. Our field and forest trees. Trees. Pines and Their Kindred 207 ago, when winged honey-seekers, and the trees which attract them and employ them, were not as yet in existence. Now, when the summer fields are full of pollen- carriers, ready to fly on the tree's errands, the gymno sperms k^-^t,. m-M. -v will have none of them, but go on in their old way, depending on the wind alone. So gymno- sperms can set rA seed abundantly in lands where the summers are so short and cold that few flying insects wander Courtesy of Doubleday, Pago ana Co. aurOaCl. Fig. s6. Flowers of the Scotch pine. (Pinus B
. Our field and forest trees. Trees. Pines and Their Kindred 207 ago, when winged honey-seekers, and the trees which attract them and employ them, were not as yet in existence. Now, when the summer fields are full of pollen- carriers, ready to fly on the tree's errands, the gymno sperms k^-^t,. m-M. -v will have none of them, but go on in their old way, depending on the wind alone. So gymno- sperms can set rA seed abundantly in lands where the summers are so short and cold that few flying insects wander Courtesy of Doubleday, Pago ana Co. aurOaCl. Fig. s6. Flowers of the Scotch pine. (Pinus B U t , aS silvestris.) Common in cultivation. A, The pollen shedding flower cluster; B, The community of W e h a V e carpels; C, The young cone; D, Staminal leaves; E, Carpels. Segf,^ wiuds are wasteful messengers, and so the gymnosperms are obliged to yield great quantities of pollen. It flies from the pine branches in light golden clouds. It covers the surface of ponds in the neighborhood of pine forests, and washes up along the shores in long sulphur-yellow streaks. It fills the air, and powders everything in or near the pine 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 Going, Maud, 1859-1925. Chicago, A. C. McClurg & Co.
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttrees, bookyear1916
