546 GRAMINEZ. 
6. Sporobolus humifusus, Kunth, Revis. Gram. i. p. 67, et Enum. Pl. i. 
p. 210. 
Vilfa humifusa, H. B. K. Nov. Gen. et Sp. i. p. 187; Trin. Agrostidea, ii. p. 69; Fourn. Mex. Pl. 
Enum., Gram. p. 97, cum var. 8. major. 
Nortu Mexico, San Luis Potosi (Virlet d Aoust) ; Soura Mexico, near Mexico (Bour- 
geau, 449; Schaffner), Cuernavaca (Schaffner), Vera Cruz (Gowin). 
Fournier reduces the Brazilian Vilfa arguta, Nees, to this, which Déll (Mart. FI. 
Bras. ii. 3, p. 32) retains as a distinct species. 
7. Sporobolus indicus, R. Br. Prodr. Fl. Nov. Holl. p. 170;. Benth. Fl. Austr. 
vil. p. 622; Griseb. Fl. Brit. W. Ind. p. 533; Hemsl. Bot. Chall. i. 1, p. 79. 
Agrostis indica, Linn. Sp. Pl. ed. 2, p. 94. 
Sporobolus elongatus, R. Br. loc. cit. 
Agrostis elongata, Lam. Ill. i. p. 162. 
Sporobolus lamarckit, Desv. in Hamilt. Prodr. Fl. Ind. Occ. p. 4. 
Sporobolus tenacissimus, Beauv. Agrostogr. p. 26; Kunth, Enum, PI. i. p. 211. 
Vilfa tenacissima, Trin. Sp. Gram. Ic. et Descr. t. 60, et Agrostidea, i. p. 73; D6llin Mart. FI. 
Bras. ii. 8, p. 36; Fourn. Mex. Pl. Enum., Gram. p. 99 (varietates a, 8, et ¥). 
Vilfa rupestris, Trin. Sp. Gram. Ic. et Descr. t. 59. 
Sporobolus minor, Kunth, Enum. Pl. i. p. 212. 
Vilfa exilis, Trin. Agrostidea, i. p. 67. 
Mexico and CenTRaL AMERICA, common, and generally dispersed in TropicaL and SuB- 
TROPICAL REGIONS of both hemispheres. Hb. Kew. 
8. Sporobolus minutiflorus, Link, Hort. Bot. Berol. i. p. 88; Kunth, Enum. Pl. 
1. p. 214. 
Vilfa minutiflora, Trin. Agrostidea, i. p. 63; Déll in Mart. Fl. Bras. ii. 3, p. 31; Fourn. Mex. Pl. 
Enum., Gram. p. 101, var. a et B. - 
Norta Mexico, San Luis Potosi (Virlet d’Aoust); Souta Mexico, Orizaba (Miller, 
2092), Consoquitla (Liebmann).—BRazIL. | 
9. Sporobolus noterophila, Hemsl. 
 Vilfa noterophila, Rupr. in Bull. Acad. Brux. ix. (reprint, p. 2), nomen tantum; Fourn. Mex. Pl. 
EKnum., Gram. p. 99, descriptio. 
Sourn Mexico, along rivulets, among cactuses, near Tehuacan de las Grandas, 
5500 feet (Galeotti, 5745). Hb. Kew. 
10. Sporobolus pilifera, Trin. Gram. Unifl. p. 157, et Sp. Gram. Ic. et Descr. 
t. 58; Rupr. in Bull. Acad. Brux. ix. (reprint, p. 2); Doll in Mart. Fl. Bras. ii. 3, 
p- 87; Fourn. Mex. Pl. Enum., Gram. p. 98. 
Sovurn Mexico, Totula, near Jalapa, 4000 feet (Galeott:, 5706), Orizaba (Bourgeau ; 
Bottert ; Schaffner), Dos Puentes (Liebmann).—BraziL; Inpia. Hb. Kew. 
11. Sporobolus plumbeus, Hemsl. 
Vilfa plumbea, Trin, Agrostidea, i. p. 76; Fourn. Mex. Pl. Enum., Gram. p. 101. 
Sporobolus depauperatus, Torr. ex Fourn. 
