. Lessons in botany. Botany. Fig. 187. How the garden bean comes out of the ground. First the looped hypocotyl, then the cotyiedons pulled out. next casting off the seed coat, last the plant erect, bearing thick cotyledons, the expanding leaves, and the plumule between them. is at the stem end. It usually splits open in the form of three ribs. Next within the inner coat is a very thin, whitish film (the remains of the nucellus, and corresponding to the perisperm) which shrivels up and loosens from the white mass, the endosperm, within. In the castor-oil bean, then, the endosperm is not all abs
. Lessons in botany. Botany. Fig. 187. How the garden bean comes out of the ground. First the looped hypocotyl, then the cotyiedons pulled out. next casting off the seed coat, last the plant erect, bearing thick cotyledons, the expanding leaves, and the plumule between them. is at the stem end. It usually splits open in the form of three ribs. Next within the inner coat is a very thin, whitish film (the remains of the nucellus, and corresponding to the perisperm) which shrivels up and loosens from the white mass, the endosperm, within. In the castor-oil bean, then, the endosperm is not all absorbed by the embryo during the forma- tion of the seed. As the plant becomes older we should note that the fleshy endosperm becomes thinner and thinner, and at. 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 Atkinson, George Francis, 1854-1918. New York, H. Holt and company
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