292 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
CAPPARIDACEAE. 
Capparis sp. — No. 1. 
Capparis stenosepala Urb. — No. 2. On Margarita also. 
LEGUMINOSAE. 
Caesalpixia coriaria (Jacq.) Willd. — No. 3. On Margarita 
also. 
Cassia hispidula Vahl, Eclog. Am., vol. 3, p. 10 (1807); Mart., 
Fl. Bras., vol. 15, pt. 2, p. 131. — No. 4. Further distribution, 
Mexico. 
PiTHECOLOBiUM UNGUis-CATi (L.) Benth. — No. 11. A tree, 
3 m. high, top wide-spreading. On Margarita also. 
Stylosanthes viscosa Sw. — No. 6. On Margarita also. 
ZoRNiA BRACTEATA (Walt.) Gmel., Syst., p. 1096 (1791). — Anony- 
mos hracteata Walt., Fl. Car., p. 181 (1788). — No. 5. Further dis- 
tribution. North America and South Africa. 
ZYGOPHYLLACEAE. 
GuAJACUM OFFICINALE L. — No. 19. On ^Margarita also. 
SIMARUBACEAE. 
Castela Nicholsoni Hook. — On Margarita also. 
EUPHORBIACEAE. 
Argithamnia cochensis Johnston, Proc. Amer. acad. arts and 
sci., vol. 40, p. 688 (1905).— No. 12. Endemic. 
Croton flavens L. — No. 7. On Margarita also. 
Jatropha gossypifolia L. — On Margarita also. 
J. URENS, var. stimulosa Muell. Arg. — On Margarita also. 
MALVACEAE. 
Pavonia cochensis Johnston, Proc. Amer. acad. arts and sci., vol. 
40, p. 690 (1905).— No. 18. Endemic. 
STERCULIACEAE. 
Waltheria AMERICANA L. — No. 24. On Margarita also. 
