. Elementary botany . Fig. 301 Young ovule (macrosporangium) of podophyllum stage of the macrospore ; , inner integument; nucellus containing the one-celled outer integument. â elled several times until eight are formed, four in the micropylar end of the embryo sac and four in the opposite end. In some plants it has been found that one nucleus from each group of four moves toward the middle of the embryo sac. Here they fuse to- gether to form one nucleus, the endosperm nucleus or definitive nucleus shown in fig. 302. One of the nuclei at the micropylar end is the egg, while the two
. Elementary botany . Fig. 301 Young ovule (macrosporangium) of podophyllum stage of the macrospore ; , inner integument; nucellus containing the one-celled outer integument. â elled several times until eight are formed, four in the micropylar end of the embryo sac and four in the opposite end. In some plants it has been found that one nucleus from each group of four moves toward the middle of the embryo sac. Here they fuse to- gether to form one nucleus, the endosperm nucleus or definitive nucleus shown in fig. 302. One of the nuclei at the micropylar end is the egg, while the two smaller ones nearer the end are the
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany
