The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 309 310 311 312 313 after which the stamens generally fall or wither away. Under the micro- scope it is found to consist of grains, usually round or oval, and all alike in the same species, but very different in different plants. So that the 314 315 316 317 plant may sometimes be recognized from the pollen alone, are shown in the accompanying figures. 318 Several forms Fig. 306. Stamen with the usual dehiscence of anther down the side of each cell. Fig. 307. Stamen of Pyrola; cel
The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 309 310 311 312 313 after which the stamens generally fall or wither away. Under the micro- scope it is found to consist of grains, usually round or oval, and all alike in the same species, but very different in different plants. So that the 314 315 316 317 plant may sometimes be recognized from the pollen alone, are shown in the accompanying figures. 318 Several forms Fig. 306. Stamen with the usual dehiscence of anther down the side of each cell. Fig. 307. Stamen of Pyrola; cells opening by a terminal hole. Fig. 308. Stamen of Barberry; cells of anther each opening by an uplifted valve. Fig. 309. Magnified pollen of a Lily, smooth and oval; 310, of Echinocystis, grooved lengthwise; 311, of Sicyos, with bristly points and smooth bands; 312, of Musk Plant (Mimuhis), with spiral grooves; 313, of Succory, twelve-sided and dotted. Fig. 314. Magnified pollen of Hibiscus and other Mallow-plants, beset with prickly projections ; 315, of Circsea, with angles bearing little lobes; 316, of Even-
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