JOHNSTON: FLORA OF MARGARITA ISLAND. 237 
BOMBACACEAE. 
BOMBAX L. 
B. CUMANENSE HBK., Nov. gen. et sp., vol. 5, p. 300 (1821). — Santa 
Ana, Ernst. Venezuela: near Cumana, HBK., /. c. There are 
several Bombax trees occurring in El Valle, but no specimens were 
collected. 
STERCULIACEAE. 
GuAZUMA Adans. 
G. ULMiFOLiA Lam., Encycl., vol. 3, p. 52 (1789); Griseb., Fl. Brit. 
W. Ind., p. 91. — Santa Ana, Ernst. Distributed from Cuba to Brazil. 
Helicteres L. 
H. BARUENSis Jacq., Enum. pi. Carib., p. 30 (1760), and Hist. Stirp. 
Am., p. 236; Schumann in Mart., Fl. Bras., vol. 12, pt. 3, p. 20.— 
Santa Ana, Ernst. Venezuela: Vargas, Flora, p. 192. Further dis- 
tribution, tropical x\merica. 
Melochia L. 
M. TOMENTOSA L., Syst. nat., ed. 10, vol. 2, p. 1140 (1759); Griseb., 
Fl. Brit. W. Ind., p. 93.— Santa Ana, Ernst; El Valle, Miller & John- 
ston, no. 44, July 5; Juan Griego trail, Johnston, no. 56, July 31. 
Shrub, 1 m. high; flowers pink or purplish. Venezuela: near Cumana, 
HBK., Nov. gen. et sp., vol. 5, p. 323; Caracas, Birschel; Colonia 
Tovar, Fendler, no. 2289, 1856-57. Further distribution, tropical 
America. 
Waltheria L. 
W. AMERICANA L., Sp. pi., vol. 2, p. 673 (1753); Griseb., Fl. Brit. 
W. Ind., p. 95.— El Valle, Miller & Johnston, no. 202, July 8. Vene- 
zuela: near Bordones and Cumana, HBK., Nov. gen. et sp., vol. 5, 
p. 333; Colonia Tovar, Fendler, nos. 110 and 112, 1854-55. Widely 
distributed in tropical countries. 
MARCGRAVIACEAE. 
Caracasia Szyszyl. 
C. tremadena (Ernst) Szyszyl. in Engl, et Prantl, Natiirl. Pflan- 
zenfam., vol. 3, pt. 6, p. 164 (1893). Vargasia tremadena Ernst, Var- 
