JOHNSTON: FLORA OF MARGARITA ISLAND. 209 
Johnston, no. 13, July 15. Venezuela: near Bordones, HBK., Nov. 
gen. et sp., vol. 2, p. 188; Caracas, Birschel; Colonia Tovar, Fendler, 
nos. 865 and 1805, 1854-57. Further distribution, temperate and 
tropical America. 
RiVINA L. 
R. HUMiLis L., Sp. pi., vol. 1, p. 121 (1753); Schmidt in Mart., 
Fl. Bras., vol. 14, pt. 2, p. 336; Urb., Symb. Ant., vol. 4, p. 228. R. 
laevis L., Mant., vol. 1, p. 41 (1767); Griseb., Fl. Brit. W. Ind., p. 
59. — Santa Ana, Ernst; El Valle, Miller & Johnston, no. 263, July 8. 
Venezuela: Cumana, Loefling, Reise nach den spanischen Landern, 
p. 152-153; Colonia Tovar, Fendler, no. 1088, 1854-55; Sacupana, 
Rushy & Squires, no. 80, 1896. Further distribution, tropical x'Vmerica. 
AIZOACEAE. 
Cypselea Turp. 
C. HUMiFUSA Turp., Ann. mus. Par., vol. 7, p. 219, pi. 121, fig. 5 
(1806); Griseb., Fl. Brit. W. Ind., p. 56. — Shores of Juan Griego 
pond, Johnston, no. 252, Aug. 14. Further distribution, Caribbean 
Ids., Haiti to Guadeloupe. 
MOLLUGO L, 
M. VERTiciLLATA L., Sp. pi., vol. 1, p. 89 (1753); Griseb., Fl. Brit. 
W. Ind., p. 56; Rohrbach in Mart., Fl. Bras., vol. 14, pt. 2, p. 240; 
Urb., Symb. Ant., vol. 4, p. 230.— Juan Griego, Ernst; El Valle, 
Miller & Johnston, no. 21, Aug. 10; Juan Griego, Johnston, no. 126, 
Aug. 14. This species was seen as a much-branched specimen on the 
dry roadside and as few-branched specimens on the shores of the Juan 
Griego pond. Venezuela: Cumana, HBK., Nov. gen. et sp., vol. 6, 
p. 20; Loefling, Reise nach den spanischen Landern, p. 152-153. 
Common in tropical America. 
Sesuvium L. 
S. PORTULACASTRUM L., Syst. nat., ed. 10, vol. 2, p. 1058 (1759); 
Griseb., Fl. Brit. W. Ind., p. 57; Rohrbach in Mart., Fl. Bras., vol. 
14, pt. 2, p. 310. — Juan Griego, Ernst. Venezuela: near Camana, 
HBK., Nov. gen. et sp., vol. 6, p. 86; Tortuga and Los Roques, 
Ernst; near La Guaira, Fendler, no. 62, Aug. 16, 1855. 
