☞ If not familiar with the decimal scale used in recording measurements in this volume, the reader can clip out one of those found below and use it for measuring.
Added descriptive title to all illustrations, as original had only a figure number.
Use the first phrase to find the change.
'a dollar is almost indispensable in'
Changed 'indispensible' to 'indispensable'.
'they annoy the gardner.'
'gardner' may be 'gardener'. Unchanged.
'enormous number of weeds.'
'weeds' may be 'seeds'. Unchanged.
'three obscure longitudinal'
Changed 'obcure' to 'obscure'.
'Urtica gracilis'
Changed 'Utrica' to 'Urtica'.
'Polygonum Convolvulus'
Changed 'Concolvulus' to 'Convolvulus'.
'elliptical to obovoid,'
Changed 'ellipical' to 'elliptical'.
'base obtuse or bearing'
Changed 'abtuse' to 'obtuse'.
'Rumex Acetosella'
Changed 'Rumux' to 'Rumex'.
Changed 'Actosella' to 'Acetosella'.
'faintly evident radiating striation'
Changed 'striatian' to 'striation'.
'one side a groove leads to near'
Changed 'grove' to 'groove'.
'Chenopodium hybridum'
Changed 'hybrium' to 'hybridum'.
'Acnida tuberculata'
Changed 'tubercalala' to 'tuberculata'.
'Purslane. Pussley.'
Changed 'Purselane' to 'Purslane'.
'nearly circular, each side covered with 5-6 curved rows of tubercles,
giving the appearance of having the two extremities bent together,'
These two lines were reversed in original.
'in outline, hem-like margin,'
Changed 'hemlike-like' to 'hem-like'.
'scar (hilum) is a whitish,'
Changed 'whittish' to 'whitish'.
'Lepidium Draba'
Changed 'Lepidum' to 'Lepidium'.
'slightly anatropous,'
Changed 'anatroupous' to 'anatropous'.
'Agrimonia gryposepala'
Changed 'cryposepala' to 'gryposepala'.
'long by 1.×1.4 mm. wide.'
'1.×1.4 mm.' maybe '1.-1.4 mm.'. Unchanged.
'are half anatropous'
Changed 'anathropous' to 'anatropous'.
'verticle line (raphe)'
'verticle' may be 'vertical'. Unchanged.
'ST. JOHN'S-WORT FAMILY. HYPERICACEAE.'
'HYPEPICACEAE' changed to 'HYPERICACEAE'.
'Convolvulus arvensis'
Changed 'Convolvoulus' to 'Convolvulus'.
'four hard, conical-ovoid'
Changed 'connical' to 'conical'.
'long, bordered by a narrow margin,'
Changed 'bordred' to 'bordered'.
'convex having dark verticle lines,'
'verticle' may be 'vertical'. Unchanged.
'dull, yellowish to light brown,'
'grown' changed to 'brown'.
'.5-1 mm. long, columnar,'
Changed 'colummar' to 'columnar'.
'Purslane Speedwell'
Changed 'Purselane' to 'Purslane'.
'with certainty by means of'
Changed 'certainity' to 'certainty'.
'oval to broadly obovate,'
Changed 'obvate' to 'obovate'.
'shape, oval, oblong, rhomboidal'
Changed 'rhombodial' to 'rhomboidal'.
'Chickory. Chichorium Intybus'
'Chicory' and 'Cichorium' are the generally accepted spellings today. Unchanged.
'Leptilon Canadense'
Changed 'Leptiton' to 'Leptilon'.
'extremities truncate,'
Changed 'extremeties' to 'extremities'.
'brown, straight or curved,'
Changed 'stright' to 'straight'.
'Iva xanthiifolia'
May be 'xanthifolia'. Unchanged.
'or rhombic in section,'
Changed 'rhombicin' to 'rhombic in'.
'Leontodon autumnalis'
Changed 'autunalis' to 'autumnalis'.
'spreading by roots-stalks'
'root-stocks' and 'roots-stalks' used interchangeably. Unchanged.
'Introduced in Europe.'
May be 'Introduced from Europe.' Unchanged.
'Taraxacum Taraxacum'
Changed 'Taraxacum Taraxicum' to 'Taraxacum Taraxacum'.
'faces, extending along'
Changed 'exending' to 'extending'.
'ending in a prolonged tapering point.'
Changed 'prolonge' to 'prolonged'.
'Clover dodder, 151'
Changed '51' to '151'.
'Lithospermum,'
Changed 'Lithospernum' to 'Lithospermum'.
'Hoary alyssum,'
Changed 'allyssum' to 'alyssum'.
'lanceolate in form,'
Changed 'laceolate' to 'lanceolate'.
'Ox-eye daisy,'
Changed 'daisey' to 'daisy'.
Tall mustard, 137
Changed '237' to '137'.