COMPOSITZ. 157 
1. Aganippea bellidifiora, DC. Prodr. vi. p. 3; Calg. des Dess. Fl. Mex. 700; 
Hook. Ic. Pl. t. 1117. 
Heliogenes longifolia, Benth. Pl. Hartw. p. 42. 
NortH MExico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 430); 
Sourn Mexico, Regla (Hartweg, 323), near the city of Mexico (Berlandier, 363), Tacu- 
baya (Bourgeau, 145). Hb. Kew. 
2. Aganippea dentata, DC. Prodr. vi. p. 3. 
South Mexico, Regla (Hartweg, 322), near the city of Mexico (Berlandier, 901). 
Hb. Kew. 
95. RUMFORDIA. 
Rumfordia, DC. Prodr. v. p. 549; Benth. et Hook. Gen. Plant. ii. p. 359. 
A shrubby monotype. 
1. Rumfordia floribunda, DC. Prodr. v. p. 550; Deless. Ic. Sel. iv. t. 30. 
Sovra Mexico, Orizaba (Botteri, 1100), Cordillera of Oaxaca, 7000 feet (Galeotti, 
2020), without locality (Hahn). Hb. Kew. 
96. SIEGESBECKIA. 
Siegesbeckia, Linn. Gen. Plant. n. 973; Benth. et Hook. Gen. Plant. ii. p. 359. 
Glandular annual herbs. Bentham and Hooker (doc. cit.) reduce the species to two— 
one widely dispersed in warm countries, and the other American. 
1. Siegesbeckia flosculosa, L’Hérit. Stirp. Nov. p. 37, t. 19. 
Siegesbeckia agrestis, Poepp. et Endl. Nov. Gen. et Sp. t. 256. 
GuaTEMALA, Coban (Tiirckheim, 387).—Prrvu. Hb. Kew. 
2. Siegesbeckia orientalis, Linn. Sp. Pl. p. 1269; Hort. Cliff. t. 23. 
Siegesbeckia cordifolia, H. B. K. Nov. Gen. et Sp. i. p. 288. 
Siegesbeckia jorullensis, H. B. K. loc. cit. p. 284; Bot. Reg. t. 1061. 
Siegesbeckia droseroides, Sweet, Brit. Fl. Gard. t. 203. 
Generally dispersed in warm countries, and common in Mexico and CENTRAL AMERICA. 
Hb. Kew. 
97. JZIGERIA. 
Jegeria, H. B. K. Nov. Gen. et Sp. iv. p. 277; Benth. et Hook. Gen. Plant. ii. p. 360. 
An exclusively American genus of herbs, ranging from Mexico to Buenos Ayres. 
About six species are known. 
1. Jegeria hirta, Less. Syn. p. 223; DC. Prodr. v. p. 544. 
Acmella hirta, Lag. Nov. Gen. et Sp. p. 30. 
Sour Mexico, valley of Cordova (Bourgeau, 50, 1553), Cordillera of Vera Cruz 
