. A manual of the medical botany of North America [microform]. Botany, Medical; Botany; Botanique médicale; Botanique. Fio. 77.—VertlcBl Bcction of an ovule before fui'tilizntiim. ^nilieil. Flo. 7S.—Vortical Hec'ioii of an orule fortlH- zatiun, wilh pollen-lube in situ. MngniHed. the pistillate kind, and hence naturally fertile, bear flowers year after year without producing fruit, much to the bewilderment of their owners. The cause is not far to seek. Such plants are remote from individuals pro- ducing staminate flowers, and must o* necessity remain barren until this fault be remedi

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. A manual of the medical botany of North America [microform]. Botany, Medical; Botany; Botanique médicale; Botanique. Fio. 77.—VertlcBl Bcction of an ovule before fui'tilizntiim. ^nilieil. Flo. 7S.—Vortical Hec'ioii of an orule fortlH- zatiun, wilh pollen-lube in situ. MngniHed. the pistillate kind, and hence naturally fertile, bear flowers year after year without producing fruit, much to the bewilderment of their owners. The cause is not far to seek. Such plants are remote from individuals pro- ducing staminate flowers, and must o* necessity remain barren until this fault be remedied. Another point of interest in this connection is the production of hybrids, by the crossing of related species or 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 Johnson, Laurence, 1845-1893. New York : W. Wood

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Keywords: ., boo, bookcentury1800, booksubjectbotany, booksubjectbotanymedical