. West Virginia trees. ler, Wetzel, and Wirtcounties. Now becoming rare. Habitat.—Prefers fertile, well-drained soil, but wall grow in allsoils and situations excepting swamps and dry wind-swept ridges. Notes.—White Pine is easily distinguished from all other nativespecies by the leaves wdiich are in clusters of five. This tree is oneof the most valuable and beautiful of the conifers. Its wood is ex-tensively used for shingles, construction, cabinet work, , etc. As an ornamental tree it is especially attractive. Afungous disease, the white pine blister rust, threatens to dest
. West Virginia trees. ler, Wetzel, and Wirtcounties. Now becoming rare. Habitat.—Prefers fertile, well-drained soil, but wall grow in allsoils and situations excepting swamps and dry wind-swept ridges. Notes.—White Pine is easily distinguished from all other nativespecies by the leaves wdiich are in clusters of five. This tree is oneof the most valuable and beautiful of the conifers. Its wood is ex-tensively used for shingles, construction, cabinet work, , etc. As an ornamental tree it is especially attractive. Afungous disease, the white pine blister rust, threatens to destroythe species. 30 W. VA. AGRL EXPERIMENT STATION [Bulletin 175. PITCH PINELibrary West Vkginia University September, lJ20J WEST VIRGINIA TREES 31 PITCH PINEPinus rigida, Mill. Form.—Usually 50-60 feet high, 1-21/4 feet in diameter; trunk notstraight, tapering; crown rounded, usually open; lim1)s coarse, gnarl-ed, with thick bark, and ])ersistent old cones. Leaves.—In clusters of three; stout, rigid, somewhat twisted,often standing at right angles with the branches; yellow-green. Flowers.—Appear April-May; monoecious; the staminate incrowded spikes, at base of new growth, yellow; the pistillate short-stalked, nearly round, green tinged with rose. Fruit.—Cones maturing autumn of second year; ovoid, oftenclustered, divergent from stem, 1-3 inches long, adhering for severalyears; scales thin, armed with stiff recurved prickles; triangularseeds ^ inch long with wing .)4 inch long, one-third inch wide, darkbrown to black, sometimes spotted with gray or red dots. Bark.—Twigs green becoming dull orange and then gray-brownwith age; trunk with rou
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectshrubs, bookyear1920
