COMPOSITZ. 127 
Herba annua, erecta, gracilis, striata, a basi racemosa, ramis parce farinoso-pilosis. Folia sessilia 
suberecta, linearia vel lineari-lanceolata, 4-14 poll. longa, acuta vel obtusa, integra vel pauci- 
dentata, precipue margine farinoso-pilosa. Capitula multiflora, vix 2 lineas diametro, in 
corymbos compositos densos terminales aggregata; involucri bractez subbiseriate, lineari- 
subulatz, tenues, subscarioss ; receptaculum concavum, foveolatum, foveolis integris ; corolle 
glabree. Achenia compressa, oblonga, enervia, parce appresse hirsuta; pappi albi setz uni- 
seriatze, scabride. 
Nortu Mexico, San Luis Potosi (Schaffner, 221; Parry & Palmer, 396). Hb. Kew. 
Closely allied to the common Indian C. absinthifolia, DC., but differing in the kind 
of hairiness in the expanded receptacle and in the pappus. 
13. Conyza obtusa, H. B. K. Nov. Gen. et Sp. iv. p. 71. 
South Mexico, between the city of Mexico and Toluca, at about 8000 feet (Hum- 
boldt & Bonpland; Berlandier, 537; Andrieux, 274). Hb. Kew. 
14. Conyza panamensis, Willd. Sp. Pl. iii. p. 1942. 
PANAMA. 
15. Conyza? (Lennecia parvifolia, DC. Prodr. v. p. 376). 
Sout Mexico, around Toluca (Berlandier, 1124). 
16. Conyza sophizfolia, H. B. K. Nov. Gen. et Sp. iv. p. 72, t. 326. 
Conyza pulchella, H. B. K. Nov. Gen. et Sp. iv. p. 72. 
NortH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 397, 
399), Zacatecas (Coulter, 283); Souta Mexico, between Chalco and Lake Tezcuco, and 
near Moran, 7000 to 8000 feet (Humboldt & Bonpland), Tacubaya (Bourgeau, 499), 
Cerro Leon (Liebmann, 515), Regla, at 6500 feet (Galeotti, 2427). Hb. Kew. 
17. Conyza subdecurrens, DC. Prodr. v. p. 379. 
Texas.—Nortu Mexico, Mount Graham, S. Arizona (Rothrock), region of San Luis 
Potosi, 6000 to 8000 feet (Parry & Palmer, 4014), without locality (Hanke, Graham, 
69). Hb. Kew. 
18. Conyza thesiifolia, H.B.K. Nov. Gen. et Sp. iv. p. 75. 
Mexico ? 
19. Conyza, sp. 
Sourn Mexico, Real del Monte (Coulter, 284, in part). Hb. Kew. 
20. Conyza, sp. 
Norru Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 424). 
Hb. Kew. 
21. Conyza, sp. 
Sout Mexico, Cafiada (Bilimek, 586), without locality (Bates, 5). Hb. Kew. 
