. Our native trees and how to identify them; a popular study of their habits and their peculiarities. Trees. OLIVE FAMILY Ash, Fraxi- nus qiiadran- gulata. Wood.—Light yellow streaked with brown, sapwood a lighter yel- low ; heavy, hard, close-grained. Sp. gr:, ; weight of cu. ft., lbs. Winter Buds.—Terminal bud one-fourth inch long ; outer scales fall when spring growth begins, inner scales enlarge and become green. Leaves.—Opposite, compound, unequally pinnate, eight to twelve inches long; leaflets five to nine,petiolate, three to five inches long, one to two inches broad, ovate-
. Our native trees and how to identify them; a popular study of their habits and their peculiarities. Trees. OLIVE FAMILY Ash, Fraxi- nus qiiadran- gulata. Wood.—Light yellow streaked with brown, sapwood a lighter yel- low ; heavy, hard, close-grained. Sp. gr:, ; weight of cu. ft., lbs. Winter Buds.—Terminal bud one-fourth inch long ; outer scales fall when spring growth begins, inner scales enlarge and become green. Leaves.—Opposite, compound, unequally pinnate, eight to twelve inches long; leaflets five to nine,petiolate, three to five inches long, one to two inches broad, ovate-oblong, unequally round- ed or wedge-shaped at base, serrate, acuminate. They come out of the bud conduplicate, coated with brown tomentum, when full grown are thick, dark green and shining above, pale, smooth or hairy beneath ; in au- tumn they turn from brown and purple to yellow. Petiolules short and grooved. Flowers.—April, before the leaves. Perfect, borne in loose panicles developed from buds formed in the axils Flower of Blue of leaves of the previous year. Calyx.—Reduced to a ring. Corolla.—Wanting. Stamens.—Two, nearly sessile; anthers dark purple, oblong, ob- tuse, introrse, two-celled ; cells opening longitudinally. Pistil.—Ovary superior, two-celled; style short with two, pale purple, stigmatic lobe's. Ovules two in each cell Fruit.—Samaras, borne in panicles, lin- ear-oblong, one to two inches long, one-fourth to one inch wide ; the broad wing surrounding the long flat body, emarginate, many-rayed. September, October. Cotyledons elliptical. The Blue Ash belongs to that group of trees native to the valley of the Miss- issippi. Its habitat extends from south- ern Michigan to central Missouri and southward to eastern Tennessee and northern Alabama and through Iowa and Missouri to northeastern Arkansas. Some trees like the Rhododendron re- fuse to grow upon limestone ; the Blue Ash prefers it. Its chosen locations are rich limestone hills, but it will
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1912
