570 PLANT LIFE OF ALABAMA. 
ALABAMA: Littoral region. Damp sandy soil. Mobile County, Danphin Island. 
July; very rare. Perennial. 
Type locality: ‘Hab. in arenosis insulae Cumberland et Floridae.” 
Herb. Geol. Surv. Herb. Mohr. 
STYLOSANTHES &w. Prodr. Fl. Ind. Occ. 108. 1788. PENCIL FLOWER. 
About 25 species, tropical regions, West Indies, Mexico to Brazil, eastern Asia, 
Africa. North America, 1. 
Stylosanthes biflora (L.) B.S. P. Prel. Cat. N. ¥.13. 1888. 
Trifolium biflorum L. Sp. Pl. 2: 773. 1753. 
Stylosanthes elatior Sw. Svensk Acad. Handl. 1789: 296, ¢. 77, f. 2. 1789. 
S. hispida var. nudiuscula Michx. Fl. Bor. Am. 2:75. 1803. 
EU. Sk. 2:203. Gray, Man. ed. 6,142. Chap. F1. 100. 
NORTHERN MEXICO, SOUTH AND WEST AFRICA. 
Carolinian and Louisianian areas. New York (Long Island), New Jersey, and 
West Virginia to southern Indiana, southern Illinois, Missouri, and Arkansas, south 
to the Gulf from Florida to Louisiana. 
ALABAMA: Over the State. Dry light soil. Flowers yellow, June, July. Com- 
mon; abundant in the pine barrens. Perennial. 
Type locality: ‘‘Hab. in Virginia, Canada.” 
Herb. Geol. Surv. Herb. Mohr. 
Stylosanthes biflora hispidissima (Michx.) HisPip PuNCIL FLowrEr. 
Stylosanthes hispida var. hispidissima Michx. F1. Bor. Am. 2:75. 1808. 
A taller plant, stem over 2 feet long, assurgent, with close appressed pubescence 
and hispid with long stiff spreading hairs; leaves, stipules, and calyx lobes hispid- 
ciliate. 
Louisianian area. 
ALABAMA: Lower Pine region. Coast plain. Dry sandy places. Mobile County 
(Gates). Flowers yellow. Perennial. 
Type locality: ‘Hab. in Virginia et Carolina.” 
Herb. Geol. Surv. Herb. Mohr. 
Stylosanthes riparia Kearney, Bull. Torr. Club, 24: 565. 1897. 
DECUMBENT PENCIL FLOWER. 
Perennial, with several stems from the strong woody root, decumbent, widely 
spreading, much branched; petioles pubescent, slightly exserted from the stipular 
sheath; stipules large, inflated, appressed-pubescent with two snbulate aristate 
teeth. Leaves elliptical to cuneate-obovate, snbspinescent-cnspidate. Spikelets of 
the inflorescence bracted, 1-flowered; prophyllum deeply lobed; loment strongly 
reticulated, gibbous with a strongly hooked beak. 
Carolinian to Louisianian area. Delaware, North Carolina, Florida. 
ALABAMA: Metamorphic hills. Dry sandy places. Lee County, Auburn (Baker § 
Earle, July, 1897). Dekalb County, Mentone. Local. { 
Type locality: ‘“ Banks of the French Broad River near Wolf Creek [Tennessee].” 
Herb. Geol. Surv. Herb. Mohr. 
ZORNIA Gmel. Syst. 2: 1096. 1791. 
Eleven species, warmer regions of both hemispheres, largely in tropical America 
to Brazil. . 
Zornia bracteata (Walt.) Gmel. Syst. 2:1096. 1791. Bractrep ZORNIA. 
Anonymus bracteata Walt. F1. Car. 181. 178%. 
Zornia tetraphylla Michx. Fl. Bor. Am. 2: 76, t. 47. 1808. 
El. Sk. 2:219. Chap. Fl.100. Coulter, Contr. Nat. Herb. 2: 85. 
NortH MEXx1co, WEST AND SOUTH AFRICA. 
Carolinian and Louisianian areas. Southern Virginia, North Carolina west to 
eastern Texas. 
ALaBaMA: Lower Pine region. Dry sandy pine barrens. Washington County. 
Monroe County, Claiborne. Baldwin and Mobile counties. Flowers yellow. July. 
Frequent. Perennial. ‘ 
‘Type locality: South Carolina. 
Herb, Geol. Surv, Herb. Mohr. 
