BORAGE FAMILY 727 



1. C. recurvata Coville. Stem 5-15 cm. high, erect, branching, strigose, or 

 in age hirsute; leaves Unear-Ianceolate or hnear, 8-15 mm. long; racemes secimd; 

 sepals linear-filiform, 2 mm. long, in fruit 3-4 mm., recurved; corolla 2 mm. long; 

 nutlet single, 1.5-1.8 mm. long, mviricate, ovate-lanceolate, acuminate: groove 

 2-forked at the base. Bluffs and mountains: s Calif. — Nev. — w Colo. — s Utah. 

 Son.—Subinont. Ai>-Je. 



2. C. crassisepala (T. & G.) Greene. Stem diffusely branched, 1-2 dm. 

 high, hispid; leaves oblanceolate or linear-spatulate, 1-3 cm. long; catyx-lobes 

 linear, 5 mm. long, in fruit 8-10 mm. long; corolla 5 mm. long; limb 1 mm. wide; 

 groove of the nutlets open, forming an open lance-ovate areola below. Kryni'zkia 

 crassisepala A. Gray. Loose soil, "prairie-dog towns," and waste places: Sask. 

 — Tex. — Utah— -Vita.; n Mex. Plain— Submont. My-Jl. 



3. C. Kelseyana Greene. Stem branched, 1-2 dm. high, hispid; leaves 

 linear-oblanceolate, obtuse, 3-5 cm. long, hispid; caljoc-lobes subulate, 3-4 mm. 

 long, in fruit 6-8 mm.; corolla 4 mm. long; limb scarcely 1 mm. wide; nutlets 

 lanceolate; groove narrow, opening only at the base into a small areola. Dry 

 sandy soil: Sask.^Colo. — Mont. Plain — Suhmont. Je-Jl. 



4. C. minima Rydb. Dwarf, beginning to bloom when only 1 cm. high; 

 stems several, erect; leaves spatulate or oblanceolate, obtuse, hirsute on both 

 sides, 5-15 mm. long and 2-3 mm. wide; corolla 2.5-3 mm. long; limb a little 

 over 1 mm. broad; nutlets whitish, about 1 mm. long; groove triangular-dilated 

 at the base. River valleys: Colo. Suhmont. My-Je. 



5. C. barbigera (A. Gray) Greene. Stem hispid, branched, 1-3 dm. high; 

 leaves broadly linear, hispid, 3-8 cm. long; calyx-lobes linear, in fruit 6-8 mm. 

 long, bristly; corolla 5 mm. long, limb 1-3 mm. wide; nutlet 2 mm. long or more, 

 ovate, acuminate, strongly muricate-papillose; groove narrow, widening into a 

 small areola at the base. Krynitzkia barbigera A. Gray. K. mixta M. E. Jones. 

 Arid hills and mountains: s Utah — -Ariz. — Calif. Son. Ap-My. 



6. C. multicaulis A. Nels. Stem branched at the base, 1.5-3 dm. high, hir- 

 sute; leaves numerous, 2-3 cm. long, white-hispid; sepals about 5 mm. long; nut- 

 lets ovate, less than 2 mm. long, sparingly and minutely muricate; groove narrow, 

 forked at the base, but without open areola. Dry and sandy places: Nev. — 

 Colo. — Mont. — Wash. Plain — Suhmont. Je-Au. 



7. C. scoparia A. Nels. Stem about 1.5 dm. high, fastigiately branched 

 from the base, with erect branches, sparingly hi.spid; leaves linear, hispid, the 

 hairs with ])ustulate bases; racemes numerous; calyx-lobes very narrow, thick, 

 4-5 mm. long in fruit; nutlets 4, about 2 mm. long, muricate, brown, with the 

 murications silverj'-gray; groove scarcely forked at the base. Sage-brush plains: 

 Ida. Plain. Jl. 



8. C. ambigua (A. Gray) Greene. Stem slender, branched, 2-4 dm. high, 

 more or less liirsute; leaves l-A cm. long, hirsute; nutlets muricate; groove barely 

 open at the two-forked base. C. muriculata montana A. Nels. (?) C. depressa 

 A. Nels. K. ambigua A. Gray. River banks and dry places: B.C. — Mont. — 

 — Wyo. — Utah — Cahf. Son. — Suhmont. Je-Jl. 



9. C. leptophylla Rydb. Stem 1.5-3 dm. high; leaves narrowly linear, 1-3 

 cm. long, strigose; inflorescence cymose, short; calj'x-lobes linear-filiform, 3-4 

 mm. long, white-silky, with long spreading hairs; corolla minute, shorter than 

 the calyx; limb hardly 0.5 mm. wide; nutlets 3 mm. long, narrowly lanceolate, 

 long-acuminate, strongly miu-icate; groove closed, 2-forked at the base. Arid 

 regions: s Utah. Soti. 



10. C. flaccida (A. Gray) Greene. Stem with ascending branches, 1-5 dm- 

 high; leaves 2-5 cm. long, grayish strigo.se; spikes many-flowered, in age slender; 

 calyx-lobes about 3 mm. long, in fruit only shghtly elongate, hispidulous; corolla 

 4 mm. long; lunb about 2 mm. wide; nutlet ovate-lanceolate, long-acuminate, 3 

 mm. long. K. o.r)/carpa A. Gray. Banks, hills, and dry prairies: Wash. — Ida. 

 • — Calif. Son. — Plain. Ap-Je. 



11. C. affinis (A. Gray) Greene. Stem 2-3 dm. high, strict, with erect 

 branches, pilose; leaves 2-3 dm. long, grayish hinsute; flower-clusters at first 



