COMPOSIT A. 167 
1. Isocarpha divaricata, Benth. Bot. Voy. ‘Sulphur,’ p. 110, t. 41. 
GuaTEMALA (Friedrichsthal) ; Nicaragua (Grsted)—CotomBiaA; Peru. Hb. Kew. 
2. Isocarpha echioides, Less. in Linnea, v. p. 141, t. 2. figg. 14-16. 
Soura Mexico, near Hacienda de la Laguna (Schiede & Deppe). 
3. Isocarpha oppositifolia, R. Br. in Trans. Linn. Soc. xii. p. 110; DC. Prodr. 
v. p. 107. , 
Dunantia achyranthes, DC. Prodr. vii. p. 291; Deless. Ic. Sel. iv. t. 87. 
Nortu Mexico, San Luis Potosi to Tampico (Palmer, 1095); Sourn Mexico, Conso- 
quitla (Liebmann, 458), Acapulco (Barclay); Honpuras, Gulf of Fonseca (Sinclair) ; 
Nicaragua (@rsted).—Banamas; JAMAICA; TRINIDAD; VENEZUELA. Hb. Kew. 
109. RUDBECKIA. 
Rudbeckia, Linn. Gen. Plant. n. 980; Benth. et Hook. Gen. Plant. ii. p. 365. 
An exclusively American genus of herbs, comprising about twenty-five species, all 
inhabiting North America. 
1. Rudbeckia columnaris, Pursh, Fl. Bor.-Am. ii. p. 575; Bot. Mag. t. 1601. 
Obeliscaria columnaris, DC. Prodr. v. p. 559. 
SASKATCHEWAN, southward to Trexas.—Norta Mexico, without locality (Gregg, 339). 
Hb. Kew. 
110. CHROMOLEPIS. 
Chromolepis, Benth. Pl. Hartw. p. 40; Benth. et Hook. Gen. Plant. ii. p. 366. 
An herbaceous monotype. 
1. Chromolepis heterophylla, Benth. Pl. Hartw. p. 40. 
SoutH Mexico, Anganguio (Hartweg). Hb. Kew. 
111. WULFIA. 
Wulfia, Neck. Elem. i. p. 35 ; Benth. et Hook. Gen. Plant. ii. p. 367. 
About six herbaceous species, restricted to Tropical America. 
1. Wulfia platyglossa, DC. Prodr. v. p. 563. 
Chakiatella platyglossa, Cass. Dict. xlvi. p. 4038. 
Panama, Lion Hill (S. Hayes, 383).—Gutana; Braziz. Hb. Kew. 
112. MIRASOLIA. 
Mirasolia, Schz. Bip. in Seem. Bot. Voy. ‘Herald, p. 305 (sub Tithonia calva) ; Benth. et Hook. 
Gen. Plant. i. p. 367. 
