122 



Var. purpurascens, Wats. Petals purple or purple-blotched. St. Barbara. 



15. 0. Obispoensis, Lemmon. Sepala longer than the rotate or recurved, long-nairy, 

 often bifid petals. San Luis Obispo. 



16. C. luteus, Dougi Petals 1-2 in. long, from yellow to deep orange, with more or 

 less brownish purple inside: gland broad, rounded or somewhat crescent-shaped, 

 densely hairy: anthers yellow, obtuse. Very variable. San Diego to Mendocino 

 and S. N. Mts. 



Var. oculatus, Wats. Petals white lilac or yellowish with a dark central spot: gland 



usually a narrow crescent. 

 Var. citrinus, Wats. Petals deep or lemon yellow with central spot. 



17. G. venustus, Benth. Like the last: petals white or pale lilao above, with a red- 

 dish spot near the top, a brownish spot in the center bordered with yellow and a 

 brownish base: gland large, oblong, hairy. Monte Diablo, S. 



Var. purpurascens, Wats. Deep lilao or purple form. Kern Co. 



18. C. aplendens, Dougl. Like the preceding: petals clear lilao, paler in center, claw 

 darker: anthers purple, i-J in. long. Monterey, S. 



19. 0. macrocarpus, Dougl. Sepals about equaling the obovate acute or acuminate 

 purple-lilao petals, l-2 in. long: anthers J-J in. long. N. Cal. N. 



20. 0. Nuttallii, T. & G. Slender: a single stem-leaf, or rarely 2 or 3: petals cuneate- 

 obovate, usually white above, with a purplish band above the yellow base, sometimes 

 deep lilao. S. N. Mta. 



20. STBEPTOPUS, Michaux. 



1. S. amplexifolms, DC. Stem 2-3 ft. high: peduncles twisted beneath the deeply 

 cordate clasping leaves, usually forked or kneed: perianth greenish white, J- in. 

 long, recurved above: anthers tapering into a single awn. N. Cal. N. 



2. 8. roseus, Michz. Smaller: flowers rose-purple: anthers 2-pointed. Or., N. 



21. PBOSARTES, D. Don. 



Style slightly 3-cleft: fruit triangular, $ in. long, bright saimon-color. 1 



Style* entire: fruit ovoid or obovold: leaves mostly cordate and clasping. 



Filaments longer than the anthers 8, 8, *4 



Filaments much shorter than the nearly sessile anthers 5 



1. P. Menziesii, Don. Perianth-segments -1 in. long, acute. S. F. Bay, N. 



2. P. Hookeri, Torr. Stamens nearly equaling or a little exceeding the perianth, 

 J- J in. long: ovary hairy: style exserted. Russian Riv. to Monterey. 



3. P. trachyandra, Torr. Similar: stamens shorter: ovary smooth. S. N. Mts. 



4. P. Oregana, Wats. Flowers often purplish-veined: stamens exserted. Or. 

 o. P. parvifolia, Wats. Woolly: leaves Mi in. long. Siskiyou Mts. 



