674 PLANT LIFE OF ALABAMA, 
ALABAMA: Tennessee Valley, Central Pine belt. Coast plain. Rich shady woods. 
Lauderdale County, Florence (M,C. Wilson), Tuscaloosa County (2. 4. Smith). 
Mobile County, Mount Vernon. Flowers lavender-blue; April. Not rare, 
Type locality: ‘* Hab, in Virginia.” 
Herb, Geol. Surv. Herb. Mohr. 
Amsonia ciliata Walt. Fl. Car. 98. 1788. NARROW-LEAVED AMSONIA, 
Tabernaemontana angustifolia Ait. Hort. Kew. 1:300. 1789, 
Amsonia angustifolia Miehx. Fl, Bor. Am, 1:121. 1803, 
EM. Sk, 1:314. Chap. I'l. 360, Gray, Syn. Fl. N. A. 2, pt. 1:81. Coulter, Contr. 
Nat. Herb. 2: 262, 
Louisianian area, North Carolina to Florida, west to Texas and Arkansas. 
ALABAMA: Central Pine belt to Coast plain. Dry light soil. Bibb County (/. 4. 
Smith). Baldwin County, Bon Secour, loose sands, open pine woods. Flowers pale 
blue; June. Not frequent. 
Type locality: South Carolina. 
Herb. Geol, Surv, Herb. Mohr. 
APOCYNUM 1... Sp. Pl.1: 213. 1753. 
About & species, perennial herbs, southern Europe to temperate Asia. North Amer- 
ica, 5, 
Apocynum cannabinum L. Sp. P1.1:213. 1753. 
CANADIAN IHlemr. INDIAN Hemp. Ciuocraw Roor. 
BIL SK.1:315, Gray, Man, ed. 6,338. Chap. FL 358.) Gray, Syn, FL N. A. 2, pt. 1: 
83. Wats. Bot. Calif. 1:473. Coulter, Contr. Nat. Herb. 2: 262, 
Cusa. 
Carolinian and Louisianian areas, Ontario to New England, west. to Minnesota, 
south through the Ohio Valley to the Gulf, from Florida west to Texas and Ari- 
zona, and from southern California to Oregon. 
ALABAMA: Coosa hills. Central Prairie region to Coast plain. Damp grassy banks. 
St. Clair County, Shoal Creek, Dallas County. Baldwin County, Point Clear, 
Flowers paie purplish. Frequent. One and one-half to 2 feet high from a woody 
cylindrical nearly horizontal root. 
Economic uses: The root is the ‘Canadian hemp root” or ‘ Apocynum” of the 
United States Pharmacopaia; the “ squaw root” of the Choctaw Indians. 
Type locality: “ Hab. in Canada, Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
TRACHELOSPERMUM Lemauair, Jard. Fleur. 1: t. 07. 1851. 
Seven species, Japan, Himalayan India. North America, 1. 
Trachelospermum difforme (Walt.) Gray, Syn. Fl. N. A. 2, pt. 1:85. 1878. 
CLIMBING DOGbANE, 
Kehites difformis Walt. FL. Car. 98. 1788, 
Forsteronia difformis A. DC, Prodr. 8: 437. 1844. 
EM Sk. 1: 312.) Gray, Man. ed. 6,388; Syn. P12, pt.1:85. Chap. P1359. Coul- 
ter, Contr. Nat. Herb. 2: 268. 
Carolinian and Louisianian areas. Southern Virginia to Florida, west to Texas. 
ALABAMA: ‘Tennessee Valley to Coast plain. Low, wet, alluvial banks. Morgan 
County, Cedar Plains. Walker County (4. 1. Smith). Tuscaloosa, Montgomery, and 
Mobile counties. Flowers cream-color; June, July. Common, Trailing and elimb- 
ing over bushes, Perennial. 
Tyve locality: South Carolina. 
Herb. Geol. Surv. Herb. Mohr, 
ASCLEPIADACEAE. Milkweed Family. 
ASCLEPIAS L. Sp. P11: 214. 1753. 
Kighty-tive species, perennial herbs, cooler temperate and tropical regions of both 
hemispheres. North America, 55, 
Asclepias tuberosa L. Sp. Pl.1:217. 1753. BUTTERFLY WEED, 
EM. Sk, 1:325, Gray, Man, ed. 6,340. Chap. FL. 365. Gray, Syn. FIN, A. 2, pt. 1: 
89. Coulter, Contr. Nat. Herb. 2: 265. 
Alleghenian, Carolinian, and Louisianian sreas. Ontario; New England west to 
Minnesota, Dakota, and Colorado, south to Florida, Texas, and Arizona, 
