. 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. ioi5- 1753- with an adherent membrane within, Genus !• WILLOW FAMTLY. ii. Populus Sargentii Dode. Western Cottonwood. Fig. 1450. P. deltoides occidentalis Rydb. Mem. N. Y. Bot, Gard. 1: 115. 1900. P. Sargentii Dode, Mem. Soc. Hist. Nat. Autun 18: [reprint 40]. 1905. Populus occidentalis Britton ; Tillotson, Rep. Board. Agric. Nebr. 1906-7: 218. Similar to P. de
. 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. ioi5- 1753- with an adherent membrane within, Genus !• WILLOW FAMTLY. ii. Populus Sargentii Dode. Western Cottonwood. Fig. 1450. P. deltoides occidentalis Rydb. Mem. N. Y. Bot, Gard. 1: 115. 1900. P. Sargentii Dode, Mem. Soc. Hist. Nat. Autun 18: [reprint 40]. 1905. Populus occidentalis Britton ; Tillotson, Rep. Board. Agric. Nebr. 1906-7: 218. Similar to P. deltoides, the bark thick and gray, the twigs smooth, greenish to light yellow. Leaves glabrous on both sides when mature, broadly triangular-ovate, often wider than long, subcordate to truncate at the base, rather long-acuminate at the apex, the margins coarsely and bluntly toothed; petioles flattened, about as long as the blades; stami- nate aments 2'-t,¥ long, not very dense; ripe pistillate aments 5' long or more; capsules ovoid, 5"-7" long, longer than their pedicels. River bottoms, Saskatchewan to North Dakota, Nebraska, Kansas and New Mexico. Wood soft and brownish; weight per cubic foot about 22 lbs. March-April. 2. SALIX [Tourn.] L. Sp. PI. Trees or shrubs, with single-scaled buds, the scales mostly narrow and short-petioled leaves and persistent or early deciduous broad or minute stipules. Bracts of the aments entire. Disk gland-like, small or minute. Staminate aments dense, erect, spreading or drooping. Staminate flowers with 1-10, mostly 2, stamens, their filaments distinct or sometimes united. Pistillate aments usually erect or spreading. Ovary sessile or short-stipitate. Style short or filiform. Stigmas 2, entire or 2-cleft. Capsule mostly 2-valved. [Name ancient.] About 200 species, of wide geographic distribution throughout the north temperate and arctic zones, a few in the southern hemisphere. Bejides the following, some 60 others occur in the northe
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
