266 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



CLEMATIS. 



Erect herbs; leaves compound with narrow st>gnieiits 1.6^. hirsutissima. 



Half-woody climbers. 



Flowers large, blue, solitary. 



Leaves ternate, the leaflets mostly -entire 2. C. columbiana. 



Leaves biternate or nearly so 3. C. alpina occidentalis. 



Flowers small, white, panicled. 



Akenes pubescent with straight hairs 4. C. ligusticifolia. 



Akenes pubescent with crinkly hairs b.C. suksdorfii. 



1. Clematis hirsutissima Pursh, Fl. 2: 385. 1814. Sugar bowls. 

 Clematis douglasii Ilook. Fl. Bor. Am. 1:1. 1829. 



Type locality: "On the plains of the Columbia River." Collected by Lewis. 



Range: British Columbia to Montana, Oregon, and New Mexico. 



Specimens examined: Waterville, Whited 1211; Spokane County, /SjfArs</o//229; Hang- 

 man Creek, Sandberg cfc Leiberg 14; Pullman, Piper 1450. 



Zonal distribution : Arid Transition. 



The leaves of this plant taste like strychnine, and Geyer gives an account of the way 

 the Nez Perce Indians used it to stimulate fagged horses by rubbing it in their nostrils. 



2. Clematis columbiana (Nutt.) Torr. & Gr. Fl. 1: 11. 1838. 

 Atragene columbiana Nutt. Journ. Acad. Phila. 7: 7. 1834. 

 Clematis verticillaris columbiana Gray, Syn. Fl. 1': 8. 1895. 



f Atragene grosse^erraia Rydberg, Bull. Torr. Club 20: 156. 1902. 

 Type ukiality: "Flathead River." Collected by Wyeth. 

 Range: British Columbia and Alberta to Utah. 



Specimens examined: Spokane, Henderson, June, 1892; Mount Carlton; Kreager 287, 

 291 ; Pend Oreille River, Lyall in 1861. 



Zonal distribution : Arid Transition and Canadian. 



3. Clematis alpina occidentalis (Hornem.) Gray in Powell, Gcol. Surv. Dakota 531. 



1880. 



Atragejie occidentalis Hornem. Hort. Havn. 520. 1813. 



Clematis pseudoatragene pseudoalpina Kuntze, Verb. Bot. Ver. Brandenburg 26: IGO. 1884. 



Type locality: Unknown. 



Range: Washington to Dakota and New Mexico. 



Specimens examined: Upper Columbia, Wilkes Expedition 1095; Swauk Creek Moun- 

 tains, Brandegee GOO; Cowlitz Pass, Tweedy in 1882. 



Doctor Rydberg a maintains that Hornemann's name belongs to the plant usually called 

 Clematis verticillaris columbiana, and therefore takes up Kuntze's name in the combination 

 Atragene pseudoalpina for the above species. 



4. Clematis ligusticifolia Nutt.; Torr. &Gr. Fl. 1:9. 1838. 

 Clematis ligustifolia brevifolia Nutt. loc. cit. 



Clematis brevifolia Howell, Fl. N. W. Am. 8. 1897. 



Type locality: "Plains of the Rocky Mountains." Collected by Nuttall. 



Range: British Columbia and Saskatchewan to California and New Mexico. 



Specimens examined: West Klickitat County, SwArsf/or/ 1954; Egbert Springs, Sandberg 

 <& Leiberg 386; North Yakima, Watt, August, 1895; Henderson, October, 1892; Parker, 

 Dunn, August 8, 1901; Wenache, Whited 175, 1333; Spokane, Henderson, July, 1892; 

 Wawawai, Piper 1455; Wilson Creek, Lake da Hull 408; Spokane County, Suksdorf 2338; 

 Pullman, £'/mer 291; without locaHty, Fasey in 1889; Clarks Springs, Zreajrer 122; Prosser, 

 Cotton 623. 



Zonal distribution: Upper Sonoran, occasionally Arid Transition. 



a Bull. Torr. Club 29: 155. 1902. 



