106 co^:TRIBUTIO^'s from the national herbarium. 



Union City, Piper 939; Coulee City, Lake d' Hull 118; Chelan, Elmer 489; Wenache, 

 Whited 1249; Tumwater Canyon, Whited, August, 1901; Little Bnldy. Spokane County, 

 Kreager 160; Mason County, Piper 939; Kiona, Cotton 736; Topptniish, Cotton 792. 



Zonal distribution: Transition. 



Specimens of this speeies have been referred to P. nitiduni Lam. and to P. dichotomum, 

 L. species not known to occur within our limits. 



Panicu.m viRCATiirt L. is stated hy Hooker to liave W'vn collected on the Columbia by 

 Douglas. There is no recent evidence of such o<'currence of the species. 



CHAETOCHLOA. 



1. Chaetochloa viridis (L.) Scribn. V. S. ])ept. Agr. Div. Agrost. Bull. 4: 39. 1897. 



Green foxtail. 



Panicum viride L. Sp. PI. ed. 2. 83. 1762. 



Sefaria riridis Beauv. Agrost. 51, 178. 1812. 



Type locality: "Habitat in Europa australi." 



Specimens examined: North Yakima, Watt; Parker, A. D. Dunn; Pullman, Piper; 

 Waitsburg, Horner; Seattle, Piper. 



PHALARIS. 



Inflorescence a narrow panicle 1. P. arundinacea. 



Inflorescence an ovoid spike 2. P. canariensis. 



1. Phalaris arundinacea L. Sp. PI. 1:5.5. 1753. Reed canary grass. 

 Type locality: Fiuropean. 



Range: British Columbia to Nova Scotia, .soutiiward to New Jersey, Kansas, and 

 California. 



Specimens examined: Cascades, Lyall in 1859; Wenache region, Brandegee 11.53, 

 Whited 1425; Eliensburg, Piper, June, 1897; Whited .563; Columbia River, Klickitat 

 County, Suksdorf 1186; Spokane River, Piper 2386; Big Meadow, Kreager 425; Lake 

 Chelan, Vasey 52, 552; Colville Reservation, Griffiths cfc Cotton 367; Brewster, Griffiths db 

 Cotton 263. 



Zonal distribution: Arid Transition. 



2. Phalaris canariensis L. Sp. PI. 1:54. 1753. Canary grass. 

 Type locality: "Hab. in Europa australi, Canariis." 



Specimens examined: Pullman, Hardunclc, July, 1895. 



ANTHOXANTHUM. 



1. Anthoxanthum odoratum L. Sp. Pi. 1:28. 1753. Sweet vernal grass. 



Type locality: "Habitat in Europae pratis." 

 Specimens examined: Tacoma, Piper, September 5, 1895. 



SAVASTANA. 



1. Savastana odorata (L.) Scribn. Mem. Torr. Club 6: 34. 1894. Vanilla grass. 



Holcus odoratus L. Sp. PI. 2: 1048. 1753. 



Hierochloe horeaUs Roem. & Schult. Syst. 2: 513. 1817. 



Type locality: European. 



Range: Newfoundland to Alaska, south to Washington, Colorado, and Wisconsin. 



Specimens examined: Eliensburg, Whited 292; North Yakima, Leckenhy, April 22, 

 1897; Fort Colville, Lyall in 1861; Wenache River, Va^ey 229. 



Zonal distribution: Transition. 



