SIMARUBA FAMILY. 587 
Wrst INDIES, MrExIco. 
Carolinian and Louisianian areas. VMlorida, Texas, Arizona, New Mexico, and 
Kansas. 
Pe pei Coast plain. Waste places. Adventive from the southwest ou ballast. 
obile. 
Type locality: ‘Hab. in Jamaicae aridis.” 
Herb. Geol. Surv. Herb. Mohr. 
RUTACEAE. Rue Family. 
ZANTHOXYLUM L. Sp. Pl. 1:270. 1753. 
About 80 valid species, mostly of the tropical and warmer regions of Asia. North 
America, 4. Trees or shrubs. 
Zanthoxylum clava-herculis L. Sp. Pl. 1:270. 1753. SOUTHERN PRICKLY ASH. 
Zanthoxylum carolinianum Lam, Encycl. 2:39. 1786. 
Z. tricarpum Michx. F1. Bor. Am. 2: 235. 1803. 
Ell Sk. 2: 690, 691. Gray, Man. ed. 6,107. Chap. Fl. 66. Coulter, Contr. Nat. 
Herb. 2:54. Sargent, Silv. N. A. 1:67, #. 28, 29. 
West INDIES. 
Louisianian area. North Carolina along the coast to Florida and west to Texas, 
ALABAMA: Central Pine belt to Coast plain. In light soil, border of woods. Tus- 
caloosa, Hale, Marengo, Dallas, Montgomery, Clarke, Mobile, and Baldwin counties. 
Flowers greenish white, middle of April; fruit ripe August. Small tree, 20 to 25 
feet high; diameter 6 to 8inches. Frequent. 
Most frequent in the hammock lands of the coast plains. 
Economic uses: The bark, ‘‘ Southern prickly ash bark ”—‘“‘ Zanthoxylum,” United 
States Pharmacopw@ia—and the ripeseeds, *‘ prickly ash berries,” are used in medicine. 
Type locality: ‘ Hab. in Jamaica, Carolina, Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
PTELEA L. Sp. Vl. 1:118. 1753. 
Six species, warmer North America. Trees or shrubs. 
Ptelea trifoliata L. Sp. Pl. 1:118. 1753. SHRUBBY TREFOIL. 
Ell. Sk. 1:210. Gray, Man. ed. 6,107. Chap. Fl. 66. Coulter, Contr. Nat. Herb. 
2:54. 
Alleghenian to Louisianian area. Southern Ontario; Long Island, New York, to 
Michigan, south to West Virginia, through the Ohio Valley to Missouri, and Arkan- 
sas; from New Jersey south to Middle Florida, west through the middle districts of 
the Gulf States to central 'lexas. 
ALABAMA: Central Pine belt to Upper division Coast Pine belt. Rocky banks. 
Bibb County. Clarke County, Lisbon, blutfs on Alabama River; May. Collected 
in fruit July 23. Shrub 3 to 4 feet high. Not frequent. 
Type locality: ‘‘ Hab. in Virginia.” 
Herb. Geol. Surv. Herb. Mohr. 
SIMARUBACEAE. Simaruba Family. 
AILANTHUS Desf. Mém. Acad. Paris, 1786: 265, t. 8. 1789. 
Three species, Eastern Asia. 
Ailanthus glandulosa Desf. Mém. Acad. Paris, 1786: 265, t. 8, 1789. 
TREE Or HEAVEN. 
ee and escaped from cultivation; perfectly naturalized throughout the 
Carolinian and Louisianian areas. Spreading in waste places, borders of woods 
and copses. 
AvaBaMa: Throughout the State. In numerous localities often forming dense 
thickets; objectionable on account of its spreading habit, and the disagreeable odor 
of the male flowers. Tennessee Valley. Montgomery. Mobile. Flowers in June. 
Type locality not ascertained. 
Herb. Geol. Surv. Herb. Mohr. 
