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210 COMPOSITZ. 
150. ROSILLA. 
Rosilla, Less. Syn. Comp. p. 245; Benth. et Hook. Gen. Plant. il. p. 397. 
An obscure genus, founded upon a garden plant stated to be of Mexican origin. 
1. Rosilla lutea, Less. Syn. Comp. p. 245. 
MEXICco. 
151. LAPHAMIA. 
Laphamia, A. Gr. Pl. Wright. i. p. 99, t. 9; Benth. et Hook. Gen. Plant. ii. p. 398. 
A genus of about a dozen species of undershrubs and herbs inhabiting Mexico and 
the adjoining countries to the north. 
1. Laphamia aglossa, Benth. et Hook. Gen. Pl. ii. p. 398. 
Perityle aglossa, A. Gr. Pl. Wright. 11. p. 107. 
Norra Mexico, Presidio del Norte, Chihuahua (Parry). Hb. Kew. 
2. Laphamia coronopifolia, Hemsley. 
Perityle coronopifolia, A. Gr. Pl. Wright. ii. p. 82. 
New Mexico.—Norta Mexico, Sonora (Schott). 
3. Laphamia lemmoni, A. Gr. in Proc. Amer. Acad. xvi. p. 101. 
N. rta Mexico, Tucson, 8. Arizona (Lemmon). 
4, Laphamia parryi, Benth. et Hook. Gen. Pl. ii. p. 398. 
Perytile parryi, A. Gr. Pl. Wright. 11. p. 106. 
NortH Mexico, Chihuahua (Parry). 
5. Laphamia, sp. | 
Mexico (Coulter, 277). Hb. Kew. 
152. PERITYLE. 
Perityle, Benth. Bot. Voy. ‘Sulphur,’ p. 23, t. 15; Benth. et Hook. Gen. Plant. ii. p. 398. 
Four herbaceous species, three of them inhabiting California. 
1. Perityle microglossa, Benth. Bot. Voy. ‘Sulphur,’ p. 119. 
Nicaraaua, Realejo (Sinclair). Hb. Kew. 
It is possible that this also is a native of California, and not of Central America. 
153. OXYPAPPUS. 
Oxypappus, Benth. Bot. Voy. ‘Sulphur,’ p. 118; Benth. et Hook. Gen. Plant. i. p. 398. 
An herbaceous monotype. 
1. Oxypappus scaber, Benth. Bot. Voy. ‘Sulphur,’ p. 118, t. 42. 
Chrysopsis? scaber, Hook. et Arn. Bot. Beech. Voy. p. 434. 
Pectis seemannii, Schz. Bip. in Seem. Bot. Voy. ‘ Herald,’ p. 309. 
Norra Mexico, Sierra Madre and Cerro de Pinal (Seemann, 2038, 1470); Sourn 
Mexico, San Blas to Tepic (Sinclair), Cordillera of Oaxaca, 5000 to 6000 feet (Galeottr, 
2057). Hb. Kew. | | | 
