. The elements of botany for beginners and for schools. Botany. i 809 810 311 312 313 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 dittercnt in different plants. So that tiie. 814 315 816 317 318 plant may sometimes be recognized from the pollen alone. Several forms are shown in the accompanying figures. 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


. The elements of botany for beginners and for schools. Botany. i 809 810 311 312 313 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 dittercnt in different plants. So that tiie. 814 315 816 317 318 plant may sometimes be recognized from the pollen alone. Several forms are shown in the accompanying figures. 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 , grooved lengthwise; 311, of Sicyos, with bristly points and smooth bands; 312, of Musk Plant (Mimulus), with .spiral grooves; 313, of Succory, twelve-sided and dotted. Fig. 314. Magnified pollen of and other Mallow-plants, beset with prickly projections ; 315, of C'ircasa, with angles bearing little lobes; 316, of Fveu-. 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 Co


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Keywords: ., bookpublishernewyorkamericanboo, booksubjectbotany, bookyear1887