. A manual of botany. Botany. 274 MANUAL OP BOTANY (b) The Dicotyledonous Embryo.—These embryos vary very much in form : most frequently they are more or less oval, as in the Bean and Almond (fig. 594), where the embryo con- sists of two nearly equal cotyledons, c, between which is en- closed a small axis or ligeJluvi, t, the upper part of which, g, is the plumule, and the lower, r, the radicle. The tigellum upon germination appears as a little stalk, supporting the cotyledons, and hence it is also termed the hypocotyledonary axis, or hypocotyl. In by far the majority of cases the two cotyledo
. A manual of botany. Botany. 274 MANUAL OP BOTANY (b) The Dicotyledonous Embryo.—These embryos vary very much in form : most frequently they are more or less oval, as in the Bean and Almond (fig. 594), where the embryo con- sists of two nearly equal cotyledons, c, between which is en- closed a small axis or ligeJluvi, t, the upper part of which, g, is the plumule, and the lower, r, the radicle. The tigellum upon germination appears as a little stalk, supporting the cotyledons, and hence it is also termed the hypocotyledonary axis, or hypocotyl. In by far the majority of cases the two cotyledons are nearly of equal size, as in the Pea {fig. 16, c, c), but in some embryos, as in Trajpa, some Hircaas, &c. (fig. 595, c', c), they are very Fig. 594. -Fig. 597. FlC4. FiGt. 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 Green, J. Reynolds (Joseph Reynolds), 1848-1914. London, J. & A. Churchill
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