WILLOW FAMILY. 465 
Populus deltoides Marsh. Arb. Am. 106. 1785. 
CAROLINA POPLAR. BIG COTTONWOOD. 
Populus carolinensis Moench. Verz. Pl. 81. 1785. 
P. monilifera Ait. Hort. Kew. 3:406. 1789. 
P. angulata Ait. Hort. Kew. 3:407. 1789. 
P. angulosa Michx. F1. Bor. Am, 2: 243. 1803. 
Ell. Sk. 2:711. Gray, Man. ed. 6, 487. Chap. Fl. 431. Coulter, Contr. Nat. 
Herb. 2:420. Sargent, Silv. N. A, 9:179, t. 494, 495. 
Alleghenian to Louisianian area. Ontario west to the eastern base of the Rocky 
Mountains; New England west to Minnesota, Colorado, and Nevada, south to Florida 
and western Texas. 
ALABAMA: Tennessee Valley to the coast. Most frequent in alluvial swamps on 
the lower Alabama and Tombigbee rivers. 
Economic uses: A timber tree. 
Type locality: North America. 
Herb. Mohr. 
Populus heterophylla L. Sp. Pl. 2: 1084. 1753. 
SwaMPp CoTTONWOOD. BLACK COTTONWOOD. 
Ell. Sk. 2:712. Gray, Man. ed. 6, 487. Chap. Fl. 431. Sargent, Silv. N, A. 
9: 163, t. 489, 
Carolinian and Louisianian areas, Southern New England, Ohio Valley, Tennes- 
see, Missouri, to Florida and western Louisiana. 
ALABAMA: Chiefly bottoms, margins of swampy forests. Montgomery and Clarke 
counties. Mobile County, Mount Vernon. Baldwin County, Stockton. Flowers 
middle of February. 
Economic uses: Timber tree. 
Type locality: ‘‘Hab. in Virginia.” 
Herb. Mohr. 
Populus alba L. Sp. Pl. 2: 1034. 1753. _ SILVER-LEAF POPLAR. 
Gray, Man. ed. 6,486. Chap. FI. 431. 
Introduced and escaped from cultivation through the State. Mobile County. 
Type locality: ‘Hab. in Europa temperatiori,” 
SALIX L.Sp. Pl.2: 1015. 1753. WILLow. 
One hundred and sixty species, cooler and temperate zones of Northern Hemi- 
sphere. Trees and shrubs. 
Salix nigra Marsh. Arb, Am, 139, 1785. BLack WILLOW. 
Salix caroliniana Michx. F1. Bor, Am. 2: 226. 1803. 
Ell. Sk. 2:670. Gray, Man. ed.6,480. Chap. Fl. 430, Coulter, Contr. Nat, Herb. 
2:419. Wats. Bot. Calif. 2:83. Sargent, Silv. N. A. 9:108, t. 462. 
Alleghenian and Carolinian areas. Throughout eastern North America to Florida, 
and west to Texas, Nebraska, Colorado, Arizona, and California. 
ALABAMA: All over the State. Wet banks of streams, lakes, ponds. Flowers in 
April. 
Economic uses: Of some value for its wood. The bark, as “ black willow bark,” 
is used medicinally. 
Type locality: North America. 
Herb. Mohr. 
Salix wardi Bebh, Gard. & For. 8: 363, 1895. Warpb’s WILLOW. 
Salix nigra var. wardi Bebb in Ward, Bull. U.S. Nat, Mus. 22: 114. L881. 
Gray, Man. ed. 6,481. Britt. & Br, IL. F1.1:495, f. 2774. 
Carolinian and Louisianian areas. District of Columbia west to Missouri, south 
to western Florida and Indian Territory. 
ALABAMA: Tennessee Valley. So far only known from Lauderdale County in the 
river hills on gravelly banks of streams. 
Type locality: “First met with among the rocks on the river bottom adjacent to 
the Chain Bridge and Little Falls [Potomac River, D. C.).” 
Herb. Mohr. 
Salix cordata Muhl.; Willd. Neue Schrift. Gesell. Nat. Fr. Berlin 4: 236, t. 6, f. 3. 
1803. HEART-LEAF WILLOW. 
Alleghenian to Lonisianian area. New Brunswick to British Columbia, south to 
Virginia, west to Missouri, Colorado, and California. 
ALABAMA: Central Prairie region. Low banks of water courses. Butler County, 
15894. 30 
