. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. MORE ABOUT POLLINATION 3°3 pollinated plants the pollen simply falls on the stigma; grav- ity is the agent of transfer. In others, as in the fireweed (Epilo- bium), the style turns as it grows so that it rubs against the an- thers. There are some plants whose cross-pollination is accom- plished by means of water. (Study Figure 126.) Snails, where they are very abundant, have been observed to act as pollinators. b. As to the Stigma Pollinated. — For some re
. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. MORE ABOUT POLLINATION 3°3 pollinated plants the pollen simply falls on the stigma; grav- ity is the agent of transfer. In others, as in the fireweed (Epilo- bium), the style turns as it grows so that it rubs against the an- thers. There are some plants whose cross-pollination is accom- plished by means of water. (Study Figure 126.) Snails, where they are very abundant, have been observed to act as pollinators. b. As to the Stigma Pollinated. — For some reasons it is more important to note what stigmas are pollinated than it is to note what it may be that carries the Fig. 124. — Heads of dandelion. At the left is an open head as seen in the sunlight. At the right is the same head as it is at night. The bracts of the in- volucre are of two kinds, short outer ones (b) and long inner ones (6'). The opening and closing is due chiefly to the movements of the inner 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 Coulter, John G. (John Gaylord), b. 1876. New York, American Book Co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
