128 UEGKUMlNOSiE. lopinls. 



L. argeiiteus Pursh Fl. 408. Silvery canescent : stems erect or ascend- 

 ing, cespitose 1—2 feet high, slender and branching: pubescence minute, 

 silky, appressed: stipules small: leaflets 5—8, linear-lanceolate, 1—2 

 indies long, acute, smooth above or nearly so. about equalling the pet- 

 ioles: racemes 2 6 inches long, nearly sessile: flowers subverticillate 

 or scattered; pedicels 1—2 lines long; calyx campanulate, gibbous but 

 not spurred at base, upper lip broad. 2-toothed, the lower subentire, 

 slightly longer: petals blue or cream-color, equal, 3—4 lilies long, the 

 upper one very broad, naked or subpubeseont. keel naked or subeiliate; 

 OVUies •". 5. Plains of the Columbia and Snake rivers. 



*** Dwarf, short stemmed, mostly cespitose: racemes mostly 

 short and dense : bracts subpersistent ; flowers subverticillate. short- 

 peduncled : calyx with the upper lip deeply cleft, the lower 3- toothed, 

 keel ciliate: ovules 3 — 15: pods hairy, 1 — 4-seeded. 



L. cespitosus Nutt. T. & G. Fl. i, 370. Stems very shor. and cespi- 

 tose: pubescence dense, villous, appressed: leaflets 5—7, oblanceolate. 

 0—12 lilies long, acute, the petioles thrice longer: racemes sessile, 

 shorter than the leaves: bracts setaceous, exceeding the calyx: petals 

 pale blue, equal. 3—4 lines long, the upper one narrow, 2 lines broad: 

 pods lines long. Eastern Oregon to Colorado. 



L. aridus Dougi. Hot. Reg. xv. t. 124. Stems cespitose. 2—3 inches 

 long, with rather long internodes: pubescence silky-hirsute, fulvous. 

 appressed: leaflets 5—7. oblanceolate, acute, 9—12 lines long, the pet- 

 ioles 3—4 times longer: racemes dense. 2 3 inches long, the peduncles 

 shorter than the leaves: bracts nearly equalling the calyx: upper lip 

 of the calyx shortly toothed, the lower subentire petals purple. 5 lines 

 long, nearly twice longer than the calyx, the elliptical upper one usual- 

 ly snorter: pods 5 lines long, very hairy. In sandy or gravelly places. 

 Washington to California. 



Li. Lobbii Gray in Herb- Watson 1. c. 533. L. r,i<l<is var. Lobbii Wat- 

 son. Steins cespitose, 1- 3 inches long, leafy: pubescence silky, ap- 

 pressed: leaflets 5—7, oblanceolate to obovate, 6—8 lines long, the pet- 

 ioles 2—3 times longer: racemes dense, 1—2 inches long, peduncles 

 shorter than the leaves: bracts nearly equalling the calyx: upper lip 

 of the calyx deeply bifid, the lower slightly trifid; petals purple, the 

 upper one orbicular, in alluvial prairies and hillsides. Washington to 

 ( Jalifornia. 



I., minimus Dougl. Hook. Fl. i, 10.".. Appressed silky-villous. 3—0 

 inches high: leaflets 5 p. obovate or lanceolate, 3—8 lines long, mostly 

 acutish, the petioles .". 1 times longer: pedicels equalling or exceeding 

 the leaves: bracts short, deciduous: calyx half the length of the 

 petals, upper lip deeply bifid; petals purple. 4— 5 lines long, equal, the 

 upper one orbicular. Eastern Oregon and Washington. 



L. Cusickii Watson Free. Am. Acad. xxii. 469. Canescent through- 

 out With soft appressed hairs: stems 2 1 inches high, much branched 

 from I he biennial or perennial root: leaflets 5 8 oblanceolate. slightly 

 less villous above. :; -9 lines long, the petioles usually elongated: ped- 

 uncles mostly very short, the loosely fow-tlowored racemes shorter than 

 the leaves: flowers purple, 3 — 1 lines long: calyx narrowly lobed 

 1 .". linos long: upper petal glabrous, keel ciliate: pods villous with 

 short appressed hairs. 2—3 seeded. \ 5 linos long. On sterile hillsides, 

 I nion < Jounty, < Oregon. 



L.. Breweri Gray Croc Am. Acad. vi. :'>:»!. Stems 2 inches long, 

 from :i spreading branched woody caudex, very leafy, pubescence 

 dense, villous, appressed : leaflets 7 10 obovate. obtuse, 4- lines long, 

 the petioles i 2 times longer: racemes very short; peduncles equall- 

 ing the leaves: bracts short; lips of the calyx nearly equal, the upper 



