470 rONTETBUTTONS FROM THE NATIONAL HERBAEIUM. 



3. Nemophila pedunculata Dougl.: Bentli. Linn. Trans. 17: 275. 1837. 

 Type locality: "On the Columbia." Collected by Douglas. 



Range: Washington to California. 



Specimens examined: Klickitat County, Suksdorf 2ii37 , 2G3S. 



4. Nemophila parviflora Dougl. ; Benth. Linn. Trans. 17: 275. 1837. 



Type locality: "From the Columbia." Collected by Douglas and by Scouler. 



Range: British Columbia to California in the coast region. 



Specimens examined: Clallam County, Elmer 2830; Whidby Island, Gardner 395; 

 Seattle, Piper in 1885; upper Nisqually Valley, Allen 61; without locaHty, Vaseij in 1889; 

 Vancouver, Piper 4940. 



Zonal distribution: Humid Transition. 



PHACELIA. 



Leaves entire or with a few much smaller lateral lobes. 

 Flowers bright blue, rather large. 



Low, branched from the base ; ovules only 4 1 . P. humilis. 



Taller, erect; ovules 10 or more 2. P. linearis. 



Flowers white or bluish, small. 



Herbage canescent 3. P. heferopTiyUa. 



Herbage green, hirsute 4. P. nemoralis. 



Leaves pinnately cleft into narrow sul)eqnal lobes. 



jinnual ; stems erect 9. P. glandulifera. 



Perennials. 



Stems erect. 



Stems weak, reclining 8. P. ramosissima. 



Leaves silky; inflorescence not glandular 5. P. ftericea. 



Leaves green; inflorescence glandular. 



Calyx not ciliate; leaves not glandular 6. P. procera. 



Calyx ciliate; leaves glandular 7. P. lenta. 



1. Phacelia humiUs Torr. & Gr. Pac. R. Rep. 2: 122. 1855-57. 

 Type locality: "Near the summit of the Sierra Nevada, California." 

 Range: Washington to Nevada and California. 



Specimens examined: Cleman Moimtain, iZeTMZerson 2541 ; Egbert Springs, (Sandl&eri; cfe 

 Leiherg 352; Yakima region, Brandegee 974; Wenache, Whifed 1103, 35; Douglas County, 

 Spillman, May, 1896. 



Zonal distribution: Upper Sonoran. 



2. PhaceHa linearis (Pursh) Holzinger, Contr. Nat. Herb. 3: 242. 1895. 

 Phacelia memiesii Torr.; S. Wats. Bot. King. Explor. 252. 1871. 

 Hydrophyllum lineare Pursh, Fl. 1 : 134. 1814. 



Eutoca memiesii R. Br. in Richards. Bot. App. Frankl. Journ. 764. 1823. 



Eutoca mvUiflora Dougl.; Lindl. Bot. Reg. 14: pi. 1180. 1828. 



Type locality: "On the banks of the Missouri. April." Collected by Lewis. The 

 specimen in the Philadelphia Academy bears the label "Rocky Camp, April 17, 1806." 

 This spot is on the Dalles of the Columbia, and it is probable that Pursh has made an error. 



Range: British Columbia and Alberta to California and Utah. 



Specimens examined: Whidby Island, Gardner 210; Mount Adams, Flett 1247; Rattle- 

 snake Mountains, Cotton 330; Yakima, Henderson, May 25, 1892; North Yakima, Mrs. 

 Steinweg in 1894; Pasco, Piper 2958; Eindshaw 24; Rock Lake, Sandherg <& Leiherg 116; 

 Pend Oreille River, Lyall in 1861; without locality, Vasey in 1889; along Tukanon River, 

 Lake & HuH,iu\y 2, 1892; Spokane, Piper, July 18, 1894; Almota, Piper 1695; Wawawai, 

 Lake & Hull 566; Elmer 782. 



Zonal distribution: Upper Sonoran and Arid Transition. 



