316 LILIACEAE 



Eefs. — Streptopus amplexifolius DC. Fl. Fr. 3:174 (1805). Uvularia amplexifolia L. 

 Sp. PI. 1:304 (1753), type European. 



25. DISPORUM Salisb. 



Stem erect, branched above, leafy, arising from a short horizontal rootstock. 

 Leaves ovate, sessile, thin, netted-veined. Flowers greenish or white, drooping 

 on a terminal peduncle, solitary, or few in an umbel. Perianth eam])anulate, 

 deciduous. Filaments filiform, attaclied within the anthers, above the base. 

 Fniit a berry. — Species about 13, North America and Asia. (Greek dis, double, 

 and spora, seed, some species with 2 ovules in each cell.) 



Flowers greenish, % inch long or nearly; style glabrous, entire. 

 Leaves 1\<2 to 3 inches long. 



Stamens equalling or exceeding the perianth ; anthers not hispid ; leaves mostly cordate 



at base 1. D. hoolceri. 



Stamens generally slightly shorter than the perianth ; anthers minutely hispid ; upper 



leaves slightly cordate at base 2. D. irachyandrum. 



Leaves 1 to 1^/^ Inches long; stamens % the length of perianth, anthers nearly sessile 



3. D. parvifolium. 



Flowers whitish, % to 1 inch long; leaves 2 to 4 inches long; style densely short hairy, slightly 



3-c!eft at apex; leaves sub-cordate or rounded at base 4. D. sniithii. 



1. D. hookeri Britton. Fairy Bells. One to 214 feet high, roughish puber- 

 iilent ; leaves ovate, cordate at base, abruptly acute or attenuate, IV2 to 3 inches 

 long, the uppermost somewhat oblique ; perianth green, narrowly campanulate, 

 5 to 6 lines long, the tips of the segments spreading ; stamens equaling or ex- 

 ceeding the perianth ; berry obovoid to subglobose, obtuse, scarlet. 



Shady woods back of the immediate coast. Coast Ranges from Santa Cruz Co. 

 to Siskiyou Co. 



Locs. — Berkeley, Jepson 8418; Franz Valley grade from Galistoga, Jepsmi; Hood's Peak 

 Eange, Jepson; Noyo River, Charlotte HoaTc; Russian Creek, w. Siskiyou Co., Butler 93. 



Rofs.— Di.SPORUM HOOKERI Britton, Bull. Torr. Wub 15:188 (1888); Jepson, Fl. "W. Mid. 

 Cal. 127 (1901). Frosartes hoolceri Torr. Pac. R. Rep. 4:144 (1857), tvpe loc. Oakland Hills, 

 Bigclow. Var. ohlongifoJia Wats. Bot. Cal. 2:179 (1880). 



2. D. trachyandrum Britt. Stem 1 to 2 feet high, purplish and nearly 

 glabrous Ijelow, pubescent above ; leaves ovate to oblong-ovate, abruptly acute 

 to acuminate, sessile, upper ones very slightly cordate at base, 1 to 2io inches 

 long; tiowers greenish, campanulate with spreading segment tips, nearly Vo inch 

 long, on short drooping pedicels, solitary or in 2s or 3s; stamens slightly shorter 

 than the perianth ; anthers minutely hispid ; ovary glabrous ; style entire ; berry 

 obovate, scarlet. 



In the Sierra Nevada, Tuolumne Co. to Siskiyou Co. Southern Oregon. 



Locs.— Snow Creek, Fresno Co., A. L. Grant 1057; Hetch-Hetchy, A. L. Grant 987; Cala- 

 veras Big Trees, A. L. Grant; Siskiyou Co., Butler 787 (Humbug Mt.). 



Eefs. — DispORUM TRACHYANDRUM Britton, Bull. Torr. Bot. Club 15:188 (1888). Prosartes 

 trachjiandra Torr. Pac. E. Eep. 4:144 (1857), type loc. Duifield's Eanch, near Confidence, 

 Tuolumne Co., Bigetom. 



3. D. parvifolium Britt. Rather stout, much branched, woolly-pubescent; 

 leaves ovate to broadly lanceolate, the lower cordate and clasping, 1 to l^o inches 

 long, acuminate: flowers rather numerous, 4 lines long; segments slightly spread- 

 ing, twice longer than the lanceolate acute nearly sessile anthers ; ovary very 

 small, slightly pubescent ; style slightly exserted. 



Siskivou Mts. We have seen no authentic spms. Two spms. from Siskivou 

 Co. (Quartz Valley, Butler 690, and Kidder Creek, Butlrr 1222) have small 

 rather dark g^-een leaves and numerous flowers with a .small ovary (glabrous or 

 essentially so), but the stamens are more or less exserted with filaments twice 

 the length of the anthers. 



