. The elements of botany for beginners and for schools. Plants. O • 309 310 311 after which the stamens generally fall or wither away 812 313 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. <*P 314 816 316 817 plant may sometimes be recognized from the pollen alone. are shown in the accompanying figures. 818 Several forms Fig. 306. Stamen with tin- usual dehiscence r auther down the side of each cell. Fig. 307. Stamen of Pyrola; cells opening by a terminal hole. Fio. 308.
. The elements of botany for beginners and for schools. Plants. O • 309 310 311 after which the stamens generally fall or wither away 812 313 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. <*P 314 816 316 817 plant may sometimes be recognized from the pollen alone. are shown in the accompanying figures. 818 Several forms Fig. 306. Stamen with tin- usual dehiscence r auther down the side of each cell. Fig. 307. Stamen of Pyrola; cells opening by a terminal hole. Fio. 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 Echino<v<tis. grooved lengthwise; 311, of Sicyos, with bristly points and smooth bands; 812, oi Musk Planl (Miniulus), with spiral gro twelve-sided and dotted. Fio. 314. Magnified pollen of Hibiscus and other Mallow-plants, beset with prickly projections ; 315, of Circaca, with angles bearing little lobes; 816, ol. 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 Company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectplants, bookyear1887
