. The elements of botany for beginners and for schools. Botany. seems to proceed from a solid bulb-like mass. This is the case in a horse-chestnut. 30. Germinating Embryo supplied by its own Store of Nourishment, i. e. the store in tlie cotyledons. This is so in all the illustrations thus far, essentially so even in the Tlax. This nourishment was supplied by the mother plant to the ovule and seed, and thence taken into the embryo during its growth. Such embryos, filling the whole seed, are comparatively large and strong, and vigorous in germination in proportion to the amount of their growth w
. The elements of botany for beginners and for schools. Botany. seems to proceed from a solid bulb-like mass. This is the case in a horse-chestnut. 30. Germinating Embryo supplied by its own Store of Nourishment, i. e. the store in tlie cotyledons. This is so in all the illustrations thus far, essentially so even in the Tlax. This nourishment was supplied by the mother plant to the ovule and seed, and thence taken into the embryo during its growth. Such embryos, filling the whole seed, are comparatively large and strong, and vigorous in germination in proportion to the amount of their growth while connected with the parent plant. 31. Germinating Embryo supplied from a Deposit outside of It- self. This is as common as the other mode; and it occurs in all degrees. Fig. 36. Half of an acorn, cut lengthwise, filled by the very thick cotyledons, the base of which encloses the minute caulicle. 37. Oak-seedling. Fig. 38. Half of a horse-chestnut, .similarly cut; the caulicle is curved down on the side of one of the thick cotyledons. 39. Horse-chestnut in germination; foot- stalks are formed to the cotyledons, pushing out in their lengthening the growing 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 Gray, Asa, 1810-1888. New York American Book Co
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