HITCHCOCK—MEXICAN GRASSES. 887 
1. Arundinaria acuminata Munro, Trans. Linn. Soc. Bot. 26: 25. 1868. 
Type locality, “‘Mexico, Dep. Vera Crua,’’ the type specimen collected by Lieb- 
mann (no. 73). 
RanGeE: Known only from Veracruz. 
HERBARIUM SPECIMEN: 
Veracruz: Xalcomulco, Liebmann 127. 
2. Arundinaria longifolia Fourn. Mex. Pl. 2: 131. 1886. 
Type locality, ‘‘Jicaltepec,”’ the type specimen collected by Liebmann. 
Rance: Central to southern Mexico. 
HERBARIUM SPECIMENS: 
Duranao: Huasemote, Rose 3494. 
Tepic: Between Pedro Paulo and San Blascito, Rose 3344, 
San Luis Potosi: Rascén, Palmer 650 in 1905. 
Oaxaca: Las Sedas, wet calcareous bluffs, Pringle 6742. 
131. ARTHROSTYLIDIUM Rupr. Mém. Acad. St. Pétersb. VI. Sci. Nat. 3%: 
117. 1839. 
1. Arthrostylidium racemiflorum Steud. Syn. Pl. Gium. 1: 336. 1854. 
Type locality, “‘Mexico,”’ the type specimen collected by Ghiesbreght (no. 234). 
Rance: Southern Mexico. 
HERBARIUM SPECIMENS: 
VERACRUZ: Mirador, Nelson 78, Liebmann 126. Zacuapan, Liebmann 144; moist 
forest banks, Purpus 2892. 
132. CHUSQUEA Kunth, Syn. Pl. Aequin. 1: 254. 1822. 
KEY TO THE SPECIES. 
Branchlets pubescent; base of sheath tumid.......................-- 1. C. nelsoni. 
Branchlets glabrous; base of sheath not tumid...................... 2. C. bilimeki. 
1. Chusquea nelsoni Scribn. & Smith, U.S. Dept. Agr. Div. Agrost. Bull. 4: 16. 
1897. 
Type locality, ‘‘between Chilapa and Tuxtla, Guerrero,’’ the type specimen col- 
lected by Nelson (no. 2612). 
Ranae: Known only from the type collection. 
2. Chusquea bilimeki Fourn. Mex. Pl. 2: 132. 1886. 
Type locality, ‘‘In convalle Mexicensi,’’ the type specimen collected by Bilimek. 
Rance: Known only from the type locality. : 
HERBARIUM SPECIMEN: 
México: Valley of Mexico, Bilimek 448. 
133. BAMBOS Retz. Obs. Bot. 5: 24. 1789, 
1. Bambos aculeata (Rupr.). 
Guadua aculeata Rupr.; Fourn. Mex. Pl. 2: 130. 1886. 
Type locality, ‘‘Colipa.”’ ' 
RanGeE: Southeastern Mexico. 
HERBARIUM SPECIMEN: 
Veracruz: Colipa, Liebmann 136. 
