PEA FAMILY 245 



Banner roundish, shorter than the oblong wings, the sides reflexed; keel nearly 

 straight, obtuse, its petals very lightly joined, equaling the wings. Stamens dis- 

 tinct. Pod long, linear, flat, several-seeded. — Species 12, North America and Asia. 

 (Greek thermos, lupine, and opsis, resemblance.) 



Herbage glabrous; pedicels equaling or twice as long as bracts 1. T. montana. 



Herbage densely pubescent or tomentose ; pedicels commonly shorter than bracts 



2. T. macrophylla. 



1. T. montana Nutt. var. venosa Jepson comb. n. Stems branching, I14 feet 

 high; herbage glabrous; leaflets obovate to oblong, 1^4 to 2% inches long; petioles 

 % to 1% inches long; stipules ovate or oblong, obtuse or acutish, longer or shorter 

 than the petioles ; racemes loose, the flowers solitary or in 2s in the axils of the 

 bracts; pedicels i/4 to 1 inch long, equaling or longer than the bracts; pods linear, 

 2 to 3 inches long, on stipes shorter than the calyces. 



Montane slopes, 1200 to 5500 feet : Trinity and Shasta Cos. Apr.- June. 



Locs. — Little East Weaver Creek, Trinity Co., B. S. Yates 337; Carrville, Trinity Co., Rose; 

 Trinity Mts., w. Shasta Co., Blasdale; Kennett, Shasta Co., Blanlcinship. 



Eefs.— Thermopsis Montana Nutt.; T. & G. Fl. 1:388 (1840), type loc. "high vallies of 

 the Eocky Mts.", Nuttall. Var. venosa Jepson. T. venosa Eastw. Bull. Torr. Club 32:198 

 (1905), type loc. Lewiston Trail near boundary between Trinity and Shasta Cos., Eastwood. T. 

 gracilis var. venosa Jepson, Man. 515 (1925). T. gracilis Howell, Erythea 1:109 (1893), type 

 loc. mts. of sw. Ore. (near Waldo), Howell, is like T. montana Nutt. save that the herbage is 

 puberulent. 



2. T. macrophylla H. & A. Stems somewhat branched above, 1 to 2 feet high ; 

 leaves silky- or whitish-pubescent when young, soon glabrate, at least above ; leaf- 

 lets broadly or narrowly obovate and often more or less rhomboidal, acute at each 

 end, or some obtuse at apex (even on same plant) , II/2 to 3 or 4 inches long; stipules 

 strongly oblique or not at all oblique, even on the same plant, longer than the 

 petioles; upper lip of calyx slightly notched; lower calyx-teeth shorter than or as 

 long as tube; raceme rather dense, 3 to 6 inches long; pods straight, silky, 2 to 

 5-seeded, 1% inches long. 



Open grassy places, forming small colonies on hill slopes or valley flats, 25 to 

 3000 feet : Coast Ranges, mostly toward the coast, from Los Angeles Co. to Men- 

 docino Co. Also in southwestern Oregon. Apr.-June. 



Logs. — Manzana, Antelope Valley, Davy 2490; San Emigdio Potreros; Pozo, San Luis 

 Obispo Co., Eastwood 15,140; Monterey, Bretver 704; Glenwood, Santa Cruz Mts., Horace Davis; 

 Mt. Hamilton, Jepson 4229; Crystal Springs Lake, San Mateo Co., Elmer 4824; Angel Island, 

 Davy 6907; South Los GuUicos, Sonoma Co., Bioletti; Union sta., lower Napa Valley, Jepson 

 13,584; Knoxville, ne. Napa Co., C. F. BaTcer 3081; Conn Valley, Napa Eange, Jepson 10,329; 

 Jerusalem Valley, s. Lake Co., Jepson 9034; Ukiah, Carl Purdy; Willits, Davy 4- Blasdale 5095; 

 Mendocino, H. E. Brown. Sw. Oregon : Mt. Emily, Curry Co., Tracy 5909. 



Var. argentata Jepson comb. n. One to 2 feet high, densely silky-pubescent throughout. — 

 Eastern Shasta Co. and southwestern Modoc Co., 3000 to 5000 feet. 



Locs. — Dana, e. Shasta Co.; Big Valley Mts., Modoc Co., M. S. BaTcer; Egg Flat, Forestdale, 

 M. S. BaTcer ; Egg Lake, BaTcer ^ Nutting. 



Var. semota Jepson var. n. Stems branching above the base, 8 to 15 inches high; herbage 

 with a dense velvety almost shaggy pubescence; leaflets small, mostly rhomboidal, (% to 1% 

 inches long) ; raceme 1 to 3 (or 4) inches long, dense. — (Caules super basim ramosi, unc. 8-15 

 alti; herbae dense, fere hirsuto-pubescentes ; foliola parva, plerumque rhomboidea (unc. %-l% 

 longa) ; racemi densi, unc. 1-3 (vel 4) longi.) — Cuyamaca Mts., Southern California. 



Locs. — Julian, San Diego Co., T. Brandegee ; Spencer Valley, B. D. Alderson (type). 



Eefs. — Thermopsis macrophylla H. & A. Bot. Beech. 329 (1840), type from Cal., Douglas; 

 Jepson, Fl. W. Mid. Cal. 289 (1901), ed. 2, 215 (1911), Man. 515, fig. 516 (1925). T. calif ornica 

 Wats. Proc. Am. Acad. 11 : 126 (1876), type loc. Corte Madera, Marin Co., Bigelow. T. calif ornica 

 var. velutina Greene, Erythea 1:81 (1893), type loc. Mt. Hamilton, Greene. T. velutina Greene, 

 Erythea 3:19 (1895), excluding plants of San Diego Co. T. robusta Howell, Erythea 1:109 

 (1893), type loc. Cal. Coast Eange near Oregon boundary (Del Norte Co.), Howell; stout, 4 to 6 

 feet high (ex char.). Var argentata Jepson. T. gracilis var. argentata Jepson, Man. 515 



