COMPOSITA. 2138 
Queretaro (Berlandier), Chapultepec (Bilimek); Guatema.a, Llano de San Juan de Dios 
(Bernoulli, 185). Hb. Kew. 
6. Schkuhria wislizenii, A. Gr. Pl. Fendl. p. 96. 
Nortu Mexico, Cosiquiriachi, Chihuahua ( Wislizenus). 
7. Schkuhria wrighti, A. Gr. Pl. Wright. ii. p. 96. 
NortH Mexico, Sonora (Thurber, Wright). Tb. Kew. 
159. HYMENOTHRIX. 
Hymenothriz, A. Gr. Pl. Fendl. p. 102; Benth. et Hook. Gen. Plant. ii. p. 408. 
Limited to the following species, which are herbaceous plants. 
1. Hymenothrix wislizenii, A. Gr. Pl. Fendl. p. 102. 
New Mexico.—Nortu Mexico, Ojo de Gallejo, between El Paso del Norte and 
Chihuahua (Wislizenus). 
2. Hymenothrix? wrightii, A. Gr. Pl. Wright. ii. p. 97. 
New Mexico.—Nortu Mexico, Chiricahui, Sonora (Wright), Camp Grant, 8. Arizoza- 
(Rothrock). Ub. Kew. 
160. VILLANOVA. 
Villanova, Lag. Elench. Hort. Matr. Gen. et Sp. Nov. p. 31, non Ort.; Benth. et Hook. Gen. Plant. 
li. p. 404. . 
About half a dozen herbaceous species, inhabiting the country from Mexico to Peru. 
1. Villanova achillzoides, Less. Syn. Comp. p. 256; DC. Prodr. vi. p. 75. 
Unxia achilleoides, Less. in Linnea, v. p. 159. 
SoutH Mexico, Llano de Perote (Schiede & Deppe). 
[Villanova oppositifolia, Lag., does not appear to be a Mexican plant, but a native 
of South America, from Colombia to Bolivia. | 
2. Villanova pratensis, Benth. et Hook. Gen. Plant. ii. p. 405. 
Chlamysperma pratense, Less. Syn. Comp. p. 256. 
Unzia pratensis, H. B. K. Nov. Gen. et Sp. iv. p. 279, t. 401. 
Chlamysperma arenarioides, Hook. et Arn. Bot. Beech. Voy. t. 64. 
SoutH Mexico, Jalisco (Beechey), Capula and Valladolid at about 6300 feet (Humboldt 
& Bonpland), Colima, 4000 feet (Galeotti, 2449); Satvapor, Sonsonate (Bernoulli, 26) ; 
Nicaragua (Grsted, 113; Lévy, 140). Hb. Kew. 
161. FLORESTINA. 
Florestina, Cass. in Bull. Philom. 1815; Benth. et Hook. Gen. Plant. ii. p. 405. 
Two herbaceous species, confined to the Mexican region. 
