LILIACEiE. 123 



22. CLUTTOITIA, Bafinesque 



1, 0. nniflora, Knoth. Kearly stemless: pednncle shorter than the leaves, l-2-flow> 

 ered: perianth white, J-1 in. long, pubescent. S. N. Mts. and Hnmboldt Bay, N, 



2. 0. Andrewsiana, Torr. Flowers rose-red in a globose nmbel on a stent pednnola^ 

 often one or more smaller clnsters below: fmit rich blue. In the redwoods. 



23. SOOMOPUS, Torrey. 



1. S. Big^eloTil, Torr. Perianth ^-j in. long: sepals lanceolate, spreading, atripedt 

 petals erect, very slender, dark: style branches 2-3 lines long. Kedwoods. 



2. S. Halli, Wats. Smaller: style-branches a line long. Cascade Mta. 



24. TBrmUM, Linnsns. 



Flower sesaile. Leaves seSsile or nearly so, large 1 



Leaves long-petioled: stem 3-4 in. high 3 



Flower pednneled. Leaves sessile or nearly so, rhombic-ovate 3 



Leaves on petioles 1-15 lines long, lanceolate 4 



1. T. sessile, L., var. Calif omicnm, Wats. Very variable: petals Inrid-pnrple or 

 rose-red to white, 1-4 in. long. San Diego to Or. , 



2. T. petiolatum, Fursh. Petioles exceeding or equaling the blade. Or. & Wash. 



3. T. ovatum, Pnrsh. Flowers white becoming rose, fragrant. Santa Cmz, K. 



4. T. rivale, Wats. Slender: leaves 1-2 in. long. N. W. CaL & S. W. Or. 



25. VERATBUM, Tonmefort. 

 Perianth-segments entire or serrulate, oblanceolate, thickened on the sides at base. . 1, 2 

 Perianth-segments fringed rhombic-ovate, the rigcd base divided by a narrow furrow. . 3 



1. V. Californicum, Durand. Stout, 3-7 ft. high: leaves L-12 in. long, sheathing: 

 panicle 1-2 ft, long: perianth-segments whitish with a greener brown-edged base. 



2. V. viride, Ait. Flowers green in slender panicles. Oregon, X. 



3. v. fimbriatajn, Qr. Leaves lanceolate, 6-18 la, long, narrowed at base. Cal. 



26. ZYGADENTTS, Michaux. 



Flowers all perfect ; segments longer than the stamens, the enter ones not clawed 1 



Flowers smaller: stamens equaling or exceeding the perianth, 2 or 3 lines long 2, 3 



1. Z, Fremonti, Torr. From a few inches to 3 or 4 ft. high: raceme simple or com- 

 pound: perianth rotate; segments J-§ in. long, rather obtuse, San Diego to Humb't, 



2, Z. venenosus, Wats. Leaves rarely over 2 or 3 lines broad, usually folded: 

 raceme simple or nearly so. Cent. Cal., N, {Death CanuuB.) 



8 Z, paniculatus, Wats. Similar, stouter: raceme compound: lower flowen often 

 sterile, short pedioeled; segments 2 lines long, triangular, acute, Cal., E. 



