PIPER FLORA OF THE STATE OF WASHINGTON. 355 



14. Lupinus suksdorfii Robinson, sp. nov. (§ Sericei). 



Erect or nearly so, about 60 cm. high; stem stoutish, subsiraple, terete, finely subappressed- 

 pubescent or somewhat spreading-villous, leafy, especially near the middle; leaflets about 

 9, oblanceolate, acute, the larger 5 to 6 cm. long, 8 to 12 mm. wide, covered on both surfaces 

 by a short dense sericeous appressed pubescence; petioles 4 to 11 cm. long; peduncles 

 terminal and commonty solitary, 4 to 8 cm. long; racemes 20 cm. in length, 4 to 5 cm. in 

 diameter; pedicels slender, 8 mm. long, scattered or subverticillate, tomentulose; upper 

 calyx lobe 2-toothed, the lower entire; petals rich purplish blue, about 12 mm. long; 

 standard glabrous ; keel ciliolate ; ovary 5 to 7-ovuled ; pods spreading-pubescent, 3 to 4 cm. 

 long, 9 mm. wide, about 4-seeded. — Dry grounds. 



Specimens examined: Columbia River, west Klickitat County, Suksdorf 110, May 3 (in 

 flower), June (in fruit), 1883; same locality, mountain sides, SuTcsdorflQQ, May 2 (in flower), 

 June (in fruit), 1883; same region and collector, April 24 (in flower), June (in fruit), 1886; 

 Wenache, Whited 1032, April 23, 1899; sandy hillsides west of Wenache, Whited 1033, May 

 2, 1899. 



15. Lupinus sericeus Pursh, Fl. 2: 468. 1814. 



I'ypE locality: " On the banks of the Kooskoosky." Collected by Lewis. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Wenache, Whited 1061; June, 189.5; Klickitat, Howell, June, 

 1879; Spokane, Henderson 2338 in part; Walla Walla region, Brandegee 686; Waitsburg, 

 Horner 90; Almota, Piper 2011 ; Kamiak, Piper 3087; without locality, Vasey 262. 



Zonal distribltion: Upper Sonoran and Arid Transition. 



The following specimens are not typical but for the present are referred here: Wenache, 

 Whited 1061, 155, July 9, 1896; Ellensburg, Whited 662; Twisp River, Whited 36; Douglas 

 City, Lake cfc Hull 757; Coulee City, Spillman, May 27, 1896 in part. 



16. Lupinus omatus Dougl. Bot. Reg. 14: pi. 1216. 1828. Plate XXII. 

 Type locality: "In mountain valleys, on the banks of the Spokan River, near Kettle 



Falls, on the River Columbia; and also near the chain of lakes of the last mentioned stream." 



Range: Washington, Oregon and Idaho. 



Specimens examined: Pasco, Henderson 2334; Yakima County, Henderson 2332, 2340, 

 2342; Ellensburg, Whited 23; Ainsworth, Brandegee 700; Spokane, Piper 1903; Spokane 

 County, Suksdorf 267 ; Conconully, Whited 1308; Steamboat Rock, McKay 22; Pullman, 

 Henderson 2339; Piper 3037; without locality, Vasey in 1889; Wenas Creek, Cotton 1149; 

 Kittitas Valley, Cotton 1337. 



Zonal distribution: Arid Transition and Upper Sonoran. 



16a. Lupinus omatus bracteatus Robinson, subsp. nov. 



Bracts much exceeding the buds, often recurved, somewhat persistent, much more con- 

 spicuous than in the typical form. — Gravelly prairies. Bearing much the same relation to 

 the typical form of Lupinus ornatus Dougl. as subspecies plumosus Robinson does to L. 

 leucophyllus Lindl., and no more constant. 



Specimens examined: Spokane, Henderson 2338 in part; Piper 2728, 2823, 2947; 

 Almota, Piper 2939. 



17. Lupinus alpicolaL. F. Henderson in herb. 



Stems several from a thickish caudex, scaly at the base, erect, 30 to 50 cm. high, simple or 

 nearly so, leafy, covered by a fine short closely appressed pubescence; petioles slender, erect, 

 all but the upper exceeding the 7 or 8 leaflets; these linear-oblanceolate, acute, finely serice- 

 ous-pubescent on both surfaces, 2.6 to 3.6 cm. long, 2 to 5 mm. broad; racemes mostly 

 terminal on the stems, shortly peduncled, loosely flowered, 7 to 10 cm. long; bracts lanceo- 

 late, sericeous-pubescent, rather short, when persisting not equaling the tomentulose 

 pedicels; petals purplish blue; standard suborbicular, sparingly villous near the middle 



