GRAMINEA. 521 
2. Hlionurus tripsacoides, H. B. K. Nov. Gen. et Sp. i. p. 192, t. 62; Kunth, 
Enum. Pl. i. p. 480; Ch. et Schl. in Linnea, vi. p. 40; Fourn. Mex. Pl. Enum., Gram. 
p. 67. 
Norta Mexico, San Luis Potosi ( Virlet d’ Aoust); Soura Mexico, near Jalapa (Schiede 
& Deppe).—CotomBia ; VENEZUELA. 
35. ROTTBOELLIA. 
Rottboellia, Linn. f. Nov. Gram. Gen. in Amoen. Acad. x. p. 22, pro parte; Benth. et Hook. Gen. 
Plant. iii. p. 1129. 
About eighteen species widely spread in the warmer regions. 
1. Rottboellia glabrata, Benth. in Journ. Linn. Soc, xix. p. 69. 
Apogonia glabrata, Fourn. Mex. Pl. Enum., Gram. p. 63. 
Sout Mexico, Orizaba (Bourgeau, 2757; Schaffner; Miller, 2088), Mirador and 
Cordova (Schaffner).—Martiniquz. Hb. Kew. 
2. Rottboellia ramosa, Benth. in Journ. Linn. Soc. xix. p. 69. 
Apogonia ramosa, Fourn. Mex. Pl. Enum., Gram. p. 63. 
Sourn Mexico, Rio Blanco (Bourgeau, 2647), Orizaba (Botteri), Mirador (Schaffner), 
Hb. Kew. 
Fournier also records this from the United States, and there are specimens in the 
Kew Herbarium of what may be the same species from Trinidad. 
[ Rottboellia stigmosa, Trinius ex Rupr. in Bull. Acad. Brux. ix. (reprint, p. 17), from 
Zacuapan and Mirador (Galeotti, 5801) is unknown to us. | 
36. MANISURIS. 
Manisuris, Linn. Mant. p. 164. n. 1884; Benth. et Hook. Gen. Plant. iii. p. 1180. 
A monotypic genus. 
1. Manisuris granularis, Swartz, Prodr. p. 25; Doll in Mart. Fl. Bras. ii. 2, 
p. 330, t.46; Griseb. Fl. Brit. W. Ind. p. 557; Fourn. Mex. Pl. Enum., Gram. p. 67. 
SouTH-EASTERN NortH America, Mexico, and Cenrran AMsRIcA, and very widely 
diffused in the WARMER REGIONS of both hemispheres, though it appears to be rare in 
Australia, being only recorded from two or three localities in Queensland and North 
Australia. 
37. HEMARTHRIA. 
Hemarthria, R. Br. Prodr. Fl. Nov. Holl. p. 207; Benth. et Hook. Gen. Plant. iii. p. 1181. 
Bentham and Hooker say there are scarcely three distinct species, which are widely 
spread in the warmer parts of the Old World, especially in maritime districts, extending 
to the Mediterranean region; rarer in America. 
BIOL. CENTR.-AMER., Bot. Vol. III., November 1885. 34 
