), halved; e. g. of gills which reach halfway to the stem; also of pileus when it is semi-circular in outline or nearly so; as many Polyporei.

Dimor´phic, Dimor´phous (dimorphus, having two forms), existing in two distinct forms.

Dimor´phism (dimorphus, having two forms), the property of existing under two distinct forms.

Disc, Disk (discus, a disk, trencher), (a) any flat circular disk-like growth; (b) the central portion of the upper surface of a pileus; the cup-shaped or otherwise variously shaped hymenial surface of a Discomycete.

Dis´ciform, Dis´coid, Dis´coidal (discoides, disk-shaped), of a circular, flat form; disk-shaped.

Dis´cocarp (Gr—a disk, + Gr—fruit), ascocarp in which the hymenium or disk lies exposed while the asci are maturing as in Peziza, Morchella, etc.

Discomyce´tes (Gr—a disk, + Gr—fungus), a group of ascomycetous fungi in which the hymenium is exposed; the fruiting body is cupular, discoid or clavate, and sometimes convoluted.

Discrete´ (discretus, distinguished, separated), distinct, not coalescent.

Dissec´ted (dissectus, pp. of dissecare, cut asunder, < dis, asunder, + secare, cut), cut deeply into many lobes or divisions.

Dissep´iments (dissepimentum, a partition) dividing walls; partitions.

Dis´tal (dist(ance) + al), pertaining to the apex or outer extremity.

Dis´tant, (distans, ppr. distare, stand apart), far apart; of gills which have a wide distance between them.

Dis´tichous (Gr—having two rows), disposed in two rows.

Divar´icate (divaricatus, pp. divaricare, spread asunder), separating at an obtuse angle; diverging widely.

Dor´sal (dorsalis, < dorsum, the back), pertaining to the back, literally on the upper side.

Down, fine, soft pubescence.

E or Ex-, prefix signifying “destitute of,” “outside of,” or “away from.”

Ebe´neous (ebeneus, of ebony, < ebenus, ebony), black like ebony.

Ebur´neous (eburneus, of ivory, < ebur, ivory), ivory-white.

Eccen´tric (Gr—out of the center), excentric.

Ech´inate (echinatus, set with bristles, prickly), furnished with stiff bristles.

Echin´ulate (echinulus, dim. of echinus, a hedgehog), beset with short bristles.

Ecto- (Gr—without, outside), prefix signifying “outside.”

Ectobasid´ia (Gr—outside, + basidium), basidia placed on an exposed surface; not enclosed.

Eden´tate (edentatus, toothless, pp. of edentare, render toothless), without teeth.

Effused´ (effusus, pp. effundere, pour out), spread over without regular form.

Effu´so-Reflexed´, effused with upper margin reflected forming a pileus.

Egg (ovum, an egg), a young plant before rupture of the volva in Phalloids, Amanitas, etc.

Egutt´ulate, not containing guttulæ.

Ellip´soid (Gr—ellipse, + Gr—form), a solid figure all plane, sections of which are ellipses or circles.

Ellipsoi´dal, shaped like an ellipsoid.

Ellip´tic, Ellip´tical (Gr—ellipse), elongate-ovate; more than twice as long as broad; parallel-sided in the middle and rounded at both ends.

Emar´ginate (emarginatus, pp. emarginare, < e, out of; margo, the margin), notched at the end; of gills with a sudden scoop, as if scooped out at the point of attachment to the stem.

Embossed´, in botany projecting in the center like the boss or umbo of a round shield.

Em´bryo, the mushroom before leaving its volva, also an early stage of mushrooms which have no volva.

Encrust´ing (incrustare, cover with a rind or crust, < in, on, + crusta, a crust).

Endem´ic (Gr—native), peculiar to and characteristic of a locality or region; indigenous in some region and not elsewhere.

Endo-, Ento- (Gr—“in,” “within”), prefix signifying “within,” “inside.”

Endobasid´ia (Gr—within, + basidium), basidia enclosed in a dehiscent or indehiscent conceptacle.

Endocau´lous (Gr—within, + caulis, a stalk), growing in the substance of herbaceous stems.

En´dogen (Gr—within, + producing). See Monocotyledon.

Endog´enous (Gr—within, + Gr—producing, + ous), produced within another body; of or pertaining to the class of endogens.

Endoperid´ium (Gr—within, + peridium), inner layer of the peridium.

En´dophyte (Gr—within, + a plant), a plant growing within an animal or another plant, usually as a parasite; entophyte.

En´dospore, Endospo´rium (Gr—within, + Gr—seed), (a) the inner coat of a spore; (b) spore which is produced within a sporangium or spore-sac as the ascospores.

En´siform (ensis, a sword, + forma, shape), sword-shaped.

Entire´ (integer, < integrum, whole), the edge quite devoid of serrature or notch; continuous.

Entomog´enous (Gr—an insect, + produced), growing upon or in insects.

Entomoph´ytous (Gr—within, + grow), growing upon or in insects.

En´tophyte, endophyte.

Epider´mis (Gr—the outer skin), the external or outer layer of the plant.

Epig´enous (Gr—growing after or late), growing upon the surface of a part; often limited to growth upon the upper surface, in distinction from hypogenous.