228 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



A. ERUBESCENS Johiiston, Proc. Amer. acad. arts and sci., vol. 40, p. 

 689 (1905).— El Valle, Miller & Johnston, no. 213, July 22; Johnston, 

 no. 58, Aug. 21. Endemic. Plate 30, figs. 4, 4a-c, 5, 5a-c. 



Croton L. 



C. CHAMAEDRiroLius Lam., Encycl., vol. 2, p. 215 (1786); Griseb., 

 Fl. Brit. W. Ind., p. 41; Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 

 2, p. 271; Desc, Ant., vol. 7, p. 491. — Santa Ana, Ernst. Further 

 distribution. West Indies, Panama, Guiana. 



C. FLAVENS L., Syst. nat., ed. 10, vol. 2, p. 1276 (1759), and PI. Jam. 

 PugilL, p. 28; Griseb., Fl. Brit. W. Ind., p. 38.— El Valle, Miller & 

 Johnston, no. 38, July 15; Johnston, no. 45, Aug. 8. Further dis- 

 tribution, Jamaica, Trinidad, St. Thomas. 



C. GLANDULOSUS L., Syst. nat., ed. 10, vol. 2, p. 1275 (1759); 

 Griseb., Fl. Brit. W. Ind., p. 41; Muell. Arg. in Mart., Fl. Bras., 

 vol. 11, pt. 2, p. 267; Jacq., Ic, vol. 1, p. 104; Urb., Symb. Ant., 

 vol. 4, p. 343.— Hillside, El Valle, Miller & Johnston, no. 5, July 11. 

 Further distribution, temperate and tropical America. 



C. HELicoiDEUS Muell. Arg., Linnaea, vol. 34, p. 97 (1865-66). — • 

 El Valle, Miller & Johnston, no. 232, July 30; Johnston, no. 339, 

 Aug. 8. Found also in St. Vincent. 



C. LOBATUS L., Sp. pL, vol. 2, p. 1005 (1753); Griseb., Fl. Brit. W. 

 Ind., p. 42; Muell. Arg. in Mart., Fl. Bras., vol. 11, pt. 2, p. 237; 

 Urb., Symb. Ant., vol. 4, p. 343.— Santa Ana, Ernst; El Valle, Miller 

 & Johnston, no. 120, July 16. Venezuela: near Bordones, HBK., 

 Nov. gen. et sp., vol. 2, p. 90. Distribution general in tropical 

 America. 



C. MARGARiTENSis Johnston, Proc. Amer. acad. arts and sci., vol. 

 40, p. 689 (1905). — Among shrubs near summit of San Juan INIt., 

 alt. 700 m., Johnston, no. 50, Aug. 28. Endemic. Plate 30, figs. 3 

 and 3a. * 



C. Milleri Johnston, Proc. Amer. acad. arts and sci., vol. 40, p. 690 

 (1905).— El Valle, Miller & Johnston, no. 229, July 18; Johnston, 

 no. 48, Aug. 10. Common on the plains between El Valle and Pt. 

 Mosquito. Endemic. Plate 30, figs. 2, 2a-d. 



C. NiVEUS Jacq., Enum. pi. Carib., p. 32 (1760); Griseb., Fl. Brit. 

 W. Ind., p. 40. — Santa Ana, Ernst; El Valle, Miller & Johnston, no. 

 107, July 20. Further distribution, Jamaica, Dominica, Colombia. 



C. OVALIFOLIUS Vahl in West, Bidr. Ste. Croix, p. 307 (1793); 



