DISPORUM CONVALLARIACE.E 659 



lines long : segments of the perianth nearly erect, acute 6-11 lines long : 

 stamens a third shorter: style usually more or less woolly above and 

 slightly 3-cleft at the apex : ovary nearly smooth : berry oblong-ovate, 

 attenuate above into a short beak, triangular, 3-6-seeded, about 6 lines long, 

 bright salmon -color, In the Coast Ranges, California to Brit. Columbia. 



* * Leaves acute or shortly acuminate, mostly cordate and clasping : 

 perianth narrow and less gibbous at base : style'entire. 



*- Filaments elongated, longer than the anthers. 



D. Hookcri B. & H. 1. c. Prosartes Hookeri Torr. More or less rough- 

 pubescent with short spreading hairs : stems slender, 1-2 feet high, diffuse- 

 ly branched : leaves ovate, mostly deeply cordate, rough on the margins 

 and nerves beneath, 1-3 inches long, the uppermost very oblique: flowers 

 1-6 in the fascicles; segments spreading above, 4-6 lines long, narrowed at 

 base : stamens equalling or a little exceeding the perianth : ovary narrow, 

 more or less pubescent: style entire, exserted, glabrous; berries usually 

 somewhat pubescent, obovate, obtuse, 4 lines long, 6-seeded. In the Coast 

 Ranges, southern Oregon to California. 



1). trachyandrum B. & H. 1. c. Prosartes trachyandra Torr. More 

 or less pubescent with minute stiff hairs : stem slender, 12-18 inches high : 

 leaves ovate to oblong, acute or somewhat acuminate, but slightly or not 

 at all cordate, 1-2 inches long : flowers 1-3 in the fascicles : segments of the 

 perianth lanceolate, acute, 4-5 lines long, % longer than the stamens, 

 narrowed at base: anthers minutely hispid: ovary glabrous: berries 

 smooth, with a short stout beak. In the mountains of southern Oregon 

 and northern California. 



D. Oreganum B. & H. 1. c. Prosartes Oregana Watson. Stem 1-3 

 feet high, diffusely much branched, woolly-pubescent above : leaves ovate 

 or orbicular to oblong, more or less acuminate, distinctly cordate at base, 

 2-4 inches long: flowers usually 1-2 in the fascicles, funnelform : segments 

 of the perianth about 6 lines long, lanceolate, narrowed toward the base to 

 abroad claw: filaments filiform with a dilated base, about 8 lines long: 

 anthers a line long: style filiform, exceeding the stamens : berries ovate, 

 acutish, pubescent, 5-6 lines long, 3-6-seeded. Common in forests, Oregon 

 to Brit. Columbia. 



D. trachycarpum B. & H. 1. c. Prosartes trachycarpa Watson. Pu- 

 bescent, at least when young : stem 1-2 feet high, rather sparingly branch- 

 ed : leaves ovate or oval to oblong-lanceolate, 2-4 inches long, acute or 

 short acuminate, rounded or subcordate at base : flowers 1-3 in the fascicles, 

 narrow campanulate : segments of the perianth narrowly oblong or oblan- 

 ceolate, 6-7 lines long : stamens about equalling the perianth : style slender, 

 exceeding the stamens : berries roughened, depressed-globose or somewhat 

 ovoid, 4-5 lines in diameter, 3-1 8- seeded. In the mountains of eastern 

 Oregon and Washington to Nebraska and Manitoba. 



- -*- Anthers much longer than the very short filaments. 



D. parvifolinm B. & H. 1. c. Prosartes parvifolia W&tson. More or 

 !es pubescent with spreading hairs : stem 6-12 inches high, densely much 

 branched : leaves ovate to ovate-lanceolate, more or less abruptly acumin- 

 ate, very acute, slightly cordate at base, 6-18 lines long: flowers 1-6 in the 

 fascicles, narrow campanulate: segments of the perianth lanceolate, acute 

 or somewhat acuminate, 4-6 lines long, white, twice as long as the stamens: 

 filaments about a line long, shorter than the lanceolate acute anthers: 

 ovary small, slightly pubescent: style slender, slightly exserted : berries 

 not seen. In the Coast and Siskiyou Mountains of southern Oregon and 

 northern California. 



