. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 15. Quercus imbricaria Michx. Shingle Oak. Fig. 1528. Q. imbricaria Michx. Hist. Chen. Am. 9. pi. 75,16. 1801. A forest tree, with maximum height, about ioo°, and trunk diameter of 3$°. Leaves oblong or lanceolate, entire, coriaceous, acute at both ends, short-petioled, bristle-tipped, dark green above, per- sistently brown-tomentulose beneath, 3-7' long, 9-2'
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 15. Quercus imbricaria Michx. Shingle Oak. Fig. 1528. Q. imbricaria Michx. Hist. Chen. Am. 9. pi. 75,16. 1801. A forest tree, with maximum height, about ioo°, and trunk diameter of 3$°. Leaves oblong or lanceolate, entire, coriaceous, acute at both ends, short-petioled, bristle-tipped, dark green above, per- sistently brown-tomentulose beneath, 3-7' long, 9-2' wide; styles recurved; fruit maturing the second autumn; cup hemispheric or turbinate, 5"-y" broad, its bracts appressed; acorn subglobose, 5"-7" high. Central Pennsylvania to Michigan, Nebraska, Georgia, Tennessee and Arkansas. Reported from eastern Massa- chusetts. Wood hard, coarse-grained, light reddish-brown ; weight per cubic foot 47 lbs. April-May. Lea-, Jack- or Laurel-oak. Quercus Leana Nutt. Sylva 1: 134, pi. 56, is a hybrid of this and Q. velutina, with intermediate characters. Ohio to Missouri and District of Columbia. Quercus tridentata Engelm. Q. nigra var. tridentata A. DC. Prodr. 16: Part 2, 64, is a hybrid with Q. marilandica. Illinois and Pennsylvania. A hybrid with Q. palustris has been found near St. Louis, Mo., and in Iowa. 16. Quercus alba L. White Oak. Fig, 1529. Quercus alba L. Sp. PI. 996. 1753. A forest tree, with light gray bark scaling off in thin plates; maximum height about 150°, trunk diameter up to 8°. Leaves obovate in outline, green above, pale and more or less glaucous beneath, pubescent when young, nearly glabrous when old, thin, pinnatifid into 3-9 oblong obtuse ascending toothed or entire lobes, 4-7' long, 2-4i' wide;., petioles about ¥ long; styles short, erect; fruit*5 maturing the first season, peduncled; cup depressed- hemispheric, 7"-io" broad, its bracts thick, obtuse, woolly or at length glabrate, c
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
