. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Tree Study 771 it matures, it becomes larger and darker green, and the string elongates to six or even ten inches. The little pointed pods open into two or more valves and set free the seeds, which are provided with a fluff of pappus to sail them off on the breeze; so many of the seeds develop that every object in the neighborhood is covered with their fuzz, and thus the tree has gained its name "; The foliage of the cottonwood is like that of other poplars, tremb
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Tree Study 771 it matures, it becomes larger and darker green, and the string elongates to six or even ten inches. The little pointed pods open into two or more valves and set free the seeds, which are provided with a fluff of pappus to sail them off on the breeze; so many of the seeds develop that every object in the neighborhood is covered with their fuzz, and thus the tree has gained its name "; The foliage of the cottonwood is like that of other poplars, trembling with the breeze. The heavy, sub- circular leaf is supported on the sidewise flattened petiole, so that the slightest breath of air sets it quak- ing ; a gentle breeze sets the whole tree twinkling and gives the eye a fascinating impression as of leaves beckoning. The leaf is in itself pretty. It is from three to five inches long, broad, slightly angular at the base and has a long, tapering, pointed tip. The edge is saw-toothed, and also slightly ruffled except near the stem where it is smooth; it is thick and shining green above and paler beneath. The long, slender petiole is red or yellowish, and the leaves are placed alternate on the twigs. In the autumn the leaves are brilliant yellow. The wood is soft, weak, fine-grained, whitish or yellowish, and has a satiny luster; it is not durable. It is used somewhat for building and for furniture, in some kinds of cooperage, and also for c'rates and woodenware; but its greatest use is for making the pulp for paper. Many newspapers and books are printed on cotton- wood paper. It is common from the Middle States to the Rocky Mountains and from Manitoba to Staminate catkin of cottonwood. Drawn by Anna Stryke. LESSON CXCVII The Cottonwood Leading thought—The cottonwood is a poplar. It grows rapidly and flourishes on the dry western plains where other trees fail to gain a foothold. It grows well in the dusty city, its shini
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