Fal´cate, Fal´ciform (falcatus, bent, curved, hooked, sickle-shaped, < falx, a sickle), hooked, curved like a scythe or sickle.

Family (familia, household establishment, < famulus, a servant), a systematic group in a scientific classification embracing a greater or less number of genera which agree in certain characters not shared by others of the same order.

Farc´tate (farctus, < farcio, to stuff), stuffed; without vacuities; opposed to fistulose.

Farina´ceous (farinaceus, < farina, meal), mealy.

Far´inose (farinosus, mealy), covered with a white mealy powder.

Fas´cia (fascis, a bundle), a band or bar.

Fas´ciate, Fas´ciated (fascia, a band or girth), having broad parallel bands or stripes; banded or compacted together; exhibiting fasciation.

Fascia´tion (fascia, a band), the act or manner of binding with fasciæ, a monstrous flattened expansion of the stem; condition of being bound or compacted together.

Fas´cicle, Fascic´ulus (fasciculus, a small bundle; packet, etc.), a close cluster; a small bundle.

Fascic´ulate (fasciculus, a small bundle), growing in small bundles or fascicles.

Fastig´iate (fastigiatus, sloping, < fastigium, the top of a gable, slope), with branches erect and close together; sloping upward to a summit, point or edge.

Favose´ (favosus, < favus, a honey-comb), honey-combed; resembling a honey-comb.

Fawn-Color (cervinus, cervineus), a light warm-brown color.

Ferru´gineous, Ferru´ginous (ferrugineus), rust-red or the color of iron rust.

Fi´brillar, Fi´brillate, Fi´brillose, Fi´brillous (fibrilla, a fiber), appearing to be covered or composed of minute fibers.

Fi´brous (fibrosus, < fibra, a fiber), clothed with small fibers.

Fi´brous-Myce´lium, Fibrillose-Mycelium, elongated branching mycelial strands, formed by the union of hyphæ.

Fig´urate (figuratus, pp. figuare, < figura, a form, shape), of a certain determinate form or shape.

Fil´ament (filum, thread), a separate fiber or fibril of any animal or vegetable tissue, as a filament of silk, wool, etc.

Filamen´tous, like a thread; composed of threads or filaments.

Filamen´tous-Myce´lium, Floc´cose-Myce´lium, mycelium of free hyphæ which are at most loosely interwoven, but without forming bodies of definite shape and outline.

Fil´aceous, Fil´iform (filum, a thread, + aceous), like a thread or filament.

Fim´briate, Fim´briated (fimbriatus, < fimbriæ, a fringe), fringed; cut jaggedly.

Fis´sile (fissilis, cleft, < fissus, pp. findere, split), capable of being split, cleft or divided in layers.

Fis´sured (fissura, a cleft, chink, fissure), cleft or split.

Fis´tular, Fis´tulose (fistularis, like a pipe, < fistula, a pipe), tubular, hollow in the center like a pipe.

Fixed, said of lamellæ or spines not readily detached from the underlying tissue.

Flabel´late, Flabel´liform (flabellum, a fan), fan-shaped.

Flac´cid (flaccidus, flabby, pendulous), soft and limber; flabby; without firmness or elasticity.

Flaves´cent (flavescens, ppr. flavescere, become yellow, < flavus, yellow), yellowish or turning yellow.

Fla´vous (flavus, golden-yellow, reddish-yellow), yellow.

Flesh, inner substance of a fungus-body as distinguished from the cortical and hymenial layers.

Flesh-Color (carneus, incarnatus), a pinkish-color like that observable in the cheeks of a person of fair complexion; carnation.

Flesh´y, succulent; composed of juicy cellular tissue.

Flex´uose, Flex´uous (flexuosus, < flexus, a bending, winding), wavy.

Floc´ci (pl. of Floc´cus) (floccus, a lock of wool), woolly locks.

Floc´cose (floccosus, < floccus, a lock of wool), downy, woolly; composed of or bearing flocci.

Floc´culose (flocculosus, < flocculus, dim. of floccus, a lock of wool), covered with flocci; composed of or bearing minute flocci.

Folia´ceous (foliaceus, leafy, of leaves, < folium, a leaf), leaf-like; bearing leaves.

