WQ LEGUMINOS-ciil. Lupinus. 



wanting: keel naketl : pod 1 to li inches long, 3 to 4 lines broad, 7-9-seeded. — 

 Bot. Ifeg. t. lODG & t. 1377; Watson, 1. c. 52-1. L. macrophyllus, Benth. ; Sweet, 

 Brit. Fl. Gard. 2 ser. t. 35G. L. yiandijlunis, Lindl. 



From Wiibliiii'^'ton Territory to Klumath Valloy luiil Sua iMuncisco. 



5. L. rivularis, Dougl. JStmit, on-ct, 2 to G i'oet high, nearly ghiKrous, I he 

 short and silky pubescence closely appressed, or very rarely spreading on llie calyx 

 and pedicels : stipules subulate or setaceous ; leatlets 7 to 10, about equalling the 

 petioles, i to 5 inches long, oblanceolate, acute or the lower ones obtuse : raceme 

 long-peduncled, often 1 to 2 feet long; bracts setaceous, exceeding the calyx: flowtrs 

 scattered or subverticillate, purjile or sometimes white : bracllets caducous ; upper 

 calyx-lip sometimes (uitire : keel slightly ciliate : pod large, 8-10-seeded. — Lindl. 

 Bot. Beg. t. ir)li5 ; Watson, 1. c. 525. L. ci/lisoidtx, Agardh, Synopsis, IS. 



Var. latifolius, Watson. Lealli;ts 5 to 7, spatulate or oblanceolate, oliluse and 

 nuicronulate or the ujiper acute : the jiubcscence upon the calyx more frequently 

 spreading. — I'roc, Am. Acad. viii. 025. L. latij'vlius, A^nvdh, Syn. 16; Lindl. 

 Bot. Keg. t. 1891. 



From the Columbia River to Southern falifornia, common ; tlie typical form frecpient in the 

 Siena Nevada ; the variety more common nearer the sea. 



6. L. Burkei, Watson. Besembling L. rivularis, but distinguished by broader 

 stipules, and the lower leaves long-petioled : raceme usually short and dense, the 

 pedicels mostly only 1 or 2 lines long ; bracts villous and often persistent : the 

 pubescence of the calyx somewhat villous and more or less spreading: pod 8-seeded. 

 — Proc. Am. Acad. viii. 525. L. polyphyllus, Watson, Bot. King Exp. 55. 



On the east side of the Sierra Nevada from Northern Nevada to Montana, and proLably to be 

 found in Northeastern California. 



7. L. littoralis, Dougl. Stems slender, decumbent or ascending, 1 or 2 feet 

 long, often not succulent, leafy : pubescence silky, rather thin, short and ajipresseil, 

 or villous and si)reading especially about the axils : leaflets 5 to 8, oblanceolate or 

 cuneate-oblong, acute, a half to au inch long, at least half as long as the petioles : 

 mcemes sliort ; bracts setaceous, cxceeiling the calyx : ilowers blue or violet, with some 

 yellow, verticillate or scattered, on ratlier short jiedicels : calyx large, with small 

 bractlets : keel ciliate: ovules and seeds 10 to 12. — Lindl. Bot. Keg. t. 1198; 

 Hook. Bot. Mag. t. 2952 ; Watson, 1. c. 526. L. versicolor, Lindl. Bot. Keg. 

 t. 1979. L. Nulkatensis, var. fruticosus, Bot. Mag. t. 2136. 



Near the coast, from Vancouver Island to San Francisco. The taper root is saiil to be known 

 in Washington Territoiy as " Ciiinook Linuorice." 



++ ++ ++ Leafi/ and hrancluncf ; the petinles not loiKjer t/ian the leajU-ts : jlutcers sub- 

 verticillate, yellow ill L. Sabinii : bracts deciduous, shorter than the calyx: ovules 

 6 or 7, rarely 8, only 5 in L. Sitf/reavii : mostly erect or ascending, 1 or 2 feet hiyh. 



8. L. Sabinii, Dougl. Stout, erect : pubescence short, ajjpressed, silky : stipules 

 long, setaceous; leaflets 8 to 11, oblanceolate, acuminate, 2 or 3 inches long, silky 

 on both sides : raceme 6 to 10 inches long, rather dense and long-peduncleil ; ])racLs 

 exceeding the (^alyx, linear-setaceous : flowers bright yellow : upper calyx-lip short, 

 nearly entire, the lowcsr niirrow : standard emarginate, imked ; keel ciliate : pod un- 

 known.— Hook. I'l. i. 16G; Lindl. Bot. Keg. t. 1135; Watson, I. c. 527. 



This has been collected only by Douqias and Kevins, in tlio Blue Mountains of Oregon, but may 

 occur in Northern California ; distinguished by its long racemes of yellow Ilowers. 



9. li. albicaulis, Dougl. Pubescence short auil appressed, or more or less vil- 

 lous and spreading, often scanty : leaflets 5 to 9, oblanceolate, 1 to 3 inches long, 

 acute, pubescent on both sides or glabrous above : raceme mostly short-peduncled ; 

 bracts subulate : calyx long, with nearly equal lips, the upper narrowed and shortly 

 toothed : petals blue, verging to white ; the standard naked, acute, with the marginf; 



