168 8CROPHULABIACEJL 



6. O. purpurascens, Benth. Crimson or rose-color spikes showy. CaL 



6. O. imbricatus, Torr. Slender: cor. hardly \ inch long. S. N. and Cascade Mta. 



7. O. pach.ystacb.yus, Or. Low, stout: cor. over 1 inch long, galea hooked. N. CaL 



8. O. bracteosus, Benth. Hirsute, strict: corolla rose-purple. Br. Col. to CaL 



9. O. -luteus, Nutt. Corolla golden yellow: galea obtuse straight. S. N. Mtg. 



10. O. pusillus, Benth. Leaves 3-5-parted into filiform lobes, often brownish. 



11. O. floribundus, Benth. Erect 3-8 in. high: corolla in. long. 8. F. Bay. 



12. O. erianthus, Benth. Corolla sulphur-yellow; galea dark. Cal. Coast. 

 Var. lee vis, Gr. Often a foot high: corolla yellow to white: galea pale. 

 Var. roseus, Gr. Corolla larger, white or rose-color. San Francisco. 



13. O. BidwelliaB, Gr. Similar: smaller in every way. Sacramento Valley* 

 Var. micranthus, Gr. Still smaller: lip a line broad. Fresno Co., CaL 



14. O. gracilis, Benth. Bracts with purplish tips: corolla purplish. Rare. 



15. O. campestris, Benth. 2-4 in. high: leaves mostly entire: corolla white. 



16. O. lithospermoides, Benth. Corolla yellow or rose-tinged, large. 



17. O. lacerus, Benth. Hairy leaves and bracts 3-7-cleft. S. N. Mts. and Sao, VaL 



18. O. hispidus, Benth. Soft-hairy: spike slender. Or. and Cal. 



19. O. linearilobus, Benth. Hirsute, stouter, more branched. Cent. CaL 



20. COBDYLANTHUS, Nuttall. 



* Calyx g-leaved: Jlowers short -peduncled or sessile subtended by 2-4 brackets: stamens \ 

 filaments hairy: corolla nearly included. 



Leaves mostly 3-5-parted, the upper and bracts hispid-ciliate 1 



Leaves entire except the 3-parted bracts: soft villous 9 



Leaves entire very slender; bracts obtusely 3-5-lobed, fan-shaped 3 



Leaves entire very slender: flowers scattered on slender branches 4 



* Calyx of oil* posterior leaf: powers in short spikes, sessile in the axils of clasping bracts: 

 no bractleta: low salt-marsh plants 6, 6 



1. 0. filifolius. Nutt. Corolla over in. long, purplish. Cal. 



2. 0. pilosus, Gr. Tall: viscidulous flowers few in clusters or solitary. 

 Var. Bo lander i, Gr. Lower, more viscid: flowers all scattered. 



3. C. Pringlei, Gr. Corolla 4-5 lines long, pale yellow. Clear Lake, CaL 



4. 0. tennis, Gr. Paniculate, 1-2 ft. high. Central Cal. 

 & 0. mollis, Gr. Stamens 2: anthers 2-celled. S. F. Bay. 



6. O. maritimus, Nutt. Stamens 4. San Diego to Humboldt Bay. 



21. PEDICULABIS, Tournefort. 



Galea with a slender projecting or upturned beak: corolla dull rose or crimson: spike 



naked. Alpine in S. N. Mts 1, 9 



Galea with incurved beak: corolla white or whitish 8, 4, 5 



Galea falcate with subulate beak: a pair of stem leaves 6 