Fo´veate (foveatus, < fovea, a small pit, pitfall), marked with pits or depressions.

Fov´eolate (foveolatus, < foveola, dim. of fovea, a small pit), marked with minute pits or depressions.

Free, said of gills which are not attached to the stem; said of any part not attached to another; of spores not inclosed in a special envelope.

Frill, same as Armilla.

Front, same as Anterior.

Fringe (fimbria, a border), a lacerated, marginal membrane.

Fruc´tification (fructificare, bear fruit), reproducing power of a plant; fruiting; also the organs concerned.

Fuga´cious (fugar, < fugere, flee), fleeting, transitory; falling or fading early.

Fu´gitive (fugitivus, fleeing away; a fugitive), quickly disappearing; evanescent.

Fuligin´eous, Fulig´inous (fuliginosus), sooty-brown or dark smoke-color.

Fulves´cent (fulvescens), inclining to a fulvous color.

Ful’vous (fulvus), a rather indefinite brownish-yellow or yellowish-brown tint, like tanned leather; tawny.

Fu´mose, Fu´mous (fumosus, full of smoke, < fumus, smoke, steam), smoke-colored, fuliginous.

Fun´goid (fungus, mushroom, + Gr—form), of, or pertaining to fungi.

Fungol´ogy (fungus, mushroom, + Gr—speak), mycology.

Fun´gus (pl. Fun´gi) (fungus, a mushroom), a thallophyte characterized by the absence of chlorophyl and deriving its sustenance from living or dead organic matter.

Funic´ular (funiculus, a small cord), having the character of a funicle or small cord.

Funic´ulate (funiculus, a small cord), having a funicle.

Funic´ulus (L.—a small rope), in Nidulariaceæ the cord of hyphæ attaching a peridiolum to the inner wall of the peridium.

Fur´cate (furcatus, < furca, a fork), forked.

Furfura´ceous (furfuraceus, < furfur, bran), with branny scales or scurf.

Fusces´cent (fuscus, dark, dusky, + escent), somewhat fuscous.

Fus´cous (fuscus, dusky), brownish in color; brown or brown tinged with gray; dingy, not pure.

Fu´siform, Fu´soid (fusus, a spindle; forma, form), spindle-shaped.

Gamogen´esis (Gr—marriage, + generation), sexual reproduction.

Gas´teromyce´tes, Gas´tromyce´tes (Gr—stomach, + mushroom), a group of Basidiomycetes in which the hymenium is enclosed in a sack-like envelope called the peridium.

Gelat´inous (gelatinosus, < gelatina, gelatine), jelly-like.

Gener´ic (genus, race, sort), pertaining to, of the nature of, or forming a mark of a genus; having the rank or classificatory value of a genus.

Genet´ic (Gr—generation), of or pertaining to origin or mode of production.

Ge´nus (pl. Gen´era) (L.—race, birth, origin, kind), a group of species having one or more characteristics in common; the union of several genera presenting the same features constitute a tribe.

Gib´bous (gibbus, hump-backed), in the form of a swelling; of a pileus e. g. which is more convex or tumid on one side than the other.

Gills, the plates of an agaric on which the hymenium is situated; the lamellæ.

Gil´vous, isabelline; color of sole-leather.

Gla´brous (glaber, smooth), smooth, devoid of pubescence; a surface may be glabrous or smooth, and not even, or vice versa.

Glair (clarus, clear), any viscous transparent substance resembling white of an egg.

Glands, Glan´dules (glans, an acorn, dim. glandula, a gland), moist or sticky dots resembling the glands on the epidermis of phenogams.

Glan´dular, bearing glands.

Glauces´cent (glaucescen(t-)s, < glaucus, silvery, gleaming), inclining to glaucous.

Glau´cous (glaucus, silvery, gleaming), covered with a whitish-green bloom or very fine white powder easily rubbed off. Somewhat like that of cabbage.

Gle´ba (gleba, a clod), in Gastromycetes, spore-bearing tissue composed of chambers lined with the hymenium and enclosed by the sack-like peridium, as in puff-balls, etc.; in phalloids the peridium or volva ruptures and the gleba is carried up on the stem-like or clathrate receptacle.

