. The botany of crop plants : a text and reference book. Botany, Economic. ZEA 167 flowers, the lower one of which is abortive^ (Figs. 62 and 63). The palet and lemma of the abortive flower remain, and form a part of the "chaff" on the cob. The spikelet is subtended. Fig. 63.—Longitudinal section of pistillate spikelet of Black Mexican sweet corn, X 25. Sti, base of stigma; Siy, style; E, outline of embryo sac; L, lemma; Pa, palet; St, stamen of aborted flower; Sc, stylar canal; Ov, func- tional ovule; G, glume; Sta, rudimentary stamen; P, pistil of aborted flower; J, joint of rachil
. The botany of crop plants : a text and reference book. Botany, Economic. ZEA 167 flowers, the lower one of which is abortive^ (Figs. 62 and 63). The palet and lemma of the abortive flower remain, and form a part of the "chaff" on the cob. The spikelet is subtended. Fig. 63.—Longitudinal section of pistillate spikelet of Black Mexican sweet corn, X 25. Sti, base of stigma; Siy, style; E, outline of embryo sac; L, lemma; Pa, palet; St, stamen of aborted flower; Sc, stylar canal; Ov, func- tional ovule; G, glume; Sta, rudimentary stamen; P, pistil of aborted flower; J, joint of rachilla. (After Weatherwax.) by two glumes that are shorter than the ovary, very broad and fleshy at the base, thin membranous above and fringed ' Stewart has noted, in the Country Gentleman variety of corn, that some spikelets bear two well-developed flowers inside each pair of glumes. He further points out that the irregularity in the arrangement of grains on the ear may be due to the development of the second flower in some of the spike- lets, which tends to throw some of the grains out of line. The same has been noted by Sturtevant and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Robbins, Wilfred William, 1884-1952. Philadelphia : P. Blakiston's Son
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
