SCROPUDLAUlACEiE. 97 



* " QldbrmiSf orinfiorescense puheruleiit or viscid: leaves toothfdor jnnnatijid: aUrileJilaiiw^u 

 hairy, corolla funnelform, moderately lnllt/iat,e. 



Corolla over an iuoli long, lobea and all the stameus sparsely hairy i^O 



Corolla an inch long or usually less 21, 22, 23 



* * * Olahroxis or puberlent: leaves all entire. 



Corolla 6 lines long, slender: sterile filaments bearded 24 



Corolla short bilabiate, 8 to 18 lines long: sterile filament naked. 



v' Calyx glandular or viscid: leaves lanceolate to spatulate 25, 26 



-'Calyx not glandular or viscid: thyrsus usually narrow 27, 28, 29 



1. P. Menziesii, Hooker. Leaves 3-12 lines long: corolla violet to pink. Cal. N. 

 Var. Newberryi, Gr. Corolla roae-purple or pink. Southern Sierras. 



2. P. cordifolius, Benth. Climbing over bushes, very leafy. San Luis Obispa S. 



3. P. corymbosus, Benth. Erect, 1 or 2 ft. high, leafy: cyme cor) mboae. 



4. P. tematus, Torr. Branches slender: upper leaves in 3's. Keru Co. S. 



5. P. breviflonis, Lindl. Sterile filament naked. Sierra Nevada. 



6. P. liemmoni, Gr. Paniculate: sterile filament yellow bearded. N. Cent. CaL 



7. P. antirrhinoides, Benth. Branched, leafy, paniculate: corolla pale yellow. 



8. P. glaber, Pursh. Wide corolla 1 to IJ in. long. Sierras eastward. 



9. P. centranthifolius, Benth. Very glaucous: corolla tubular, bright scarlet. 



10. P. spectabilis, Thurber. Corolla rose-purple or lilac, the limb violet. 



11. P. CleTelandi, Gr. Corolla crimson, 9 lines long: sterile filaments bearded. 



12. P. Palmeri, Gr. Corolla 8-9 lines broad: sterile fil. densely yellow-bearded. 



13. P. Battani, Gr. Leaves 3-8 in. long, denticulate: corolla pale purple. N. W^Ca. 

 Var. minor, Gr. Smaller: corolla 6-7 lines long. Klamath and Trinity R. 



Var. Kleei, Gr. Between the foregoing in size. High peak near Santa Cruz. 



14. P. pruinosus, Dougl. Pubescent: corolla deep blue, hairy. Or. Wash. 



15. P. ovatus, Dougl. Pubescent: leaves ovate, serrate, green: corolla purple blue. 



16. P. confertus, Dougl. Thyrsus in 2-5 dense whorls: corolla yellowish, smalL 



17. P. deustus, Dougl. Tufted, woody at base: corolla yellow to dull white. 



18. P. heterodoxus, Gr. Leaves obtuse, entire. Near Donner Pass, Cal. 



19. P. glandulosus, Lindl. Corolla lilac: sterile filaments naked. Or. Wash. 

 W. P. venustus, Dougl. Leaves closely serrate: sepals small. Or. 



21. P. diffiisus, Dougl. Often diffuse: leaves unequally serrate. Or. Wash. 



22. P. Ricliardsoni, Dougl. Leaves incised or laciniate-pinnatiGd. Or. 



23 P. triphyllus, Dougl. Leaves lonceolate or linear, rigid, often laciniata. 

 24. P. gracilentus, Gr. Peduncles and calyx \iscid. Mts. N. Cal., Or. 

 .v-25. P. Isetus, Gr. Ashy-pubescent: corolla an inch long blue. Mts. Cal. 



26. P. Roezli, Kegel. Smaller: corolla smaller, paler. Sierra Nev. to Or. 



27. P. azureus, Benth. Glaucous; leaves ovate or narrower: corolla broad. 

 Var. JafiFrayauus, Gr. Low broad-leaved form in the Sierras. 



Var. parviiius, Gr. Broad leaves an inch or less long: corolla 9 lines long. Alpina. 

 12 