Glo´bose, Glob´ular, Glob´ulose (globosus, round as a ball), nearly spherical.

Glu´tinose, Glu´tinous (glutinosus, gluey, viscous, < gluten, glue), covered with a sticky exudation; viscous; glue-like.

Gonid´ium (Gr—generation; seed), same as conidium; also preferably applied to the algal element of lichens.

Gran´ular, Gran´ulate, Gran´ulose (granula, dim. of granum, grain), covered with or composed of granules.

Gran´ule (granula, dim. of granum, grain), a little grain; a fine particle; a sporule found in all cryptogamic plants.

Gray (griseus; cæsius; cinereus; canus; leucophæus), a color produced by the mixture of black and white. Various shades depending upon varying relative proportions of the components.

Greaved (greve, the shin-bone), of a stem clothed like a leg in armor.

Grega´rious (gregarius, of a flock), of mushrooms not solitary but growing together in numbers in the same locality; in groups but not in a tufted manner.

Gru´mous (grumosus, < grumus, a little heap), clotted; of flesh e. g. composed of little clustered grains.

Gut´tate (guttatus, < gutta, a tear), marked with tear-like spots or drops.

Gutt´ula (pl. Guttulæ) (dim. of gutta, a drop), a small drop or drop-like particle; the oil-globule in some spores resembling a nucleus.

Gutt´ulate, finely guttate; also, containing or composed of fine drops or drop-like particles; said of spores containing an oily nucleus-like globule or guttula.

Gymnocar´pous (Gr—naked, Gr—fruit), having the hymenium exposed when the spores are maturing.

Gy´rate, Gy´rose (Gr—a circle), circling in wavy folds; having folds resembling the convolutions of the brain.

Hab´itat (habitat, it dwells), natural abode of a vegetable species.

Hausto´rium (pl. Hausto´ria) (haustor, a drawer, < haurire, pp. haustus, draw), special branch of filamentous mycelium, which serves as an organ of adhesion and suction.

Hemiangiocar´pous (hemi, half, + Gr—a vessel, a case), partly angiocarpous as those agarics where the hymenium is at first enclosed by a veil or otherwise and later becomes exposed.

Hepat´ic (hepaticus, of the liver), pertaining to the liver, hence liver-colored; brownish-red.

Herbic´olous, growing on herbaceous plants.

Heteroge´neous (Gr—one of two), of a structure which is different from adjacent ones.

Hibernac´ulum (pl. Hibernac´ula) (winter residence, < hibernare, pass the winter), applied to bodies which are the forms in which certain fungi (e. g. Typhulæ) pass the winter.

Hirsute´ (hirsutus, rough, shaggy, bristly), hairy with stiff hairs.

Hir´to-Ver´rucose, bearing hairs grouped in wart-like masses.

His´pid (hispidus, rough, shaggy, bristly), having strong hairs or bristles; bristly.

Hoar´y, covered with short dense grayish-white hairs; canescent.

Holo-, (Gr—entire, complete in all parts), a prefix signifying entire; whole.

Homoge´neous (Gr—one and the same, + kind), similar in structure; of the same character.

Host, the name given to any plant or animal supporting a parasitic fungus.

Homol´ogous (Gr—agreeing, correspondent), having the same relative position, proportion, value or structure; having correspondence or likeness.

Hu´mus (earth, ground, soil), vegetable mold; woody fiber in a state of decay.

Hy´aline (Gr—clear), colorless; transparent; clear like glass.

Hygromet´ric (Gr—wet, moist, + a measure, + ic), readily absorbing and retaining moisture.

Hygroph´anous (Gr—moist; Gr—to show), of a watery appearance when moist and opaque when dry.

Hygroscop´ic, having the property of absorbing moisture from the atmosphere; sensitive to moisture.

Hyme´nium (hymenial, belonging to the hymenium; Gr—a membrane), the fruit-bearing surface; e. g. covering intimately each side of the gills of an Agaric.

Hy´menomyce´tes (Gr—a mushroom, + Gr—a membrane), a group of Basidiomycetes having the hymenium on the free, exposed surface of the sporophore.

