572 GRAMINEZ. 
[Phragmites martinicensis, Trin., syn. Arundo occidentalis, Sieb., a variety of P. com- 
munis, or a closely allied species, is recorded by Grisebach (Fl. Brit. W. Ind. p. 530) 
from Mexico. | 
85. MONANTHOCHLOE. 
Monanthochloe, Engelm. in Trans. Acad. Sc. St. Louis, 1857, p. 436; Benth. et Hook. Gen. Plant. 
iii. p. 1180. 
A monotype. 
1. Monanthochloe littoralis, Engelm. in Trans. Acad. St. Louis, 1859, p. 436, 
tt. 13 et 14; Vasey, Grasses U.S. p. 36. 
Fioripa ; Texas; Sour Catirornta.—Norru MExico, region of Matamoras (Berlan- 
dier, 3227). Hb. Kew. 
It is a little uncertain whether this remarkable littoral grass has been collected in 
Mexico proper; but we include it, as Matamoras itself is south of the Rio Grande. 
[Munroa squarrosa, Torr. (Bot. Whipple’s Exped. p. 102, errore Monroa), found in 
Texas, New Mexico, and Colorado, is another very distinct and remarkable grass which 
may be expected to occur within our northern limits. ] 
86. DISSANTHELIUM. 
Dissanthelium, Trin. in Linnea, x. p. 8305; Benth. et Hook. Gen. Plant. iii. p. 1185. 
Two or three species, inhabiting Andine America from Bolivia to California. 
1. Dissanthelium sclerochloides, Fourn. Pl. Enum., Gram. p. 112. 
Norra Mexico, San Luis Potosi (Virlet d’Aoust); Souru Mextco, Nevada de Toluca 
(Hahn).—Cui.. 
87. ERAGROSTIS. 
Eragrostis, Beauv. Agrostogr. p. 70, t. 14. fig. 11; Benth. et Hook. Gen. Plant. iii. p. 1186. 
This genus comprises about 100 species, very widely spread in tropical and temperate 
regions ; two or three of them are almost everywhere in the warm regions. In this, as 
in many other genera, Fournier has made a number of new species, which we have not 
seen. 
1. Eragrostis acutifiora, Nees, Agrostol. Bras. p. 501; Doll in Mart. FI. Bras. 
ii. 8, p. 145; Nees in Seem. Bot. Voy. ‘ Herald,’ p. 225. 
Poa acutiflora, H. B. K. Nov. Gen. et Sp. i. p. 161. 
Megastachya acutiflora, Roem. et Schult. Syst. Veg. ii. p. 588. 
Panama, near the city of Panama (Seemann, 119).—CotomBia to Brazin. Hb. Kew. 
2. Kragrostis amoena, Presl, Relig. Henk. i. p. 275; Steud. Gram. p. 277? 
Poa henkei, Kunth, Enum. Pl. i. p. 348 ? 
Megastachya amena, Fourn. Mex. Pl. Enum., Gram. p. 118. 
