PIPER—FLORA OF THE STATE OF WASHINGTON. 517 
Corolla minutely pubescent; herbage scabrous 
and sparsely hirsute-ciliate.......-..------ 5. O. tenuifolius. 
Corolla glabrous or minutely granular-puberu- 
lent; herbage puberulent, not at all hirsute- 
ciliate...........--------------+-- +--+ +e 6. O. imbricatus. 
Galea straight not hooked, its tip glandular pubes- 
cent; bracts all acute........-...------------- 7.0. barbatus. 
Bracts less different from the leaves, all 3 to 5-lobed. 
Flowers purple; leaves all 3-cleft........--------- 8. O. bracteosus. 
Flowers yellow; leaves mostly entire.....--.----- 9. O. luteus. 
Lip with 3 conspicuous swellings, much larger than the galea. 
Flowers very small 4 to 6 mm. long, dull purple; leaves 
pinnatifid or bipinnatifid into filiform segments. .. - - - 10. O. pusillus. 
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 
I-celled ... 2... ..-------------------- ve eehae 11. O. erianthus. 
Corolla white, about 1 em. long; anthers 2-celled.. 12. O. hispidus. 
1. Orthocarpus pilosus S. Wats. Bot. King Explor. 231. 1871. 
Tyre Loca.ity: ‘In Washoe Valley, Nevada.” 
Rance: Washington to California and Nevada. 
SPECIMENS EXAMINED: Mount Adams, Suksdorf, September 2, 1904 (an unusually glandu- 
lar form). 
2. Orthocarpus purpurascens Benth. Scroph. Ind. 13. 1835. 
Type Loca.ity: 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 Locauiry: California. Collected by Douglas. 
RANGE: On the seacoast, Puget Sound to Monterey. 
SPECIMENS EXAMINED: Grays Harbor, Wilkes Expedition; Oyhut, Lamb 1269; Whidby 
Island, Gardner 239; Lillewaup, Piper in 1890; Astoria, Cooper; Everett, Piper 4987 ; 
Copalis, Conard 385. 
ZONAL DISTRIBUTION: Humid Transition. 
4. Orthocarpus attenuatus A. Gray, Pac. R. Rep. 4: 121. 1857. 
Type Locauiry: Corte Madera, California. 
Rance: British Columbia to Middle California. 
SPECIMENS EXAMINED: Whidby Island, Gardner, 225; Lopez Island, Lyall in 1858; near 
Tacoma, Flett 191, 2123, May 5, 1895; Nisqually, Wilkes Expedition. 
ZONAL DISTRIBUTION: Humid Transition. 
5. Orthocarpus tenuifolius (Pursh) Benth. in DC. Prod. 10: 536. 1846. 
Bartsia tenuifolia Pursh, Fl. 2: 429. 1814. 
Type Locauiry: “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. 
Rance: British Columbia to Oregon and west Montana. 
SPECIMENS EXAMINED: Wilson Creek, Sandberg & Leiberg, 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 
18; Okanogan to Grand Coulee, Wilkes Expedition. 
ZONAL DISTRIBUTION: Arid Transition. 
