SCROPnULARIACBJB. 97 



* * Glabrous, orinftorescensepuberulent or viscid: leaves toothed or pinnatifid: sterile Jilament 

 hairy: corolla funnel form, moderately bilibiate. 



Corolla over an inch long, lobes and all the stamens sparsely hairy 20 



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



* * * Glabrous orpuberknt: leaves all entire. 



Corolla 6 lines long, slender: sterile filaments bearded 24 



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



Calyx glandular or viscid: leaves lanceolate to spatulate 25, 28 



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 rose-purple or pink. Southern Sierras. 



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



3. P. corymbosus, Benth. Erect, 1 or 2 ft. high, leafy: cyme corymbose. 



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



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



6. P. Lemmoni, 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 1 in. long. Sierras eastward. 



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



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



11. P. Cleveland!, 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. Rattani, Gr. Leaves 3-8 in. long, denticulate: corolla pale purple. N. WirCa, 

 Var. minor, Gr. Smaller: corolla G-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 purplo blue* 



16. P. confer tus, 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. 



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



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



22. P. Richardsoni, Dougl. Leaves incised or laciniate-pinnatifid. Or. 



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



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



25. P. lee tus, Gr. Ashy-pubescent: corolla an inch long blue. Mts. CaL 



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



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

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



Var. parvulus, Gr. Broad leaves an inch or less long: corolla 9 lines long. Alpine. 



