110 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
MUHLENBERGIA. 
Lemmas acuminate... ...-..-- bee eee ee ee eee eee eee eee 1. AM. racemosa, 
Lemmas long-awned. 
Hairs of the callus equaling the lemma............-...-.-.------- 2. M. comata. 
Hairs of the callus much shorter than the Jemma. ..-.........-.--- 3. M. sylvatica. 
1. Muhlenbergia racemosa (Michx.) B.S. P. Prel. Cat. N. Y. 67. 1888. 
Agrostis racemosa Michx. F]. 1: 53. 1803. 
Muhlenbergia glomerata Trin. Gram. Unifl. 191. 1824. 
Polypogon glomeratus Willd. Enum. Hort. Berol. 87. 1809. 
Type Loca.ity: “Hab. in ripis sabulosis inundatis fluminis Mississippi.” 
Rance: Newfoundland to British Columbia, south to New Jersey, Missouri, and New 
Mexico. 
SPECIMENS EXAMINED: Sumas Prairie, Lyall in 1858-9; Loomis, Elmer, August, 1897; 
Wenache Valley, Sandberg & Leiberg 594; Parker, A.D. Dunn; Cascade Mountains, Vasey 
140. 
ZONAL DISTRIBUTION: Transition. 
2. Muhlenbergia comata (Thurb.) Benth.; Vasey, Dese. Cat. Grasses U. S. 39. 1885. 
Vaseya comata Thurb. Proc. Acad. Phila. 1863: 79. 1863. 
Type Locatity: “A native of the plains of Nebraska.” 
Rance: Colorado to Washington and California. 
SPECIMENS EXAMINED: «.oomis, Elmer 558. 
ZONAL DISTRIBUTION: Arid Transition. 
3. Muhlenbergia sylvatica setiglumis Sg Wats. Bot. King Explor. 378. 1871. 
Type Locauity: “Near Warm Springs in Humboldt Pass, Nevada; 6,0C0 feet altitude.” 
Rance: Washington to Nevada. 
SPECIMENS EXAMINED: Spokane, Piper, September 1, 1899; Phileo Lake, Spokane County, 
Suksdorf 948. 
ZONAL DISTRIBUTION: Arid Transition. 
ALOPECURUS. 
Awns scarcely exceeding the glumes; spikelets 2 to 2.5mm. long.. 1. A. geniculatus fulvus. 
Awns much exceeding the glumes. 
Spikelets 3 mm. long; anthers orange..............-..---- 2. A. californicus. 
Spikelets 4 mm. long; anthers white..............222-2-.- 3. A. saccatus. 
1. Alopecurus geniculatus fulvus (Smith) Sonder, Fl. Hamb. 32. 1851. 
Alopecurus fulvus J. E. Smith, Engl. Bot. 21: pl. 1467. 1805. 
Alopecurus aristulatus Michx. Fl. 1: 43. 1803. 
Alopecurus geniculatus aristulatus Torr. F]. U.S. 1: 97. 1824. 
Alopecurus geniculatus robustus Vasey, Bull. Torr. Club 15: 13. 1888. 
TYPE LocaLity: England. 
Rance: British Columbia to Newfoundland, southward to Florida, Tennessee, and Cali- 
fornia. Europe. 
SPECIMENS EXAMINED: Coupeville, Gardner 333; Seattle, Piper 793; Smith, June, 1890; 
Tacoma, F'lett 14, 183; Leckenby, May 29, 1897; Clallam County, Elmer 1663; Alma, Elmer 
548; Ellensburg, Vasey 118; North Yakima, Henderson, May 26, 1892; Watt, August, 1895; 
Klickitat County, Suksdorf 1066; Boundary, 7. F. O’Hara; Usk, Kreager 356; Spokane, 
Dewart, June 5, 1901; Asotin Creek, Hunter 93; Waitsburg, Horner 214. 
ZONAL DISTRIBUTION: Transition. 
2. Alopecurus californicus Vasey, Bull. Torr. Club 15: 13. 1888. 
Alopecurus pallescens Piper, Fl. Palouse Reg. 18. 1901. 
Type LocaLity: Santa Cruz, California, according to label on the type specimen. 