Hy´menophore, Hymenoph´orum (Gr—a membrane, + to bear), the structure which bears the hymenium; in Agarics e. g. the under surface of the pileus to which the gills are attached.

Hy´pha (pl. Hy´phæ), the elementary filament or thread of a fungus; a cylindric thread-like branched body developing by apical growth, and usually becoming transversely septate.

Hy´phal, of or pertaining to the hypha.

Hypocrater´iform (Gr—the stand of a crater, + forma, form), having the shape of a cylindrical cup the margin of which turns outward; salver-shaped.

Hypogæ´ous, Hypoge´al, Hypoge´ous (hypogæous, underground), subterranean; forming below the surface of the ground.

Hypog´enous (Gr—under, + produced, + ous), growing on the under surface.

Hypophyl´lous (foltum, a leaf, + ous), growing on the under side of a leaf.

Hypothe´cium (Gr—under, a case), layer of hyphal tissue immediately beneath a hymenium.

Identification, the determination of a genus and species to which a given specimen belongs.

Im´bricate, Im´bricated (imbricatus, pp. of imbricare, cover with gutter tiles; form like a gutter tile), to lay or lap one over another, like shingles.

Immar´ginate (in, negative; marginatus, marginate), without a well-defined margin.

Immersed´ (immersus, pp. of immergere, dip or plunge into), sunk into the matrix; originating beneath the surface of the matrix or of the ground; growing wholly under water.

Imper´forate (in, not, + perforatus, pp. of perforare, perforate), without any aperture.

Incanes´cent (incanescen(t-)s, ppr. of incanescere, become gray or hoary), somewhat or slightly canescent.

Incar´nate (in, in, on, + caro (carn), flesh), flesh-colored.

Incised´ (incisus, pp. incindere, cut into), appearing as if cut into; having marginal slits or notches.

Incras´sated (incrassatus, pp. of incrassare, < in, in; crassare, make thick), becoming thicker by degrees, swelling or swollen.

Incrus´ting (incrustare, cover with a rind or crust, < in, on, + crusta, a crust), forming a crust-like coating.

Indehis´cent, applied to a peridium which does not open spontaneously at maturity; the spores within it becoming freed by its decay.

Indif´ferent, primitive, homogenous, not developed into parts or organs of different structure or function.

Indig´enous (indigena, a native), native of a country.

Indigo Blue, a dark blue-color like the indigo of commerce.

In´durated (induratus, pp. of indurare, harden, < in, in, + durare, harden), hardened.

Indu´sium (L.—a tunic, < induere, put on), in certain phalloids, an appendage or veil hanging from the apex of the stem beneath the pileus.

Infe´rior (inferior, lower), growing below some other part; of the ring of an Agaric which is far down on the stem.

Infla´ted, swollen like a bladder.

Inflexed´ (inflexus, pp. inflexere, bent), bent inward.

Infundib´uliform (infundibulum, a funnel; forma, form), funnel-shaped.

Inhibit´ion (inhibitio(n-), a restraining, < inhibere, restrain), the lowering of the action of a nervous mechanism by nervous impulses reaching it from a connected mechanism.

In´nate (innatus, pp. of innasci, < in, into; nascor, to be born), originating within the substance of the plant or matrix; appearing to be within or blending with the substance of a part.

Inorgan´ic, not produced by vital processes; not organic.

Isabella Color (alutaceus), a light grayish-cinnamon color, or light buff-brown.

Inser´ted (insertus, pp. inserere, to insert), growing like a graft from its stock; attached to or growing out of some other part.

Insiti´tious (insitio, an ingrafting, < inserere, pp. insitus, sow or plant, ingraft), inserted.

Inter- (L.—in the midst, between, among, during), prefix signifying “between” or “among” or “during.”

Inter´calary, Inter´calated (intercalatus, pp. of intercalare, < inter, between, + calare, call), interposed; inserted between.

Intercell´ular (inter, between, + cellula, cellule, + ar), situated between the cells.

Interrupt´ed, said of any surface or series the continuity of which is broken.

Inter´stices, spaces between any surfaces or things.

Intra- (intra, within), prefix signifying “within.”

