Lupinus. LEGUillNOS^E. \\() 



coherent near the apex ; the narrow keel very strongly falcate, naked : pod 1 to 2 

 Inches long. — Hook. Fl. i. 165; Watson, L c. 527. 



Var. Bridgesii, Watson, 1. c. The more villous form, with very large flowers 



and dense racemes : seeds nearly -4 lines long. 



Frequent, from the Columbia River to San Diego, throughout the State; variable but well 

 marked by the characters of the flower. The mature fruit of the ordinary forms is not known. 



10. L. Sitgreavesii, Watson, 1. c. Puberuleut and somewhat silky-villous with 

 spreading hairs: stipules setaceous; leaflets 7 to 9, oblanceolate, acute, 1 to 3 inches 

 long, usually glabrous above: raceme open, shortly peduncled; pedicels slender: 

 calyx appressed-silky, short ; the upper lip rather broad, shortly toothed or nearly 

 entire : standard rounded, naked ; keel ciliate or naked : ovules 5. 



Found on the San Francisco Mountains in Arizona and eastward, and also what appears to be 

 a more glabrous form (2012 Brewer) at Ebbett's Pass in the Sierra Nevada. 



11. L. ornatus, Dougl. Decumbent or ascending: pubescence usually short, 

 silky, appressed : stipules setaceous; leaflets 5 to 7, oblanceolate, 1 to 2 inches long, 

 acute or acutish : raceme loose, usually shortly peduncled ; bracts subulate : calyx- 

 lips marly equal, the upper rather shortly toothed or bifid : petals blue ; the stand- 

 ard acutish, somewhat silky on the back, often paler especially in the centre; the 

 keel ciliate: pod 1] inches long: seed white, nearly orbicular, compressed, 2i 

 lines long. — Lindl. Lot. Peg. t. 1216; Sweet, Brit. FL Gard. 2 ser. t. 212 ; 

 Watson, 1. c. 528. 



From the Columbia River to Lassen's Peak and Mt. Shasta, at S,000 to 10,000 feet altitude 

 'Brewer) ; Montana and W. Wyoming, Parry. 



+■ +- Flowers smaller, except in L. Grayi, never yellow : ovules 3 to 6. 



++ Leaves distant ; lower petioles elongated ; leaflets not smooth above: racemes mostly 



dense : ovules 4 to 6. 



12. L. sericeus, Pursh. Rather stout, 1 to 2 feet high: pubescence of coarse 

 or somewhat silky spreading hairs : leaflets 5 to 8, rarely 10, narrowly oblanceolate, 

 1 to 2.1 inches long, acute: peduncles short : bracts deciduous, often much exceed- 

 ing the calyx : pedicels slender, 2 or 3 lines long : calyx strongly gibbous, densely 

 silky-villous ; lips nearly equal, the upper slightly toothed : petals blue oi whitish ; 

 the standard hairy and keel ciliate: pod densely hairy, an inch long. — Flora, 

 i. 168; Watso,,, 1. c . 529. 



Ft o Northern Nevada, Utah, and Montana, and doubtless to be found in North- 



eastern i laliiornia. 



13. L. leucophyllus, l>ougl. Stout, 2 or 3 feet high, leafy, densely silky- 

 tomentose throughout and somewhat villous : leaflets 7 to 10, oblanceolate or cune- 

 ate-oblong, 1 to 2J, inches long, acute; the upper petioles about equalling the leaves: 

 racemes sessile or nearly SO, densely (lowered and usually elongated : bracts subulate 

 or linear, subpersistenl or deciduous: pedicels stout, a line long or less: upper 

 calyx lip rather deeply cleft : petals blue or pink ; the standard densely villous, the 

 keel naked or ciliate. — Lindl. Bot. Reg. t. 1121 ; Watson, 1- c. 529. L.plw 

 Dougl. ; Lindl. Bot. Reg. t. 1217. 



From the Cascade Mountains of Oregon to Utah and New Mexico . 

 ad probably northward in the Sierra Nei 



II. L. Grayi, Watson. A span high, rather stout, densely hoary-tomenl 

 usually with some silky hairs : leaflets S to 9, cuneate-oblong or oblanceolate, obtuse 

 oi tcntish, .'. to I. 1 , inches lor than the petioles: racemes peduncled. short 



and loosely flowered ; bracts subulate, equalling the calyx : pedicels more slender, 1 

 or 2 lines long: Bowers subverticillate, lighf blue, G to 7 lines long, with I 

 wings and broad naked standard : keel ciliate : pod an inch long or m 



Seeded. PrOC. Am. -V .v\. \i. I 26. 



