JOHNSTON: FLORA OF MARGARITA ISLAND. 269 
Synedrella Gaertn. 
S. NODiFLORA Gaertn., Fruct., vol. 2, p. 456, pi. 171 (1791); Griseb., 
Fl. Brit. W. Ind., p. 377. — Santa Ana, Ernst. Distribution genera 
in tropical America. 
Trixis p. Br. 
T. RADiALE (L.) Lag., Amen, nat., vol. 1, p. 36, in obs. (1811), 
combination implied but not specifically made; Hook. f. & Jacks., 
Ind. Kew., vol. 2, p. 1131 (1895). Perdicium radiale L., Sp. pi., ed. 2, 
vol. 2, p. 1248 (1763). Trixis frutescens P. Br. ex Spreng., Syst., 
vol. 3, p. 501 (1826); Griseb., Fl. Brit. W. Ind., p. 383; Ernst, JBot. 
Excurs. Margarita, p. 6. — Santa Ana, Ernst; El Valle, Miller & 
Johnston, no. 24, Aug. 1. Widely distributed in tropical America. 
Verbesina L. 
V. alata L., Sp. pi., vol. 2, p. 901 (1753); Griseb., Fl. Brit. W. Ind., 
p. 374; Sims., Bot. mag., pi. 1716. — Santa iVna, Ernst. Distribution 
general in tropical x\merica. 
Vernonia Schreb. 
V. arborescens (L.) Sw., Fl. Ind. Occ, vol. 3, p. 1320 (1806); 
Griseb., Fl. Brit. W. Ind., p. 353; Plum., Ic. Burm., pi. 130, fig. 2. 
Conyza arborescens L., Syst. nat., ed. 10, vol. 2, p. 1213 (1759). — San 
Juan Mt., alt. 500 m., Johnstoji, no. 96, July 19. Flowers blue; 
stem 2-3 m. high. Distribution general in tropical America. 
V. MiLLERi Johnston, Proc. Araer. acad. arts and sci., vol. 40, p. 
698 (1905).— Summit of South Hill, alt. 300 m.. Miller & Johnston, 
no. 254, July 31, and Johnston, no. 329, Aug. 31. Endemic. 
V. scorpioides (Lam.) Pers., Syn., vol. 2, p. 404 (1807); Griseb., 
Fl. Brit. W. Ind., p. 353. Conyza scorpioides Lam., Encycl., vol. 2, 
p. 88 (1786).— El Valle, Miller & Johnston, nos. 133, 134, July; 
Juan Griego trail, Johnston, nos. 322, 323, July. Venezuela; Cara- 
cas, according to Sch. Bip., Linnaea, vol. 20, p. 510. Further dis- 
tribution, Trinidad and tropical South America. 
Wedelia Jacq. 
W. buphthalmoides Griseb., Goett. Abh., vol. 7, p. 235 (1857). — 
El Valle, Miller & Johnston, nos. 145, 146, and 147, July and Aug. 