Intracell´ular, situated within a cell or cells.

Intralam´ellar, situated within or between the plates of the lamellæ (gills).

Intravenal (intra, within, + vena, vein), situated or occurring within veins.

Introduced´, applied to plants brought from another country and growing spontaneously.

Intumes´cent (intumescens, ppr. of intumescere, swell up), swelling up, becoming tumid.

Invag´inated (in, in, + vagina, a sheath), sheathed.

In´volute (involutus, pp. involvere, to roll up), rolled inwards.

Isabel´line, of the color of soiled linen or sole leather; alutaceous; brownish-yellow, yellowish-gray.

La´biate (labiatus, lipped, < labium, lip), said of an aperture with distinct lip-like borders.

Labyrin´thine, Labyrin´thiform (labyrinthus, labyrinth), characterized by intricate and sinuous lines; like a labyrinth.

Lac´cate (laccatus, < lacca, lac), as if varnished or covered with a coat like sealing wax.

Lac´erate, Lac´erated, as if torn.

Lacin´iate (laciniatus, < lacinia, a lappet), divided into flaps; irregularly cut into jagged edges, more regular and larger than fimbriate.

Lactes´cent (lactescere, turn to milk), milk-bearing, provided with a milky juice.

Lacu´na (pl. Lacu´næ) (lacuna, a pit, hollow, cavity, etc.), a pit or hollow, a gap; a vacancy caused by the admission, loss or obliteration of something necessary to continuity or completeness.

Lacu´nose, Lacu´nous (lacunosus, full of hollows, < lacuna, a pit), marked with small hollows, pitted; having or full of lac.

Lamel´la (pl. Lamel´læ) (lamella, a thin piece of metal, wood), a gill or gills of mushrooms, on which the hymenium is extended.

La´nate (lanatus, woolly, < lana, wool), woolly; covered with a wool-like pubescence.

Lan´ceolate (lanceolatus, < lanceola, a little spear), lance-shaped; tapering to both ends.

Lat´eral, attached to or by one side.

Lateric´eous, Laterit´ious (latericeus, lateritius, consisting of bricks, < later, a brick), brick-colored.

La´tex (latex, liquid; ferre, bear), thick milky juice.

Laticif´erous (latex, liquid, + ferre, bear), applied to the tubes containing latex, as in the Lactarii.

Lat´ticed, formed by interlacing and crossing lines or columns which leave open spaces between.

Lavender (lavendulaceus), a very pale purplish color, paler and more delicate than lilac.

Lax (laxus, loose, slack), not compact, limber, flaccid.

Lead-Color (plumbeus), same as Plumbeous.

Lemon-Yellow (citreus, citrinus), a very pure light-yellow color, much like gamboge, but purer and richer.

Lentic´ular, Len´tiform (lenticularis, lentil-shaped, < lenticula, a lentil), shaped like a double convex lens; lentil-shaped.

Lep´idote (Gr—scaly), scurfy with minute scales.

Leucos´poræ (Gr—white; Gr—seed), a group of fungi having white spores, hence leucospore, a white spore; leucosporous, having spores of a white color.

Lev´igate (levigatus, pp. of levigare, make smooth), having a polished surface.

Lig´natile (lignatilis, < lignum, wood), growing on wood.

Lig´neous (ligneus, wooden), of woody texture.

Lig´ulate (ligula, a tongue, strap, etc., + ate), strap-shaped, flattened like a strap.

Lilac, Lilaceous (lilacinus, lilaceus), a light-purple color, like the flowers of the lilac.

Lin´ear (linearis, < linea, a line), narrow and straight, slender.

Ling´uiform, Ling´ulate (lingua, tongue), tongue-shaped.

Livid (lividus, black-and-blue), bluish-black, like the black and blue of a bruise.

Lobed, Lo´bate (Gr—the lobe of an ear), having divisions which are large and rounded.

Lob´ulate, having small lobes.

Loc´ular, Loc´ulate, Loc´ulose, Loc´ulous (loculus, a box, cell), divided by internal partitions into loculi or cells.

Loc´ulus (pl. Loc´uli), a little chamber or cell.

Lu´cid (lucidus, light, bright, clear), clear, transparent, bright.

