90 BORRAGINACafi. 



Var. calycosa, Gr. Flowers crowded, somewhat capitate: calyx longer. 



12. K. dumetorum, Greene. Almost climbing: papillose-hispid: 2 sepals united. 



13. K. barbigera, Gr. Nutlets gray, very rough, rarely all fertile. 



14. E. intermedia, Gr. Nutlets thickly muricate, groove with open basal ecar. 



15. K ambigua, Gr. Nutlets minutely muricate, groove widely forked. 



16. BL muriculata, Gr. Stout: spikes 2-3-radiate: nutlets triangular-ovate. 



17. E. Jonesii, Gr. Slender: spikes more numerous, paniculate: calyx smallet. 



18. K. micromeres, Gr. Hispid, diffuse: spikes filiform: flowers minute, 



19. K. micrantlia, Gr. var. lepida, Gr. Roots red: hispid: corolla 24 lines long. 



7. PLAGIOBOTHRYS, Fischer & Meyer. 

 * Nutlets not on ttipe-lihe attachments: calyx more or less villous with yellounsh or rusty 

 hairs, sometimes deciduous above the base (circwmacis^le). 



Sepals nearly distinct; in fruit 3 liaes long, lax: nutlets broadly ovate 1 



Calyx deeply 5-cleft: giving a violet stain to paper 2, 3, 4 



Calyx cleft nearly to the base, 2-3 lines long in fruit not connivent 5 



Calyx cleft half way, silky, in fruit connivent, soon ciroumsoissile » 6 



" * Nutlets on atipe-lihe attachments: hispiduUms 7 



1. P. rufescens, F. 4; M. Stems slender from rosulate tuft of radical leaves. 



2. P. tenellus, Gr. Radical leaves rosulate: nutlets 4-lobed or cross-like, shining. 



3. P. Shastensis, Greene. Similar, with larger flowers and nutlets. Mt. Shasta. 



4. P. Torreyi, Gr. DiflFusely procumbent, hispiduloua: leaves oblong. 



5. P. canescens, Benth. Villous : spikes, as in the last, often leafy below. 



6. P. nothofulvus, Gr. Rosulate leaves thin: corolla 2 or 3 lines broad. 



7. P. Cooperi, Gr. Diffuse: corolla 2 or 3 lines broad, throat closed. 



8. OMPHALODES, Toumefort. 

 1. O. Howardi, Gr. Silky, silvery; flowers few: corolla 4-5 lines broad. Or. 



9. ECHINOSPEBMUM:, Lehmann. 



Prickles of the fruit barbed at apex only: calyx in fruit reflexed , 1 JJ, a 



Prickles barbed to the base: crests of small white corolla small 4 



1. E. Californioum, Gr. Corolla short-funnelform, blue, 2-6 lines broad. 



2. E. floribundum., Lehm. Corolla rotate, blue or often white, 2-3 lines broad. 



3. E. diffusuia, Lehm. Similar corolla 4-9 lines broad: back of nutlet naked, 

 4 E. Greene!, Gr. Diffuse: nutlets triangular-ovoid: prickles terete. N. CaL 



10. CYNOGLOSSUM, Lehmann. 



1. 0. occidentale, Gr. Hispidulous: upper leaves sessUe; lower, spatulate. 



2. 0. grande, Doiigl. Soft-villous becoming glabrate: leaves all petioled. 

 Var. IsBve, Gr. Smooth: corolla smaller, lobes shorter than tube. 



