Annual program for the observance of Arbor day in the schools of Rhode Island . . oping stem,forming a catkin. These catkins appear before .the leaf buds burst and the trees present a verypretty appearance, covered with the long cat-kins swinging in the breeze. As with the willows the blossoms of the poplarare of two kinds. One of these produces onlypollen and the other bears no pollen, but instead,-. bears the seeds. These different flowers arefound on separate trees, so that only part of thepoplar trees produce seed. The catkins which do not produce seed soon fallto the ground, but the ferti
Annual program for the observance of Arbor day in the schools of Rhode Island . . oping stem,forming a catkin. These catkins appear before .the leaf buds burst and the trees present a verypretty appearance, covered with the long cat-kins swinging in the breeze. As with the willows the blossoms of the poplarare of two kinds. One of these produces onlypollen and the other bears no pollen, but instead,-. bears the seeds. These different flowers arefound on separate trees, so that only part of thepoplar trees produce seed. The catkins which do not produce seed soon fallto the ground, but the fertile ones remain on the tree several weeks, and when they ripen the pods burst and the seeds become covered with a mass of white down which is caught by the wind and carried for long distances. These seed bearing trees are often called cotton woods. SUGAR MAPLE. Following soon after these early flowers of the willow and elm the sugar maple makes its appearance in mid April. It is not common in this State, but north of us, in the states along the Canadian border, this magnificent. Poplar 12
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