230 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
July 13. Venezuela: Cumana, Loefling, Reise nach den spanisehen 
Landern, p. 152-153. Further distribution, Cuba to Venezuela and 
Panama. 
HURA L. 
H. CREPITANS L., Sp. pi., vol. 2, p. 1006 (1753); Griseb., Fl. Brit. 
W. Ind., p. 50; Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 2, p. 632.— 
Asuncion, Ernst. Further distribution, Cuba, Brazil. 
Jatropha L. 
J. CuRCAS L., Sp. pi., vol. 2, p. 1006 (1753); Griseb., Fl. Brit. W. 
Ind., p. 36; Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 2, p. 487.— 
Santa Ana, Ernst; El Valle, Miller & Johnston, no. 237, July 24. 
Venezuela: Nova Andalusia, HBK., Nov. gen. et sp., vol. 2, p. 104. 
Distribution general in tropics. 
J. GOSSYPiFOLiA L., Sp. pi., vol. 2, p. 1006 (1753); Griseb., Fl. 
Brit. W. Ind., p. 36; Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 2, 
p. 491; Urb., Symb. Ant., vol. 4, p. 350. — Santa Ana, Ernst; El 
Valle, Miller & Johnston, no. 27, July 11. Venezuela: near Cumana 
and La Guaira, HBK., Nov. gen. et sp., vol. 2, p. 104. Distribution 
general in tropical America. 
J. urens L., Sp. pi.; vol. 2, p. 1007 (1753), var, stimulosa (Michx.) 
Muell. Arg. in DC, Prod., vol. 15, pt. 2, p. 1101 (1862). J. stimulosa 
Michx., Fl., vol. 2, p. 216 (1803).- Santa Ana, Ernst; El Valle, 
Miller & Johnston, no. 48, July 8; Johnston, no. 57, Aug. 3. Vene- 
zuela: near Cumana, HBK., Nov. gen. et sp., vol. 2, p. 106. La 
Guaira, Robinson & Lyon, July 12, 1900. Common in American 
tropics. 
Manihot Adans. 
M. UTiLissiMA Pohl, PI. Bras. Ic, vol. 1, p. 32, pi. 24 (1827); 
Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 2, pp. 457, 707; Urb., 
Symb. Ant., vol. 4, p. 350. Janipha Manihot HBK., Nov. gen. et 
sp., vol. 2, p. 108 (1817); Griseb., Fl. Brit. W. Ind., p. 37.— El Valle, 
Miller & Johnston, no. 102, July 24. Widely cultivated in the hills 
and on the plain by Asuncion. Commonly cultivated in American 
tropics and subtropics. 
Pedilanthus L. 
P. TiTHYMALOiDES (L.) Poit., Ann. mus. Par., vol. 19, p. 390, pi. 
19 (1812); Griseb., Fl. Brit. W. Ind., p. 52. Euphorbia tithymaloides 
