PIPER FLORA OF THE STATE OP WASHINGTON. 5l7 



Corolla minutely pubescent; herbage scabrous 



and sparsely hirsute-ciliate 5. 0. tenuifolius. 



Corolla glabrous or minutely granular-puberu- 

 lent; herbage puberulent, not at all hirsute- 

 ciliate 6.0. imbncahis. 



Galea straight not hooked, its tip glandular pubes- 

 cent ; bracts all acute T .0. harbatus. 



Bracts less different from the leaves, all 3 to 5-lobed. 



Flowers purple ; leaves all 3-cleft 8.0. hracteosus. 



Flowers yellow; leaves mostly entire 9. 0. luteus. 



Lip with 3 conspicuous swellings, much laT^er than the galea. 

 Flowers very small 4 to 6 mm. long, dull purple; leaves 



pinnatifid or bipinnatifid into filiform segments 10. O. fusiUus. 



Flowers larger 12 to 20 mm. long; leaves simply pinnate 

 with slender lobes or entire. 

 Corolla sulphur-yellow, 2 to 2.5 cm. long; anthers 



1-celled 11.0. erianthus. 



Corolla white, about 1 cm. long; anthers 2-ceIled. . 12. 0. hispidus. 



1. Orthocarpus pilosus S. Wats. Bot. King Explor. 231. 1871. 

 Type locality: "In Washoe Valley, Nevada." 



Rangk: Washington to California and Nevada. 



Spkcimens examined: Mount Adams, Suksdorf, September 2, 1904 (an unusually glandu- 

 lar form). 



2. Orthocarpus purpurascens Benth. Scroph. Ind. 13. 1835. 

 Type locality: California. Collected by Douglas. 



Range: Oregon and California. 



Specimens examined: Seattle (introduced). Piper, June 4, 1891. 



3. Orthocarpus castilleoides Benth. Scroph. Ind. 13. 1835. 

 Type locality: California. Collected by Douglas. 

 Range: On the seacoast, Puget Sound to Monterey. 



Specimens examined: Grays Harbor, WilJces Expedition; Oyhut, Lamh 1269; Whidby 

 Island, Gardner 239; Lillewaup, Piper in 1890; Astoria, Cooper; Everett, Piper 4987; 

 Copalis, Con/ird 385. 



Zonal distribution: Humid Transition. 



4. Orthocarpus attenuatus A. Gray, Pac. R. Rep. 4: 121. 1857. 

 Type locality: Corte Madera, California. 



Range: British Columbia to Middle California. 



Specimens examined: Whidby Island, Gardner, 225; Lopez Island, ZyaZZ in 1858; near 

 Tacoma, Flett 191, 2123, May 5, 1895; Nisqually, Wilkes Expedition. 

 Zonal distribution: Humid Transition. 



6. Orthocarpus tenuifolius (Pursh) Benth. in DC. Prod. 10: 536. 1846. 



Bartsia tenuifolia Pursh, Fl. 2: 429. 1814. 



Type locality: "On the banks of Clark's River." Collected by Lewis. The exact 

 locality is near the mouth of the Lolo fork of the Bitterroot River, Montana. 



Range: British Columbia to Oregon and west Montana. 



Specimens examined: Wilson Creek, Sandherg cfc Leiherg, June, 1893; Wilbur, Hender- 

 son, July 12, 1892; Douglas County, Spillman, May, 1896; Cow Creek, Lyall; Spokane 

 County, Suksdorf 425; Spokane, Dewart; Pullman, Piper 1666; Clarks Springs Kreager 

 \^;Ok&nog&nioGr&n6iCo\i\ee, Wilkes Expedition. 



Zonal distribution: Arid Transition. 



