576 GRAMINEAE. 
SoutH- Mexico, “ very common,” Fournier (Bourgeau, 445, 2594, 2637 ; Maller, 2125 ; 
Galeotti, 5824; Berlandier, 147, 621, 755); Nicaracua (Lévy). 
22. Eragrostis reptans, Nees, Agrostol. Bras. p. 514; Rupr. in Bull. Acad. 
Brux. ix. (reprint, p. 9); A. Gr. Man. Bot. Northern U.S. ed. 5, p.631; 8. Wats. Bot. 
Calif. ii. p. 314, et in Proc. Am. Acad. xviii. p. 181; Doll in Mart. Fl. Bras. ii. 3, 
p. 148; Griseb. Fl. Brit. W. Ind. p. 532. 
Poa reptans, Michx. Fl. Bor.-Am. 1. p. 69, t. 11; H. B. K. Nov. Gen. et Sp. i. p. 156. 
Poa hypnoides, Lam. Ill. i. p. 185. 
Megastachya reptans et M. hypnoides, Beauv. Agrostogr. p. 74; Fourn. Mex. Pl. Enum., Gram. 
p- 119. 
Canaba southward through Mexico and Cenrra, America to Braziuand in the West 
INDIES, very common. Hb. Kew. 
Closely allied to this species, and perhaps referable to it (some of them at least), are— 
Megastachya gowint, M. corymbifera, M. breviflora, and M. fasciculata, Fournier (Mex. 
Pl. Enum., Gram. pp. 119 et 120), none of which we have seen. 
[Eragrostis secundiflora, Presl (Reliq. Henk. i. p. 276); Eragrostis simplicifiora, 
Steud. (Gram. p. 178), syn. Megastachya simpliciflora, Presl (Reliq. Henk. i. p. 283) ; 
Eragrostis uninervia, Steud. (Gram. p. 278), syn. Megastachya uminervia, Presl 
(Relig. Hank. i. p. 283); and Eragrostis virescens, Presl (loc. cit. p. 277), are all 
obscure plants. | 
23. Eragrostis virletii, Fourn. Mex. Pl. Enum., Gram. p. 116. 
NortH Mexico, San Luis Potosi (Virlet d Aoust). 
88. ORTHOCLADA. 
Orthoclada, Beauv. Agrostogr. p. 69, t. 14. fig. 9; Benth. et Hook. Gen. Plant. iii. p- 1190. 
A monotype. 
1. Ortheclada rariflora, Beauv. Agrostogr. p. 70; Déll in Mart. Fl. Bras. ii. 35 
p- 117, t. 35. 
Panicum rariflorum, Lam. Encycl. iv. p. 746. 
Orthoclada lava, Kunth, Revis. Gram. t. 71; Griseb. Fl. Brit. W. Ind. p- 5381; Fourn. Mex. PI. 
Enum., Gram. p. 123. 
Poa rariflora et P. subumbellaia, Roem. et Schult. Syst. Veg. ii. p. 570. 
SourH Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 952); Panama, Chagres 
(Fendler, 380), Empire Station (8. Hayes, 479)—Prru; Guiana; Braziu; West 
Inpies. Hb. Kew. 
89. ZEUGITES. 
Zeugites, Schreb. Gen. Plant. p. 810; Benth. et Hook. Gen. Plant. iii. p- 1191. 
An exclusively Tropical American genus of about six species, ranging from Mexico 
and the West Indies to Colombia. 
