122 LILIACEiE. 



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

 16. C. Obispoensis, Lemmon. Sepals longer than the rotate or recurved, long-hairy, 

 often bifid petals. San Luis Obispo. 



16. C. luteus, Dougl. 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 Mendociuo 

 and S. IN. 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. C. venustus, Benth. Like the last: petals white or pale lilac 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 lilac or purple form. Kern Co. 



18. C. splendens, Dougl. Like the preceding: petals' clear lilac, paler in center, claw 

 darker: anthers purple, ^-| in. long. Monterey, S. 



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

 purple-lilac petals, 1^-2 in. long: anthers J ^ in. long. N. Cal.-N. 



20. C. 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 lilac. S. N. Mts. 



20. STBEPTOPUS, Michaux. 



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

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

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



2. S. roseus, Michx. Smaller: flowers rose-purple: anthers 2-pointed. Dr., N". 



21. PROSABTES, D. Don. 



Style slightly 3-cleft: fruit triangular, ^ in. long, bright salmon-color 1 



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



Filaments longer than the anthers 2, 3, 4 



Filaments much shorter than the nearly sessile anthers s 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, 

 ^-^ in. long: ovary hairy: style exserted. Russian Eiv. 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. 

 6. P. parvifolia, Wats. Woolly: leaves 1-1^ in. long. Siskiyou Mts. 



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