Lu´men (lumen, a window-light), the internal cavity or spaces in a cell or any tubular organ.

Lu´rid (luridus, pale-yellow, wan, etc.), a color between purple, yellow and gray; livid.

Lu´teous (luteus), yellowish; more or less like buff or clay color.

Lutes´cent (lutescen(t-)s, ppr. of lutescere, turn to mud, < lutum, mud), yellowish.

Macro- (Gr—long), in composition “large” or “long.”

Mac´ulate, Mac´ular, Mac´ulose (maculatus, pp. of maculare, spot, speckle), spotted.

Mam´miform (mamma, a breast; forma, form), breast-shaped; mastoid; teat-like.

Mar´ginal Veil, a horizontal membrane extending from the margin of the pileus to the stem; found in Hymenomycetes.

Mar´ginate, having a well-defined border.

Maroon (atro-purpureus, atro-coccineus), a rich brownish-crimson, nearly like the pigment called purple madder; claret color.

Ma´trix (matrix, a womb), the substance upon or in which a fungus grows.

Mauve (malvaceus, malvinus), a light tint of violet. (Aniline violet + white.)

Medial (medialis, < medius, the middle), applied to ring when situated about at the middle of stem.

Medul´la (medulla, marrow, pith, kernel, < medius, middle), pith, marrow, kernel; inner substance as distinguished from outer or cortical layer or layers.

Med´ullary, composed of or pertaining to a medulla.

Mega- (Gr—great, large), prefix signifying “great.”

Melanos´poræ (Gr—black, —seed), a group of fungi having black spores.

Membrana´ceous (membranaceus, of skin or membrane, < membrana, skin, membrane), pertaining to, or of the nature of, skin, membrane; membranaceous; thin, rather soft and pliable.

Meris´moid (merisma, from Gr—to divide, + —form), applied to pileus which is subdivided into many smaller pilei; resembling a Merisma; having a branched or laciniate pileus.

Mes´opod (Gr—middle, + —foot), plant having a central stem.

Mica´ceous (micaceus, < mica, mica), covered with glistening mica-like particles.

Mi´cron, Mi´kron, [Greek: m];, microscopic unit of measure; ¹⁄₁₀₀₀ of a millimeter; nearly .00004 inch; to convert inches to microns, approximately, divide by .00004; represented by the Greek letter [Greek: m], following the number.

Millimeter, MM. (mille, a thousand, + meter), the thousandth part of a meter, equal to 0.03937 inch or nearly, ¹⁄₂₅ inch. It is denoted by mm., as 25.4 mm. is 1 inch.

Min´iate (miniatus, pp. of miniare, color with red lead, < minium, red lead), vermilion-colored; of a bright, vivid red color.

Mi´trate, Mit´riform (mitra, a miter), miter-shaped, bonnet-shaped.

Mold, Mould, fine soft earth; a general term to describe certain fungus growths of a low type.

Monil´iform (monile, necklace; forma, form), contracted at intervals in the length like a string of beads.

Monos´tichous (Gr—single, + —a line), arranged in one row.

Mon´strous, of unnatural formation; deviating greatly from the natural form or structure (has no reference to size).

Morpholog´ic, Morpholog´ical, of or pertaining to morphology.

Morphol´ogy (Gr—form, + —speak), the science of organic form; the science of of outer form and internal structure.

Mother-Cell, a cell from which another is derived.

Mouse-Gray (murino-griseus; murinus). (Lamp-black + white + sepia.)

Mov´able, applied to a ring which has separated from the stem and can be moved up and down.

Muced´inous (mucedo, mucus), having the character of or resembling mold or mildew.

Mu´cid (mucidus, moldy, < mucere, be moldy or musty, < mucus, mucus), musty, moldy, slimy.

Mucilag´inous (mucilago, a moldy, musty juice, + ous), slimy, ropy, slightly viscid, soft, moist.

Mu´cous (mucosus, slimy, < mucus, slime), pertaining to mucus, or resembling it; slimy, ropy, lubricous.

Mu´cro (L.—a sharp point, esp. of a sword), a short and abrupt point of a leaf or other organ.

Mu´cronate (mucronatus, pointed, < mucro, a sharp point), tipped with an abrupt, sharp short point.

Multi- (multus, much, many), in composition “many.”

Mul´tifid (multifidus, many-cleft), having many divisions.

Multipar´tite (multipartitus, much divided), divided into many parts.

Multisep´tate (as if multiseptatus, < multus, many, + septum, a partition), divided by many partitions.

Mu´ricate (muricatus, pointed), rough with short hard points.

Muric´ulate (muriculatus, dim. of muricatus, pointed), finely muricate.

Mu´riform (murus, wall, + forma, shape), resembling the arrangement of the bricks in the walls of a house; said of spores having septa at right angles to each other.

Mu´rine, Mu´rinous (murinus, of a mouse), mouse-colored.

Mush´room, a cryptogamic plant of the class fungi: applied in a general sense to almost any of the larger, conspicuous fungi, such as toadstools, puff-balls, hydnei, etc., but more particularly to the agaricoid fungi and especially to the edible forms.

Mu´tualism, symbiosis of two organisms living together and mutually helping and supporting each other.

Myc, Mycet, Myceto, Myco, prefix signifying “fungus.”

Myce´lial, of or pertaining to mycelium.

Myce´lium (Gr—a fungus, + an excrescence), spawn of fungi resulting from the germination of spores; in agarics e. g. forming root-like threads; the weft of threads from which the mushroom arises.

Myce´lioid, like mycelium.

Myc´eloid, like a fungus.

Mycetol´ogy (Gr—a fungus, + —speak), mycology.

Mycolog´ical, relating to fungi.

Mycol´ogist, one who is versed in mycology.

Mycol´ogy (Gr—a fungus, + —speak), the science of fungi, their structure, classification, etc.

Mycoph´agist, one who eats fungi.

Mycoph´agy (Gr—a fungus, + —eat), the eating of fungi.

Na´ked, bare; without covering of any kind, as of an enveloping membrane, pruinose, farinaceous or furfuraceous particles, tomentum, fragments of volva or veil, etc.

Nap´iform (napus, a turnip, + forma, form), turnip-shaped.

Narrow, of a very slight vertical width.

Nas´cent (nascen(t)s, ppr. of nasci, be born), in the earliest rudimentary condition; beginning to exist or to grow.

Nat´uralized, said of a plant of foreign origin which thrives as if indigenous.

Navic´ular, Naviculoid (navicula, a small ship or boat), boat-shaped; scaphoid.

Netted, covered with projecting, reticulated lines.

Nigres´cent, Nig´ricant (nigrescen(t-)s, ppr. of nigrescere, become black, grow dark), becoming black, also blackish, dusky, fuscous.

Nit´id, Nit´idus (nitidus, shining, bright, < nitere, to shine), lustrous, shining, polished.

Ni´veous (niveus, snowy, < nix, snow), snow-white.

Nod´ule (nodulus, a little knot, dim. of nodus, a knot), a little knot or lump.

Nod´ulose, Nod´ulous (nodulosus, < nodulus, a little knot), having little swellings, knotty.

Non-, not; prefix giving a negative sense to words.

Nu´cleate, Nu´cleated (nucleatus, having a kernel), having a nucleus or nuclei.

Nucle´olus (pl. Nuclei) (nucleolus, dim. of nucleus, a little nut), sharply defined point often seen in the nucleus.

Nu´cleus (pl. Nu´clei) (nucleus, a little nut, kernel, stone of a fruit); the central, highly differentiated mass of protoplasm in a spore or other cells of a fungus, controlling cell division and reproduction, functionally the most important portion of a cell, for in it the process of cell division begins; sometimes improperly applied to the oil globules or guttulæ and the vacuoles within some spores.

Ob-, in composition “inversely.”

Obcla´vate (as if obclavatus, < ob, from; clava, a club), inversely club-shaped.

Obcon´ic, Obcon´ical (ob; conus, a cone), inversely conical.

Obcor´date (ob; cordatus, heart-shaped), like an inverted heart.

Obese´ (obesus, fat), stout, plump.

Ob´ligate-Parasite, can only grow as a parasite; see facultative parasite.