LILIACEJE. 187 



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



16. O. Obispoensis, Lemmon. Sepals longer than the rotate or recurved, long-nairy, 

 often bifid petals. San Luia Obiapo. 



18. O. luteuB, 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 Mendocino 

 andS. M. Mta. 



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. 0. 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, 8. 



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



18. 0. splendens, Dongl. Like the preceding: petals clear libw, paler La center, claw 

 darker: anthers purple, H ** long. Monterey, S. 



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

 purple-lilac petals, H-2 in. long: anthers H in. long. N. Cal. N. 



30. O. Nuttallii, T. & G. Slender: a single stem-leaf, or rarely 2 or 3: petals cuneato- 

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

 deep lilao. S. N. Mta, 



20. STBEPTOPUS, MiohanT. 



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

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

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



2. S. roseua, Miohx. Smaller: flowers rose-purple: anthers 2-pointed. Or., N. 



21. PBOSABTES, D. Don. 



Style slightly 3-cleft: fro it triangular, in. long, bright salmon-color. 1 



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



Filaments longer than the anthers 8, 8, 4 



Filaments much shorter than the nearly sessile anthers 6 



1. P. Menziesii, Don. Perianth-segments &-1 in. long, acute. 8. F. Bay, N. 



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

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



3. P. trachyandra, Torr. Similar: stamens shorter: ovary smooth. 8. N. Mte. 



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

 9, P. parvifolia, Wats. Woolly: leaves 1-1$ in. long. Siakiyou Mta. 



