546 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



4. Crepis occidentalis I^utt. Journ. Acad. Phila. 7: 29. 1834. 

 PsUachenia occukntalis Nutt. Trans. Am. Phil. Soc. 7: 437. 1841, 

 Type LOC.\LiTi': "Columbia River." Collected by Wyeth. 

 Range: British Columbia and Montana to California and Arizona. 



Specimens ex.\mined: Olympic Mountains, FleU, August, 1888; near Lyle, SuJcsdorf 

 875; near Cleveland, Suksdorf 38\ ; Wenache, Whited 1087, IS-^O; "on the borders and in 

 in the vicinity of the river Columbia," Wyeth: Wawawai, Pi/xr 1784; Elmer 747; Blue 

 Mountains, Piper 2438; Wenas, Gri^ths d' Cotton 72. 



Zonal msTRini'TiON: Upper Sonoran and Arid Transition. 



5. Crepis rostrata Coville, Contr. Nat. Herb. 3: 564. 1896. 



Type locality : " Near Cr&b Creek, Douglas County, Washington." Collected by Sand- 

 bei^ & Leiberg. 



Range: British Columbia and eastern Washington. 



Specimens examined: iNorth YakhnA, Mrs. Steinuvg \n 1894; Cleman Mountain, J7cn- 

 d^rson, June 11, 1892; Klickitat Covmty, Howell 1879; Ix^twoen Nache,s and Wenache rivers, 

 Pickering d" Brackenridge in 1841; Coulee City, Piper 3866; near Crab Creek, Sandberg db 

 Leiberg 225. 



Zonal distribution: Upper Sonoran. 



6. Crepis glareosa Pi|)or, Bull. Torr. Club 28: 42. 1901. 

 Type ixk:alitv: Klleasburg, Washington. 

 Specimens examined: Ellensburg, Piper 2704 (type). 



7. Crepis acuminata Nutt. Trans. Am. Phil. Soc. 7: 437. 1841. 

 Type ixxality: " Plains of tlio Plattt*." Collected by Nuttall. 

 Range: Washington and Montana to California and Utah. 



Specimens examined: Ellensburg, Elmer 383; Crab and Wilson creeks, Sandberg ds 

 Leiberg 232. 



8. Crepis gracilis (D. C. Eaton) Rydl)crg, Mem. N. Y. Bot. Gard. 1: 461. 1900. 

 Crepfs occidcntalii gracilis D. C. Katon; S. Wats. Iit)t. King Explor. 203. 1871. 

 Crepis intermedia A. Gray, Syn. Fl. 1^: 432. 1884. 



Type ix)cality: Middle Park, Colorado. 



Range* British Columbia to California and Colorado. 



Specimens examined: Wenache, Whited 1112; Ellensburg, Whited 455; Toppenish, 

 Henderson in 1892; Wenas, Lyall in 1860; Naches Valley, Piper 2737; without locality, 

 Vasey 571, 572,573; Spokane County, SuksdoTf 379; Douglas County, Spillman; Colton, 

 Piper 2883; Wawawai, Elmer 1401, 761; Almota, Piper; without locality, Wilkes Expedi- 

 tion; Waitsburg, Horner 167; Conconully, Griffiths cfc Cotton 269. 



Zonal distribution: Arid Transition and Upper Sonoran. 



9. Crepis barbigera Leiberg, Contr. Nat. Herb. 3: 565. 1896. 



Type locality: "Near Alkali Lake, Douglas County, Washington." Collected by 

 Sandberg & Leiberg. 



Range: Eastern Washington and eastern Oregon. 



Specimens examined: Mountains north Ellensburg, l^Ai<ed 659; Ellensburg, £'imer 392 ; 

 Piper; Wenache, Whited 455, 1183; Wenache Mountains, Whited 1183; Klickitat County, 

 Suksdorf 777 in part; near Alkali Lake, Sandberg cfe Leiberg 313; Spokane Prairie, Suksdorf 

 378; Piper 2264, 2637; Spangle, Piper 2874. 



2k)NAL distribution: Arid Transition. 



HIERACIUM. Hawkweed. 



Stems many-leaved; involucre imbricated. 



Lower part of stem pilose 1. fl. columbianum. 



Lower part of stem glabrous 2. H. canadense. 



