316 LJLJACEAE 



Refs. 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 campanulate, 

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

 Fruit 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% to 3 inches long. 



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



at base 1. D. hookeri. 



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



leaves slightly cordate at base 2. D. trachyandrum. 



Leaves 1 to l 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-cleft at apex; leaves sub-cordate or rounded at base 4. D. smithii. 



1. D. hookeri Britton. FAIRY BELLS. One to 2 1 / 4 feet high, roughish puber- 

 ulent ; leaves ovate, cordate at base, abruptly acute or attenuate, 1% 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 Calistoga, Jepson; Hood's Peak 

 Eange, Jepson; Noyo Biver, Charlotte HoaJc; Eussian Creek, w. Siskiyou Co., Butler 93. 



Eefs. DISPORUM HOOKERI Britton, Bull. Torr. Club 15:188 (1888); Jepson, Fl. W. Mid. 

 Cal. 127 (1901). Prosartes liooTceri Torr. Pac. E. Eep. 4:144 (1857), type loe. Oakland Hills, 

 Bigelow. Var. oblongifolia Wats. Bot. Cal. 2:179 (1880). 



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

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

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

 long ; flowers greenish, campanulate with spreading segment tips, nearly % 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. r Butler 787 (Humbug Mt.). 



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

 trachyandra Torr. Pae. E. Eep. 4:144 (1857), type loc. Duffield's Eanch, near Confidence, 

 Tuolumne Co., Bigelow. 



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

 leaves ovate to broadly lanceolate, the lower cordate and clasping, 1 to l 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. 



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

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

 rather dark green 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. 



