PIPER—FLORA OF THE STATE OF WASHINGTON. 405 
21. Epilobium drummondii Haussk. Monog. Epil. 271. 1884. 
Type Locauity: “Hab. in Rocky Mts.” Collected by Drummond. 
Rance: British Columbia to Nevada and Colorado. 
SPECIMENS EXAMINED: Falcon Valley, Suksdorf 2149. 
22. Epilobium delicatum tenue Trelease, Rep. Mo. Bot. Gard. 2: 99. 1891. 
Type Locauiry: Union County, Oregon. Collected by Cusick. 
Rance: Washington to Colorado. 
SPECIMENS EXAMINED: Olympic Mountains, Piper, August, 1895; Skamania County, 
Suksdorf 2309. 
Ermosrum pavuricum Fisch. in Hornem. Hort. Bot. Havn. Suppl. 44. 1819. Hauss- 
knecht in his Monograph reports this from Tacoma, collected by Krause, but we have seen 
no specimens thus referable. It was originally described from Siberia, and ranges at least 
as far east as Alaska. 
EPILoBIUM ORIGANIFOLIUM Lam. This name appears on Suksdorf’s list, but the species 
is not known to occur in North America. 
TARAXIA. 
White-pubescent; leaves deeply pinnatifid. .........-.--- 1. 7. tanacetifolia. 
Glabrous or nearly so. 
Leaves entire or denticulate..........-.-.....-.---- 2. T. heterantha. 
Leaves pinnatifid ...............-.--------------- 2a. T. heterantha taraxacifolia. 
1. Taraxia tanacetifolia (Torr. & Gr.). 
Ocenothera tanacetifolia Torr. & Gr. Pacif. R. Rep. 2: 121. pl. 4. 1854. 
Tarazia longiflora Nutt.; Small, Bull. Torr. Club 28: 185. 1896. 
Ocenothera nuttallii Torr. & Gr. Fl. 1: 506. 1840, not Sweet, 18380. 
Type Locatity: “On the higher parts of the Sierra Nevada; latitude 41°, California. 
Rance: Washington to Nevada and California. 
SPECIMENS EXAMINED: Ritzville, Sandberg & Leiberg 162; Crab Creek country, Suksdorf 
308; Spokane County, Suksdorf 309; Marshall Junction, Piper 2259. 
ZONAL bisTDIBUTION: Arid Transition. 
2. Taraxia heterantha (Nutt.) Small, Bull. Torr. Club 23: 185. 1896. 
Oenothera heteratha Nutt. Journ. Acad. Phila. 7: 22. 1834. 
Type LocaLity: “Towards the sources of the Columbia, in dry prairies.’”’ Collected by 
Wyeth. 
Rance: Washington and Idaho to Nevada and Utah. , 
SPECIMENS EXAMINED: Klickitat River, lett 1012; Rock Creek, Sandberg & Leiberg 130; 
Spangle, Piper 2835; without locality, Vasey in 1889; Wenache Mountains, Cotton 1195. 
ZONAL DISTRIBUTION: Arid Transition. 
2a. Taraxia heterantha taraxacifolia (5. Wats.) Small, Bull. Torr. Club. 23: 185. 
1896. 
Oenothera heterantha taraxacifolia S. Wats. Proc. Am. Acad. 8: 589. 1873. 
Tararia taraxacifolia Heller, Muhlenbergia 1:1. 1900. 
Type LtocaLtity: Near Austin, Nevada. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Rock Creek, Spokane County, Sandberg & Leiberg, 120 in part; 
Grand Coulee, Griffiths & Cotton 451; Walla Walla, Griffiths & Cotton 451, 
ZONAL pDisTRIBUTION: Arid Transition. 
SPHAEROSTIGMA. 
Flowers axillary, yellow or yellowish. 
Capsule linear, more or less curved. ...-.-.---------+---+e- e+e eee 1. S. contortum. 
Capsule broadest at base, attenuate upward. 
Seeds pale, linear; flowers very small.........---------------- 2. S. andinum. 
Seeds dark, clavate; flowers larger... .....-.-.---.----------- 3. S. hilgardi. 
