PEA FAMILY 261 



Eefs. — LuPiNUS SAXOSUS Howell, Erythea 1:110 (1893), type loc. "from near the Dalles 

 eastward in Ore. and Wash.," Howell; Jepson, Man. 533 (1925). 



15. L. meionanthus Gray. Tahoe Lupine. Plants 7 to 16 inches high, the 

 stems leafy, branching, several to many from a stout woody branched root-crown ; 

 herbage densely and closely silky-tomentose; leaflets 6 to 8, oblanceolate to oblong- 

 oblanceolate, acute or mucronate, 7 to 13 lines long, the upper mostly longer than 

 the petioles; lower petioles 1 to 1% inches long; racemes closely flowered or some- 

 times lax, narrow (6 to 7 lines wide), 1 to 5 inches long; flowers 2y2 to 3 lines long; 

 pedicels % to 1 line long ; calyx densely tomentose, the lips about equal, the upper 

 one slightly notched, the lower entire; petals dull blue; banner glabrous, yellow in 

 the center ; keel slightly ciliate ; pod 7 to 12 lines long, 3 or 4-seeded. 



Montane forests or open stony ridges, 5000 to 9400 feet : Sierra Nevada from 

 Madera Co. to Plumas Co. "Western Nevada. July- Aug. 



Locs. — Minarets (range e. of), Madera Co., Congdon; Rancheria Mt., s. Tuolumne Co., Jepson 

 4591; Sonora Pass, A. L. Grant 163, 343; Castle Peak, Nevada Co., Sonne; Red Clover Creek, 

 Plumas Co., Hall # Babcock 4449. 



Refs. — LuPiNUS MEIONANTHUS Gray, Proc. Am. Acad. 6:522 (1865), type loc. Carson City, 

 Nev., Anderson; Jepson, Man. 526 (1925). 



16. L. ornatus Dougl. var. obtusilobus C. P. Sm. Gray Lupine. Stems sev- 

 eral, decumbent or ascending, arising from a branched root-crovsm, 6 to 10 inches 

 high; herbage with appressed silvery-silky hairs, especially the leaflets; leaflets 

 5 to 7, linear to oblong but usually tapering more to base than to apex, % to 2 inches 

 long; racemes dense, 1^2 to 2^ inches long, the whorls more or less indefinite; 

 flowers 5I/2 to 6% lines long; pedicels 1^/2 to 21^ lines long; upper calyx-lip notched, 

 a little shorter than the lower; petals blue or lilac, the banner with yellow center, 

 silky-pubescent on the back; keel ciliate on upper margin above the middle; pods 

 silky, 2 inches long ; ovules 4 to 5. 



Gravelly summits of high peaks, 5300 to 10,000 feet : northern Sierra Nevada 

 from Plumas Co. to Siskiyou Co. East to Nevada. July. 



Locs. — Soapstone Hill, Plumas Co., Jepson 10,604; Jameson Lake, Plumas Co., Hall 9351; 

 Brokeoff Mt., J, Grinnell; Lassen Peak, Jepson 15,329; Ash Creek, Mt. Shasta, M. S. BaTcer. 



On Soapstone Hill in Plumas Co., dense colonies of seven to eleven acres occur in the opens, 

 and extend up to the summits of the hills. On Lassen Peak this species grew at a higher altitude 

 than any other herb (that is, at about 9500 feet), at the time of our most recent ascent in 1929. 



Refs. — LuPiNUS ORNATUS Dougl. ; Lindl. Bot. Reg. t. 1216 (1828), type loc. Spokane River 

 near Kettle Falls, Douglas. Var. obtusilobus C. P. Sm. Bull. Torr. Club 51 : 307 (1924). L. obtu- 

 silobus Hel. Muhl. 8:115 (1912), type loc. Mt. Shasta, Geo. B. Grant 730; Jepson, Man. 532 

 (1925). L. lapidicola Hel.; C. P. Sm. Bull. Torr. Club 51:306 (1924), type loc. Mt. Eddy, Siski- 

 you Co., Heller 13,422, apparently belongs here. 



17. L. sericatus Kell. Satin Lupine. Plants 5 to 12 inches high, the proper 

 stems short (3 to 5 inches) , stoutish, decumbent, several from a woody root-crown ; 

 herbage minutely but densely silky-canescent ; leaflets 6 or 7, spatulate-obovate, 

 retuse or truncatish or sometimes obtuse, mucronate, 1 to 1% inches long, 7 to 11 

 lines wide ; petioles 2 to 4i/^ inches long ; racemes somewhat dense, 3 to 7 inches 

 long, rather long-peduncled ; flowers 5 to 5i/^ lines long; pedicels 1 to 2 lines long; 

 calyx-lips large (% as long as the petals), the upper cleft, the lower obscurely 

 3-toothed; petals deep purple; banner glabrous on the back or with only a few 

 scattered hairs at the middle; keel slender-pointed, lightly ciliolate; pods pubes- 

 cent, % to 1 inch long; seeds oblong, light brown and somewhat mottled. 



Openly wooded mountain slopes, 2000 to 4000 feet: Napa and Mayacamas 

 ranges. Apr.-May. 



Locs.— Howell Mt., Jepson; Tollhouse, Mt. St. Helena, Jepson 14,527; betw. Middletown 

 and Whispering Pines, M. S. BaTcer; Cobb Mt., K. Brandegee. 



Refs.— LupiNus sericatus Kell. Proc. Cal. Acad. 7:92 (1877), type loc. Lake Co., Johanna 

 Anderson; Jepson, Fl. W. Mid. Cal. 316 (1901), ed. 2, 217 (1911), Man. 532 (1925). 



