52 
MISSOURI BOTANICAL GARDEN. 
Muhlenbergia grandis Vasey Contrib. U. S. Nat. Herb. 
1: 283 (1893) is identical with this species. The Muh- 
lenbergia which is common in New Mexico and Arizona 
and which has been referred to M. distichophylla by most 
American authors (Vasey in Bot. Wheeler 283 and in 
Contrib. U. S. Nat. Herb. 3:66), is a very distinct 
species and may be named MUHLENBERGIA VASEYANA 
Scribn. newname. M. emersleyi Vasey in Contrib. Nat. 
Herb. 8: 66 (1892) differs only in being somewhat more 
robust and in having the empty glumes distinctly longer 
than the flowering glume which is more hairy on the 
back. — Plate 28. 
PoposaEMUM TENUISsIMuM J.S. Presl in C. B. Presl Reliq. 
Haenk. 1:230 (1830). ‘Hab. in Panama et in 
Mexico.’’ = Muhlenbergia tenuissima Kunth Enum. Pl. 1: 
198. Muhlenbergia nebulosa Scribn., in Beal Grasses N. 
Am. 2: 247 (1896) is a synonym. — Plate 29. 
Poconopsis TENERA J. S. Preslin C. B. Presl Reliq. Haenk. 
1:333. tab. 46. The locality ‘* Hab. in Mexico”’’ is 
probably an error as the grass is an East Indian species. 
Presl’s specimens were probably collected in the Philip- 
pines. Hackel reduces P. éenera Presl to a variety of P. 
saccharoideum Beauv. 8 monandrum Hack. in DC. 
Monog. Phanerog. 6 : 193. Pollinia monandra Spreng., 
Andropogon crinitus Thunb. and Pogonatherum refractum 
Nees are synonyms. — Plate 2. 
Saccuarum spicatum J. S. Presl in C. B. Presl Reliq. 
Haenk. 1: 346 (1830). ‘* Hab. in insula Luzonia.’’? = 
Imperata arundinacea var. koenigii Hack. in DC. 
Monog. Phan. 6:94. J. koenigii Benth. Flor. Hongk. 
p. 419. — Plate 1. 
SETARIA GLOBULARIS J. S. Presl in C. B. Presl Reliq. 
Haenk. 1: 314 (1830). <‘* Hab. insularis Philippinis.’’ 
There are three species on the sheet. One is CHarto- 
CHLOA CAUDATA (Lam.) Scribn. new name, Panicum 
caudatum Lam., and is matched in the Nat. Herb. by 
oe ee 
