PEA FAMILY 515 



2.5-3 cm. long, about 5 mm. wide. A. Episcopus S. Wats. -4. Coltoni M. E. 

 Jones. Hills: Utah. Son. 



3S. H. collinus (Dougl.) Rydb. Stems erect, cinereous-pilose; leaflets 

 15-23, linear or Unear-oblong, obtuse or retuse, 7-15 mm. long, villous-hirsutu- 

 lous beneath, glabrate above; raceme 5-10 cm. long; cal}-x villous: tube about 

 8 mm. long; lower teeth lance-subulate, the upper triangular, aU about 2 mm. 

 long; corolla ochroleucous, about 15 mm. long; pod densely pilose; stipe about 

 1 cm. long: body linear, straight, about 2 cm. long, tapering at both ends. A. 

 coUiriu-s Dougl. Mountain sides: B.C. — Ida. — Ore. Son. My-Je. 



40. H. curvicarpus (Sheld.) HeUer. Stem 3-6 dm. high, cinereous-pilose, 

 vdxh. crisp hairs, branched and often flexuose: leaflets &-17, obovate or obovate- 

 cimeate, truncate to emarginate at the apex, 8-15 mm. long, more or less pubes- 

 cent on both sides, with crisp hairs; cahTt densely pilose; tube 7-8 mm. long; 

 teeth triangular, 1-1.5 mm. long; pod finely pubescent; stipe 10-12 mm. long; 

 body curved, 3 cm. long, 4 mm. wide, tapering at both ends. A. speirocarpus 

 faldformu A. Gr^y. Sandy or drj' soil: Ida. — Xev. — Calif. — Wash. Son. My-Jl. 



41. H. Hallii (A. Gray) Rydb. Stems adsurgent, 2-4 dm. high, strigose, 

 leafy: leaflets 19-25, linear-oblong to eUiptic-cuneate, truncate or retuse, 5-10 

 mm. long, strigose beneath, glabrous above; raceme dense: cah-x strigose; tube 

 4—5 mm. long; teeth triangular-subulate, 1 mm. long; corolla purple, 12-15 mm. 

 long; pod 2—2.5 cm. long, oblong-eUiptic, tapering at both ends, short-stipitate, 

 glabrous, 5 mm. thick. .4. HaUii A. Grav. Mountains: Colo. Suhmont. — 

 Mord. Jl-Au. 



42. H. Fendleri (A. Gray) Rydb. Stems adsurgent, 3-5 dm. high, glabrous 

 or nearly so; leaflets 13-25, oblong or linear-oblong, obtiise or retuse. 8-20 mm. 

 long, sparingly strigose beneath, glabrous above; cal;\-x strigose, with dark hairs; 

 tube 3 mm. long, lanceolate or triangular, 1 mm. long; corolla 10-12 mm. long, 

 purple: pod oblong-obovoid, about 2 cm. long, 7-8 mm. in diameter, strigiUose 

 or glabra te. Phaca Fendleri A. Gray. A. Fendleri A. Graj". River bottoms 

 in the moimtains: X.M. — Colo. Submont. My-Je. 



43. H. flexuGSUS (Dougl.) Rydb. Stems erect to decumbent, usuaU}- flexu- 

 ose, strigose, 3-6 dm. long; leaflets 13-21, linear-oblong to elUptic-cuneate, obtuse 

 or retuse, glabrous above, strigose beneath, 5-15 mm. long; racemes lax; cah"x 

 strigose; tube 3 mm. long: teeth subulate, 1 mm. long; coroUa purple, or white 

 tinged with purple: pod cyhndric, 1.5-2 cm. long, 4 mm. thick, strigose, acute at 

 both ends, straight or sUghtly curved. Phaca elongaia Hook. A. flexuosus 

 Dougl. Dn- plains: Sask. — Minn. — Kans. — X.M. — Utah — Alta. Plain — Mord. 

 My-Jl. 



44. H. proximus Rydb. Stems erect, 2-3 dm. high, grayish strigose; leaf- 

 lets o-ll. hnear or Unear-oblong, obtuse, 5-11 mm. long. grajTsh strigose; cah-x 

 about 2.5 mm. long, strigose; corolla 4-5 mm. long, white or ochroleucous; pod 

 oblong-linear, terete, glabrous, about 12 mm. long and 3 mm. in diameter. Dr\' 

 places: Colo. Submont. Je. 



45. H. Salidae Rydb. Stem 3 dm. or more long; leaflets 15-21, oblong- 

 oblanceolate to narrowly linear, 8-15 mm. long, strigose; racemes lax; cah-x 

 strigose and slightly blaek-hain,-, about 3 mm. long; teeth short, triangular; 

 coroUa about 8 mm. long, purple- veined ; pod narrowly linear-oblanceolate, 

 terete or nearly so, 2-2.5 cm. long, 2 mm. in diameter, fineh' strigose, ven,- acute 

 at the apex. Dr\- places: .Colo. Submont. Au. 



46. H. macrocarpus (A. Gra^-) Rydb. Stems 4-8 dm. high, strigose- 

 canescent: leaves -5-10 cm. long, the upper often reduced to filiform phyUodes: 

 leaflets 0-5, hnear to flhform, strigose-canescent, 1-3 cm. long; raceme lax, 2^ 

 dm. long; calj-x strigose-canescent; tube about 7 mm. long; teeth lanceolate, 

 1.5-2 mm. long; pod long-stipitate, glabrous; stipe about 1 cm. long; body lance- 

 hnear, tapering at both ends, 3-4 cm. long, 4-5 mm. thick. A. lonchocarpus A. 

 Grav. {?) A. duchanensis 'SI. E.. Jones. J[. wj<2<;eT A. Xels. Sand v places: X.M. 

 —Colo.— Utah. Mv-Je. 



