BORAGE FAMILY 713 



Calyx not circunxscissile. 



Nutlets oblique or incurved* attached by a mf'iian false caruncle. 



8. Plagiuuothrts. 



Nutlets erect, the groove or scir of attachment naked. 



Plants dichotomously branched; raccnies biserlal; caljrx cleft 



to the base. 9. Eremocarta, 



Plants not dichotomously branched; intlorescence racemi- 



form or th>Tsoid; 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. Oreck ARYA, 

 Annuals, mostly \n itli bractleas racemose inllurcsccnce. 



12. Cryitantiia. 



Calyx nearly cloi^od in fruit; leaves proper opposite, 

 with connate base-s; aanuals. H. Allocauya. 



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

 but not dichotomous aimuals. 12. Cryi^axtha, 



Corolla "yellow or orange, often with naked tlu"oat; cotyledons 2-cleft. 



13. AMsrvcKiA. 



Receptacle flat or merely convex. 



Scar of the nutlets small and marginless. 



Nutlets obliquely attached; flowers mostly bractle^; corolla blue or white, 



with funnelform throat. 14. Merten'SIA. 



Nutlets attached by the very base. 



Corolla salverform or fminelform, 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 imbricate in 

 the bud. 16. LiTHObPEiiMVM. 



Corolla tubular, its lobes erect, acute, other^vise as in Lithospermum. 



17. OXOSMODUIM. 



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

 Fomices in the throat of the corolla short, blunt. 18. Anchusa. 



Fomices long, linear or lanceolate, 19. Sy'mi'HYTum. 



1. PECTOCARYA DC. 



Small dichotomously branched annuals. Leaves alternate, narrowly linear. 

 Flowers perfect, regular, minute, scattered. Cal^-x 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. 



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

 ending in an imcinate prickle. 1. -P. linearis. 



Outlets oblong, their wings not laciniate, sinuately lobed, imcinate-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 

 ^m hiVh- 1en.vps narrowlv linear. 1-4 cm. lone: corolla nearlv 2 mm. lons» longer 



than the hnear 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. — Calif.; L. Calif. Son. Mr-Je. 



2. GRUVELIA A. DC. 



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

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

 lobes reflexed in fruit. Corolla salverform, with a crown of smaU fomices, 

 nearly closing the throat. Stamens included. Xutlets radiatel3" 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 linear-oblanceolate or linear, 1-3 cm. long; 

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

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



