. School and home gardens. Gardening; School gardens. Endosperm .Cotyledon =tyl apuncle Fig. 115. Castor Bean with One Half of the Endosperm and One Cotyledon cut away In a grain of corn the lower part of the embryo, located near the hilum, is called the radicle. The plu- mule is the upper part of the embryo, and the single cotyledon lies next to the endosperm, which constitutes a large part of the grain of corn (see Fig. 116). Soak beans, castor beans, corn, and several other kinds of seeds. Examine the seed coats and compare them. Find the embryo in each. If the seeds contain endosperm, lo-
. School and home gardens. Gardening; School gardens. Endosperm .Cotyledon =tyl apuncle Fig. 115. Castor Bean with One Half of the Endosperm and One Cotyledon cut away In a grain of corn the lower part of the embryo, located near the hilum, is called the radicle. The plu- mule is the upper part of the embryo, and the single cotyledon lies next to the endosperm, which constitutes a large part of the grain of corn (see Fig. 116). Soak beans, castor beans, corn, and several other kinds of seeds. Examine the seed coats and compare them. Find the embryo in each. If the seeds contain endosperm, lo- cate it with reference to the cotyledons. Kinds of seeds. As the seeds mature during summer and fall, the names of the different kinds of seeds may be learned while gathering samples. Place the seeds in envelopes and write the name of each kind on the envelope that contains it. Envelopes that have been used will do; they may be closed by folding over the open ends. Seed board. A convenient device for learning the names of seeds is a seed board, shown in Fig. 117. The dimensions of the board ma}" vary. Make the holes one inch in diameter, half an inch deep, and half. Plumule Radi Fio. 116. A Grain of Corn cut Leni^thwise. 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 Meier, William Herman Dietrich, 1868-. Boston, New York [etc. ] Ginn and Co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgardening, bookyear19
