132 



VIOLACEAE 



mm. long, white, the lower veined, the lateral pair with a tuft of slender hairs at the base of 



the blade ; spur very short. 



Wet bogs, Transition and Boreal Zones; British Columbia southward through the Pacific States to southern 

 California. Type locality: at the base of Mount Hood, Oregon. June-Aug. Western Sweet White Violet. 



25. Viola occidentalis (A. Gray) Howell. Western Violet. Fig. 3275. 



Viola primulacfolia var. occidentalis A. Gray, Bot. Gaz. 11: 255. 1886. 

 Viola occidentalis Howell, Fl. N.W. Amer. 1: 69. 1897. 



Plants acaulescent, glabrous throughout, arising from short rootstocks, producing elongated 

 very slender runners. Leaves ovate to oblong-spatulate, narrowed to a long slender petiole, ob- 

 scurely and remotely crenate; peduncles 8-15 cm. long, mostly shorter than the leaves; petals 

 white, the lower veined with purple, 8-12 mm. long, the lateral pair bearded with slender hairs ; 

 spur short, saccate. 



Bogs and swamps, Transition Zone; Josephine County, Oregon, to Del Norte County, California. Type 

 locality: Waldo, Oregon. April-June. Western Water Violet. 



Viola lanceolata L. Sp. PI. 934. 1753. Eastern Water Violet. Plants glabrous throughout, stems very 

 short, the leaves and peduncles appearing as arising from the slender, creeping, and diffusely branching 

 stolons. Leaves lanceolate to elliptic, the blades 5-10 cm. long, 1-2 cm. wide, gradually narrowed into the 

 margined petioles, shallowly and often obscurely crenate; peduncles reddish, about as long as the leaves; sepals 

 lanceolate, acuminate, 4-6 mm. long; petals white, the lower three veined with purple, 6-8 mm. long; cleistoga- 

 mous flowers borne on shorter peduncles; capsules ellipsoid, remaining green. This species of the eastern 

 United States, has become well established in Washington in marshes and cranberry bogs near the mouth of 

 the Columbia River in Pacific County and in marshlands near Tacoma and Roy, Pierce County. Type locality: 

 eastern North America. 



3274 





3275 



3276 



3277 



3272. Viola nephrophylla 



3273. Viola palustris 



3274. Viola Macloskeyi 



3275. Viola occidentalis 



3276, Petalonyx Thurberi 



3277. Petalonyx Gilmanii 



