554 PLANT LIFE OF ALABAMA. 
Louisianian area. Florida west to Mississippi, Louisiana, Texas, and southern 
Arkansas. 
ALABAMA: Central Prairies. Coast plain. Open grassy places. Greene County 
(Leavenworth). Mobile County, Portersville, West Fowl] River. Flowers July to 
September. Infrequent. Perennial. 
Type locality: ‘‘In the prairies of Green County, Ala.” 
Herb. Geol. Surv. Herb. Mohr. 
MORONGIA Britton, Mem. Torr. Club, 5:191. 1894. SENSITIVE BRIER. 
(ScHRANKIA Willd. Sp. Pl. 4:1041. 1806. Not Medic. 1792.) 
Four species, warmer, temperate, and tropical America. Perennials. 
Morongia angustata (Torr. & Gray) Britton, Mem. Torr. Club, 5:191. 1894. 
Schrankia angustata Torr. & Gray, Fl.N.A.1:401. 1840. 
Gray, Man. ed.6,149. Chap. F1.116. Coulter, Contr. Nat. Herb. 2:98. 
Carolinian and Louisianian areas. Southern Virginia to Florida, west to Texas, 
Arkansas, Tennessee, and Missouri. 
ALABAMA: Over the State. Open woods, pastures, old fields, dry light soil. Cull- 
man, Tuscaloosa, Washington. Monroe, and Mobile counties. Flowers pink, May to 
July. Prostrate stems 2 to 3 feet long. Frequent. 
Type locality: ‘‘ With the preceding [M. uncinata], South Carolina, Georgia, Texas, 
Drummond.” : 
Herb. Geol. Surv. Herb. Mohr. 
Morongia horridula (Michx.), 
Mimosa horridula Michx. Fl. Bor. Am, 2: 254. 1803. 
Schrankia angustata var. brachycarpa Chap. F1.116. 1860. 
8. horridula Chap. FI. ed. 3,127. 1897. 
Chap. Fl. 1.¢. 
Louisianian area. Florida to North Carolina? west to Louisiana. 
ALABAMA: Coast Pine belt. Dry pine woods. Clarke County, Suggsville (Dr. 
Denny). Washington County, Yellowpine. Mobile County. Flowers pink, July. 
Less frequent than the above. 
Type locality: ‘‘ Hab. a Virginia ad Floridam.” 
Herb. Geol. Surv. Herb. Mohr. 
ACUAN Medic. Theod. Spec. 62. 1786. 
(DESMANTHUS Willd. Sp. Pl. 4: 1044. 1806.) 
Ten species, South Atlantic America, West Indies. 
Acuan illinoense (Michx.) Kuntze, Rev. Gen. Pl. 1: 158. 1891. 
Mimosa illinoensis Michx. Fl. Bor. Am. 2: 254, 1803. 
Acacia brachyloba Willd. Sp. Pl. 4:1071. 1806. 
Desmanthus brachylobus Benth. in Hook. Bot. Journ. 4: 358. 1842. 
Gray, Man. ed. 6,149. Chap. Fl. Suppl. 618; ed.3, 128. Coulter, Contr. Nat. Herb. 
2:96. 
Carolinian and Louisianian areas. Southern Virginia, Kentucky, Missouri, Min- 
nesota, south to Tennessee, Mississippi, Arkansas, Louisiana, and Texas. 
ALABAMA: Prairie region, Coast plain. Grassy open place. Montgomery County, 
open prairies, banks of PentulallaCreek. Mobile County, shore of Mississippi Sound 
at Cedar Point. Flowers white, July. Perennial. 
Type locality: ‘‘ Hab. in pratensibus regionis Illinoensis.” 
Herb. Geol. Surv. Herb. Mohr. 
PARKINSONIA L. Sp. Pl. 1:375. 1753. 
About 11 arborescent species, South Africa, Warmer and tropical America, 4. 
Parkinsonia aculeata L. Sp. Pl. 1: 375. 
Chap. Fl. Suppl. 618; ed. 3,126. Coulter, Contr. Nat. Herb 2:94. 
Wust Inpiss, Texas, MEXIco. Cultivated in all tropical countries. 
Louisianian area. Cultivated and escaped. Southwestern Florida to California. 
ALABAMA: Coast plain. Waste places, not rarely escaped. Flowers yellow, J une, 
July. ‘Tree 15 to 20 feet high. 
Economic uses: Ornamental. 
Type locality: ‘Hab. in America calidiori.” 
Herb. Geol. Surv. Herb. Mohr. 
