728 BORAGINACEAE 



almost sub-capitate; calyx-lobes subulate, pilose-hirsute with yellowish hairs; 

 corolla 4 mm. long, about 1 mm. wide; nutlets ovate, thin-walled, whitish. K, 

 affinis A. Gray. Dry places: Wash. Mont. Wyo. Utah Calif. Son. 

 Submont. My-Jl. 



12. C. leiocarpa (Fisch. & Mey.) Greene. Annual; stem branched, hispid 

 with ascending hairs, 2-4 dm. high; leaves 2-5 cm. long, hirsute; flower-clusters 

 short and dense; corolla 3 mm. long, about 1 mm. wide; nutlets ovate, glossy, 

 brown, 2 mm. long. K. leiocarpa Fisch. & Mey. Hills and sandy places: B.C. 



-Sask. Utah Calif. Mr-Au. 



13. C. confusa Rydb. Stem rather stout, hispid, branched; leaves 2-5 cm. 

 long, 3-8 mm. wide, coarsely hirsute; calyx-lobes 2 mm. long, lance-subulate, 

 hispid, in fruit 3-4 mm. long; corolla about 3 mm. long; limb scarcely 1 mm. 

 wide; nutlets ovate, 2 mm. long, light-colored, thin- walled, attached by the 

 lower half or two-thirds. River valleys and open woods: B.C. Mont. Wyo. 



-Utah. Plain Submont. Je-Au. 



14. C. gracilis Osterh. Stem slender, erect, branched, 1-1.5 dm. high, 

 hirsute; leaves few, remote, linear-oblanceolate, obtuse, 1-2 cm. long, hispid on 

 both sides; spikes rather slender; calyx-lobes 2 mm. long, in fruit 3 mm., hispid 

 with whitish or yellowish hairs; corolla white, 3 mm. long; limb less than 1 mm. 

 wide; nutlet lance-ovate, acuminate, smooth, 2 mm. long. C. Hilmanii Nels. & 

 Kenn. Dry places: Colo. Utah Ida. Submont. Je. 



15. C. grandiflora Rydb. Stem branched, 2-4 dm. high, hirsute with white 

 hairs; leaves broadly linear, lanceolate or oblong, 3-5 cm. long, 5-10 mm. wide, 

 hirsute; calyx-lobes 3 mm. long, in fruit 5 mm.; corolla 4-5 mm. long; nutlets 

 2.5 mm. long, shining, smooth, rather thin-walled. River valleys: Wash. Ida. 

 Ore. Son. Ap-Jl. 



16. C. Torreyana (A. Gray) Greene. Stem with ascending branches, hir- 

 sute; leaves linear, 2-4 cm. long, 2-5 mm. wide, hirsute; calyx 3 mm. long, in 

 fruit 4-5 mm. long, hispid; corolla 4 mm. long; limb 1-2 mm. wide; nutlets 

 about 2 mm. long. Krynitzkia Torreyana A. Gray. Dry places: B.C. Alta. 



Colo. Utah Calif. Plain Mont. Je-Au. 



17. C. calycosa (Ton.) Rydb. Stem branched, 2-4 dm. high, hispid; leaves 

 oblong or oblanceolate, 2-4 cm. long, 4-8 mm. wide, hispid; racemes short, but 

 elongating in fruit; calyx-lobes about 3 mm. long, in fruit 6-7 mm., subulate, 

 hispid; corolla 3-4 mm. long, about 1 mm. broad; nutlets 2.5 mm. long. C. 

 flexuosa A. Nels. K. Torreyana calycosa A. Gray. Stony and sandy places: 

 Mont. Wyo. Nev. Wash. Submont. Jl-Au. 



18. C. Watsoni (A. Gray) Greene. Stem hispidulous, 2-3 dm. high; leaves 

 linear, 2-5 cm. long, hispid; calyx-lobes linear, hispid, 3 mm. long; corolla white, 

 about 4 mm. long; limb 1.5 mm. wide. K. Watsoni A. Gray. Hills and moun- 

 tain slopes: Utah Wyo. Colo. Submont. Je-Au. 



19. C. Patterson! (A. Gray) Greene. Stem branched at the base, 1-2 dm. 

 high, hirsute; leaves 2-5 cm. long, 3-5 mm. wide, hispid; calyx-lobes 2.5 mm. 

 long, in age 4 mm. long; corolla 4 mm. long, 1-1.5 mm. wide; nutlets lanceolate, 

 more or less mottled, attached by its lower half. K. Pattersoni A. Gray. Hill- 

 sides and dry places: S.D. Colo. Wyo. Ida. Submont. Mont. My-Jl. 



20. C. Fendleri (A. Giay) Greene. Stem erect, hirsute with ascending 

 hairs; calyx-lobes linear, 2-3 mm. long, very hispid; corolla 3 mm. long; limb 

 scarcely 1 mm. wide; nutlets ovate, acuminate, mottled, attached by their whole 

 length. K. Fendleri A. Gray. River valleys and sandy places: Sask. Neb. 

 N.M. Ariz. Mont. Plain Submont. Je-Au. 



21. C. ramulosissima A. Nels. Stem densely and intricately branched, 

 2-3 dm. high, densely hispid; leaves small, 1-3 cm. long; sepals linear-subulate, 

 2-2.5 mm. long, in fruit 5-6 mm. long, densely hispid; corolla minute; nutlets 

 lanceolate, acuminate, 2 mm. long. Sandy plains: Wyo. Plain. Jl-S. 



22. C. pterocarya (Torr.) Greene. Stem slender, branched, hirsute, 2-3 

 dm. high; leaves linear or the lower linear-spatulate, hispid; corolla 4 mm. 



