. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. cot. • Fig. 117. Fig. 118. Fig. 117.—Seed and stages in germination of white bear (JPhaseolus vulgaris). with hilum; B, seed deprived of its coats. C, early stage of germination; ,D, laterstage show epigeal cotyledons; epicotyl, hypocotyl and first foliage leaves; r = radicle;h = hypocotyl; e = epicotyl; cot = cotyledon; Iv = first true leaves; p = plumule. Fig. 118.—Homemade seed tester. A, closed: B, open. (After Brown, Edgar andHillman, F. H.: Seed of Red Ck>ver an
. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. cot. • Fig. 117. Fig. 118. Fig. 117.—Seed and stages in germination of white bear (JPhaseolus vulgaris). with hilum; B, seed deprived of its coats. C, early stage of germination; ,D, laterstage show epigeal cotyledons; epicotyl, hypocotyl and first foliage leaves; r = radicle;h = hypocotyl; e = epicotyl; cot = cotyledon; Iv = first true leaves; p = plumule. Fig. 118.—Homemade seed tester. A, closed: B, open. (After Brown, Edgar andHillman, F. H.: Seed of Red Ck>ver and its Impurities. Farmers Bulletin 260, 1906, p. 8.) Oats, tall oat grass, canary gras?^ maize, meadow fescue and ray grasses—five days. Red top, sainfoin, beet, carrot (Fig. 119) and others—six days. Meadow foxtail, yellow oat grass, sweet vernal grass, peas, orchardgrass—seven days. The volume-weight is obtained by weighing in the air the contentsof a standard measure, such as, the bushel, or the hectoUtre. Thisweight is more or less influenced by the shape and size of the seeds whichpermit them to form
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Keywords: ., book, bookcentury1900, bookdecade1920, booksubjectpoisonousplants
