BORAGE FAMILY 713 



Calyx not circumscissile. 



Nutlets oblique or iacurved, attached by a median false caruncle. 



8. Plagiobothrys. 

 Nutlets erect, the groove or scar of attachment naked. 



Plants dichotomously branched; racemes biserial; calyx cleft 



to the base. 9. Eremoc.\rt.\. 



Plants not dichotomously branched; inflorescence racemi- 

 form or thyrsoid; its branches uniserial; calyx not 

 cleft to the base. 

 Calyx-lobes spreading in fruit; leaves alternate. 



Perennials, with bracted racemose or thyrsoid inflor- 

 escence. 10. Oreocarya. 

 Annuals, mo.stly with bractless racemose inflorescence. 



12. Cryptantha. 

 Calyx nearly closed in fruit; leaves proper opposite, 



with connate bases; annuals. 11. Allocarya. 



Pedicels in fruit falling off with the calyx; the latter closed; branched 

 but not dichotomous annuals. 12. Cryptantha. 



Corolla yellow or orange, often with naked tliroat; cotyledons 2-cleft. 



13. Amsinckia. 

 Receptacle flat or merely convex. 



Scar of the nutlets small and marginless. 



Nutlets ol)li(iui'l\- attaclied; flowers mostly bractless; corolla blue or white, 



with funnrlfonn tliroat. 14. Mertensia. 



Nutlets attached by the very base. 



Corolla salverform or fimnelform, its lobes rounded and spreading. 



Racemes not bracted; corolla In ours blue, its lobes convolute in the 



bud. 15. Myosotis. 



Racemes bracted; corolla yellow or yellowish, its lobes imbricated in 

 the bud. 16. Lithospermum. 



Corolla tubular, its lobes erect, acute, otherwise as in Lithospermum. 



17. Onosmoditim. 

 Scar of the nutlets large and excavated, bordered by a prominent margin. 

 Fornices in the throat of the corolla short, blunt. 18. Anchus.\. 



Fornlces long, linear or lanceolate. 19. Symphytxjm. 



1. PECTOCARYA DC. 



Small dichotomously branched animals. Leaves alternate, narrowly linear. 

 Flowers perfect, regular, minute, scattered. Calyx deeply 5-cleft; lobes spread- 

 ing or reflexed in fruit. Corolla salverform, with a crown nearly closing the 

 throat. Stamens included. Style short; stigma capitate. Nutlets spreading, 

 in pairs, thin, with laciniate or at least undulate wings, attached at the inner end 

 to the depressed receptacle. 



Nutlets linear or linear-oblong, their wings pectinately or laciniately toothed, each tooth 

 ending in an uncinate prickle. 1. P. linearis. 



Nutlets oblong, their wings not laciniate, sinuately lobed, uncinate-prickly usually 

 only at the apex, sometimes with a few prickles on the sides. 2. P. penicillata. 



1. P. linearis (R. & P.) DC. Stem strigose, branched at the base, 5-20 

 cm. high; leaves narrowly linear, 1-4 cm. long; corolla nearly 2 mm. long, longer 

 than the linear calyx-lobes; nutlets 3-4 mm. long. Gravelly soil: Calif. — s Utah 

 — Ariz.; Mex. and S. Am. L. Son. F-My. 



2. P. penicillata (H. & A.) A. DC. Stem branched at the base, strigose, 

 3-20 cm. long; leaves linear, 0.5-2 cm. long, strigose; corolla white, 1-1.5 mm. 

 long; nutlets oblong or somewhat fiddle-shaped, 2-2.5 mm. long. P. miser A. 

 Nels. Sandy soil: B.C.— Wyo.— Ariz.— Cahf.; L. Cahf. Son. Mr-Je. 



2. GRUVELIA A. DC. 



Small branched annuals. Leaves alternate, narrowly Unear. Flowers perfect, 

 regular, minute, scattered, irregularly opposite the leaves. Calyx deejily 5-cleft; 

 lobes reflexed in fruit. Corolla salverform, with a crown of small fornices, 

 nearly closing the throat. Stamens included. Nutlets radiately divergent, 

 flat, depressed, thin, attached at the inner end to the depressed receptacle, 

 prickly on the back, the rim or wing-margin entire. 



1. G. setosa (A. Gray) Rydb. Diffusely branched annual; stem more or 

 less hirsute as well as strigose; leaves hnear-oblanceolate or linear, 1-3 cm. long; 

 corolla white, not exceeding the linear-oblanceolate obtuse sepals; nutlets broadly 

 obovate, 2-2.5 mm. long, surrounded by a thin wing-margin, prickly on the back 



