BORAGE FAMILY 737 



3. M. virginica (L.) B.S.P. Stem branched from the base, 0.5-3 dm. high, 

 hirsute; basal leaves spatulate, 1-3 cm. long; stem-leaves linear-oblong; corolla 

 white, very small. Dry banks and rocky woods: Me.— Ga. — Tex.— Ore. — B.C. 

 Ap-Je. 



16. LITHOSPERMUM (Tourn.) L. Gromwell, Puccoon, 



Indian Paint, 



Annual or perennial caulescent herbs. Leaves alternate, entire, narrow, 

 hirsute. Flowers perfect, regular, in bracted spikes or racemes. Calyx jicr- 

 sistent, 5-lobed. Corolla salverform or funnelform, white or yellow; tube often 

 elongate; throat either appendaged or pubescent; lobes 5, entire, erose, or toothed. 

 Stamens included. Stigma ca])itate or 2-Iobed. Nutlets white, shining and 

 smooth, or brown and wrinkled, attached by their very bases to the flat recep- 

 tacle. 



Annuals; nutlets duU. brownish, coarsely wrinkled and pitted. 1. L. artensc. 



Perennials, with thick taproots; nutlets white and shining. 



Corolla-lobes neither fimbriate nor toothed; flowers all well developed. 



Corolla greenish or pale yellow, 1 cm. or less long; crest in the throat obsolete; 



plant very leafy, with the flowers mostly on the short branches. 

 CoroUa-limb 3-5 mm. wide; tube not longer than the calj'x; stem grayish 



strigose, but scarcely liispid. 2. L. Torreyi. 



Corolla-limb 5-8 mm., wide; tube longer than the calyx. 



Leaves linear or narrowly liuear-laQceolate; stem very hispid; plant canes- 

 cent. 3. L. Tuderale, 

 Leaves lanceolate, long-attenuate; stem scarcely hispid; plant green. 



4. L. lanceolatum. 

 Corolla bright yellow or orange, more than 1 cm. long ; crest in the throat prom- 

 inent. 

 Floral leaves of the later flowers small, shorter than the flowers ; limb of the 



corolla 6-8 mm. wide. 5. L. multiflorum. 



Floral leaves of the later flowers not reduced; Umb of the coroUa 8-20 nun. 



wide. 

 Hispid-pubescent; coroUa-tube bearded at the base within. 



6. L. Gmelini. 



Canescent ; corolla-tube not bearded at the base within. 



7. L. canescens, 



CoroUa-lobes of the early flowers flmbriate or dentate; later flowers cleistogamous . 

 CoroUa of the early flowers 2.5-3 cm. (rarely only 2 cm.) long; lobes distinctly 



fimbriate. 

 Plant hirsute. 8. L. asperum. 



Plant appressed-canescent. 



Leaves narrowly linear. 9. L. linear \ folium. 



Leaves spatulate to linear-oblong. 10. L. oblongum. 



Corolla of the early flowers 2 cm. or less long; lobes dentate. 



CoroUa 15-20 mm. long; Umb 8-10 mm. wide; stem low, ascending or de- 

 cumbent. .11- •^- mandanense. 

 CoroUa 10 mm. or less long; Umb 6-8 mm. wide; stem strict, 2-4 dm. high, 

 mostly simple, or ^\ith erect branches. 12. L. brecifiorum. 



1. L. arvense L. Stem 2-5 dm. high, strigose, simple or bianched at the 

 base; leaves lanceolate, linear, or oblong, sessile or the lower short-i>etioled,_ canes- 

 cent-strigose ; corolla white, about 6 mm. long; calyx equalling or exceedmg the 

 oorolla-tube; nutlets 2 mm. long. Waste places and fields: (Jue.— Ga.— Kans. 

 — Minn.; Utah; Mont.; nat. from Eu. Plain— Son. My-Au. 



2. L. Torreyi Nutt. Stem erect, 2-4 dm. high; leaves Knear or hnear- 

 lanceolate, 3-8 cm. long, strigose; corolla 6-8 mm. long; nutlets 5 mm. long, 

 ovoid. Hills and canons: Mont.— Colo.— Utah— Ida. Plain— Submont. Je- 



Au. 



3. L. ruderale Lehm. Stem 3-5 dm. high; leaves 3-8 cm. long, canescent, 

 pUose, or strigose; coroUa 10-12 mm. long; nutlets shghtly wrmkled, 5 nmi long. 

 X. pilosum Nutt. Hills: Alta.— Colo— Nev.— B.C. Plain— Suhmont Ap-Jl. 



4. L. lanceolatum Rydb. Stem 3-6 dm. high, strigose; lower leaves linear- 

 lanceolate, the upper lanceolate, 4r-10 cm. long, finely strigose; corolla yeUo^nsh 

 8-10 mm. long; nutlets 5-6 mm. long. Hills, canons, and plams: MonL— Ltah 

 — Cahf.— Wash. Plain—SubmonL IMy-Jl. 



5 L. multiflorum Torn Stem strigose or somewhat hirsute, 3-6 dm. high, 

 virgately branched above; leaves linear or Unear-lanceolate, appressed-stngose 



