JOHNSTON: FLORA OF MARGARITA ISLAND. 249 
SaRcOSTEMMA R. Br. 
S. etauca HBK., Nov. gen. et sp., vol. 3, p. 194, pl. 229 (1818). 
— Santa Ana, Ernst. Venezuela: near La Guaira, Maiqueti, and 
Cabo Blanco, HBK., /. c. 
CONVOLVULACEAE. 
Cuscuta L. 
C. ausrrauis R. Br., Prod., p. 491 (1810). C. obtusiflora HBK., 
Nov. gen. et sp., vol. 3, p. 122 (1818); Mart., Fl. Bras., vol. 7, p. 380, 
pl. 127; Griseb., Fl. Brit. W. Ind., p. 476.— Santa Ana, Ernst. Dis- 
tributed from Florida to Peru. 
Evotvuuvus L. 
E. aArENIcOLA Johnston, Proc. Amer. acad. arts and sci., vol. 40, 
p. 694 (1905).— Along the trail from Porlamar to San Antonio, Miller 
& Johnston, no. 218, Aug. 2. Endemic. 
E. riurres Mart., Flora, vol. 24, pt. 2, Beibl., p. 100 (1841).— El 
Valle, Miller & Johnston, no. 16, Aug. 9. Further distribution, 
Brazil. 
E. rncanus Pers., Syn., vol. 1, p. 288 (1805). E. sericeus Sw., 
Prod. veg. Ind. Oce., p. 55 (1788); Griseb, Fl. Brit. W. Ind., p. 475. 
—Santa Ana, Ernst. Distribution general in tropical Amictien: 
E. mucronatus Sw. ex Wikstr., Vet. akad. handl. Stockh., p. 61 
(1827); Griseb., Fl. Brit. W. Ind., p. 475—Santa Ana, Ernst. 
Distributed from Porto Rico to Peru. 
Tpomoga L. 
I. Bararas Poir., Encycl., vol. 6, p. 14 (1804); Griseb., Fl. Brit. W. 
Ind., p. 468. . Cultivated, according to Ernst. Commonly cultivated 
in warm climates. 
I. pes-capraE (L.) Sweet, Hort. suburb. Lond., p. 35 (1818); 
Griseb., Fl. Brit. W. Ind., p. 470. Convolvulus pes caprae L., Sp. pl., 
vol. 1, p. 159 (1753). Ipomoea biloba Forsk., Fl. Aegypt.-Arab., p. 44 
(1775)— Juan Griego, Ernst. veers Colonia Tovar, Fendler, 
no. 937, 1854-55. All tropical co 
I. carnea Jacq., Enum. pl. Coa. i 2 (1760); Griseb., Fl. Brit. 
