122 LEGUMINOS #. THERMOPSIS. 
leaves, foliaceous free stipules, petiolulate entire leaflets, and 
moderately large yellow flowers in terminal bracteate- racemes. 
Bracts herbaceous, persistent. Calyx campanulate, 4-5-cleft to 
the middle, the lobes equal or the two upper ones united. Upper 
petal roundish, shorter than the oblong lateral ones, the sides re- 
flexed, keel nearly sraight, obtuse, equalling the wings. Stam- 
ens 10, distinct. Style slightly curved; stigma minute. Pods 
narrow, compressed, few to many-seeded, 
T. montana Nutt. T. & G. Fl. i, 388. Glabrous below, somewhat 
silky-villous above: stipules ovate to lanceolate, 1—2 inches long: 
leaflets oblong-ovate to oblong, 1—3 inches long, obtuse or acute, spar- 
nigly villous beneath, smooth above: bracts mostly lanceolate: lobes 
of the calyx triangular one and a half lines long: pods silky-villous, 
2 inches long or more, nearly straight, erect, short stipitate, linear, 
10—15-seeded. Along streams, Brit. Columbia to California and the 
Rocky Mountains. 
T. gracilis Howell Eryth. i, 109. Sparingly strigose-pubescent 
throughout: stems slender, erect, 1—3 feet high, sparsely branched above 
the branches spreading: stipules broadly ovate to lanceolate, usually 
acute: leaflets oblanceolate, acute at base, petiolulate, 1—3 inches 
long by 8—12 lines broad: racemes short, loosely flowered: bracts 
ovate, acute, mostly shorter than the pedicels: lower teeth of the 
calyx triangular, acute, the upper truncate or barely 2-toothed: ovary 
about 12-ovuled: pods appressed-silky, 2 inches long or more by 2 
lines broad, on a very short stipe, usually spreading and often falcate. 
In the mountains of southern Oregon from the sources of the Willam- 
ette river to northern California. 
T. robusta Howell l. c. Densely tomentose throughout: stems stout, 
4—6 feet high: stipules large, broadly ovate to orbicular-ovate, acute - 
at both ends, 2—3 inches long: racemes long, densely many-flowered: 
bracts ovate-lanceolate, acuminate, ‘longer than the pedicels: teeth of 
the calyx acuminate, the upper 2- toothed: fruit not seen. In open 
forests on top of the Coast Mountains on the old Crescent City Wagon 
road, collected in June, 1884, not since reported. 
T. argentata Greene Eryth. iii, 18. Rather slender, a foot or two in 
height: all the growing parts, and when young the whole plant 
silvery-canescent throughout with a very dense and minute silky pu- 
bescence, the mature part also not indistinctly silky and pale: stipules 
6—18 lines long, from broadly to narrowly lanceolate and often slight- 
ly faleate: leaflets of the lowest leaves obtusish and of narrowly 
cuneate-obovate outline, of the upper from oblanceolate to rhombie- - 
obovate and very acute: raceme short and rather few-flowered: calyx- 
teeth triangular-subulate and about as long as the campanulate tube: 
petals of the wings and keel notably longer than the banner: pods 
long, spreading, silky-tomentulose. Modoc County, California, perhaps 
in southeastern Oregon. 
Tribe 2. Genister DC. Prodr. ti, 115. Herhs or shrubs with 
simple or compound estipellate leaves. and papilionaceous flowers. 
Stamens 10, monadelphous; anthers of two forms. Pod continuous, 
1-celled, sometimes intercepted internally, but not jointed. Radicle 
ancurved or inflexed. 
2 LUPINUS Tourn. L. Gen. n. 865. 
- Herbaceous or rarely shrubby plants with palmately 5-15-folio- 
