LILIACE. 123 
22. CLINTONIA, Rafinesque. 
1, G. uniflora, Kunth. Nearly stemless: peduncle shorter than the leaves, 1-2-flow- 
ered: perianth white, 3-1 in. long, pubescent. S.N. Mts, and Humboldt Bay, N. 
2 ©. Andrewsiana, Torr. Flowers rose-red in a globose umbel on a stout peduncle, 
often one or more smaller clusters below: fruit rich blue. In the redwoods, 
23. SCOLIOPUS, Torrey. 
1, 8. Bigelovii, Torr. Perianth 4-2 in. long: sepala lanceolate, spreading, stripeds 
petals erect, very slender, dark: style. branches 2-3 linea long. Redwoods, 
2, 8. Halli, Wate. Smaller: style-branches a line long. Cascade Mts. 
24. TRILLIUM, Linnzus. 
Flower sessile. Leaves aessile or nearly so, large......-2-. 00. eceeecee cee cceeee eee mee | 
Leaves long-petioled: stem 3-4 in, high........... arp sass Diaie: Sviwieteces 2 
Flower peduncled. Leaves sessile or nearly ao, rhombic-ovate............... Sesleri 3 
Leaves on petioles 1-15 lines long, lanceolate.............-.0005 4 
1. T. sessile, L., var. Californicum, Wats. Very variable: petals lurid-purple or 
rose-red to white, 1-4 in. long. San Diego to Or. 
2. T. petiolatum, Pursh. Petioles exceeding or equaling the blade. Or. & Wash. 
3. T. ovatum, Pursh. Flowers white becoming rose, fragrant. Santa Crug, N. 
4. T. rivale, Wats, Slender: leaves 1-2 in. long. N. W. Cal. & 8. W. Or. 
25. VERATRUM, Tournefort. 
Perianth-segments entire or serrulate, oblanceolate, thickened on the sides at base.. 1, 2 
Perianth-segments fringed rhombic-ovate, the riged 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, N. 
3. V. fimbriatum, Gr. Leaves lanceolate, 6-18 in. long, narrowed at base. Cal. 
26. ZYGADENUS, Michanx. 
Flowers all perfect; segments longer than the stamens, the outer ones not clawed..... 1 
Flowers smaller: stamens equaling or exceeding the perianth, 2 or 3 lines long..... 2, 8 
1, Z. Fremonti, Torr. From a few inches to 3 or 4 ft. high: raceme simple or com- 
pound: perianth rotate; segments 3-3 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 Camass.) 
3 Z. paniculatus, Wats. Similar, stouter: raceme compound: lower flowers often 
sterile, short pediceled; segments 2 lines long, triangular, acute. Cal., E. 
