The sylva americana; or, A description of the forest trees indigenous to the United States, practically and botanically considered . for the felloes of wheels, it is generally selectedlor the flooring of houses, frequently for the exterior covering,and sometimes for the shingles of the roof; but for the lastpurpose the tulip tree is preferred. It is said that a blue colorcan be extracted from the bark of this tree. Black Ash, Fraxinus sambucifoUa. In the extensive countrycomprising the northern sec-tion of the United Statesand the provinces of NewBrunswick and Nova Scotiathe White Ash and the
The sylva americana; or, A description of the forest trees indigenous to the United States, practically and botanically considered . for the felloes of wheels, it is generally selectedlor the flooring of houses, frequently for the exterior covering,and sometimes for the shingles of the roof; but for the lastpurpose the tulip tree is preferred. It is said that a blue colorcan be extracted from the bark of this tree. Black Ash, Fraxinus sambucifoUa. In the extensive countrycomprising the northern sec-tion of the United Statesand the provinces of NewBrunswick and Nova Scotiathe White Ash and the BlackAsh, which is sometimescalled Water Ash and BrownAsh, are the most abundantin the forests and the mostperfectly known to the in-habitants. The black ashrequires a moister soil thanthe white ash, and longerexposed to inundations. The black ash is 60 or70 feet high and about twofeet in diameter. It is easily distinguished from the white ashby its bark, which is of a duller hue, less deeply furrowed, andhas the layers of the epidermis applied in broad sheets. Thebuds are of a deep blue, and the young shoots of a bright green. PLATE XXXLFig. 1. A leaflet. Fig. 2. The seed. 158 SYLVA AMERICANA. sprinkled with dots of the same color which disappears as theseason advances. The leaves at their unfolding are accompaniedby stipulae which fall after two or three weeks: they are twelveor fifteen inches long when fully developed, and composed ofthree or four pair of leaflets with an odd one. The leaflets aresessile, oval-acuminate, denticulated, of a deep green color,smooth on the upper surface, and coated with red down uponthe main ribs beneath : when bruised they emit an odor like thatof elder leaves. Its flowers open in May or June, which are ofa greenish color, and are succeeded by seeds disposed in bunchesfour or five inches long, flat, and, like those of the blue ash, arenearly as broad at the base as at the summit. The perfect wood is of a brown complexion and fine texture ;it i
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Keywords: ., boo, bookcentury1800, booksubjectforestsandforestry, bookyear1832
