658 CONVALLARIACE^E streptopus 



DiSPOKUM 



panulate, of 6 distinct deciduous segments. Stamens 6: filaments 

 short, deltoid or subulate, inserted on the base of the segments: 

 anthers sagittate, acute or acutely attenuate above, attached on 

 the inner side near the base, with nearly lateral dehiscence. Ovary 

 sessile, 3-celled, with numerous ovules in each cell. Style filiform, 

 deciduous, with 3-lobed or 3-cleft stigma. Fruit a many-seeded 

 berry. Seeds oblong, with close thin brownish testa. 



S. amplexifolius DC. Fl. France iii, 174. Rootstock short, stout, 

 horizontal, covered with fibrous roots: stem stout, 1-3 feet high, dickotom- 

 ously branched: leaves lanceolate, 2-5 inches long, 1-2 inches wide, acuminate, 

 cordate- clasping at base, glabrous, glaucous beneath: peduncles 1-2 inches 

 long, 1-2-flowered bent or twisted at about the middle: segments of the perianth 

 greenish-white, 4-6 lines long, narrowly lanceolate, acuminate, the tips spread- 

 ing or recurved: anthers subulate-pointed : stigma simple, obtuse or trun- 

 cate: berry oval, 5-9 lines long, yellow or red. Along mountain streams, 

 California to Alaska and across the continent. 



S. roseus Michx, Fl. i, 201, t. 18. Stems simple or sparingly branch- 

 ed, 6-30 inches high, from a short stout rootstock covered with fibrous roots: 

 branches sparingly pubescent: leaves lanceolate-ovate to ovate, 2-4 inches 

 long, rather abruptly acuminate, sessile by a broad rounded or slightly cordate 

 clasping base, the margins finely ciliate: peduncles 6-12 lines long, one- 

 rarely two-flowered: segments of the perianth lanceolate, acuminate, 4-6 

 lines long, the tips spreading, purple to rose-color; anther-cells each apiculate: 

 style 3-ceft, the spreading branches stigmatic along the inner side: berries 

 globose or ovate, 5-6 lines in diameter. In damp woods, Oregon to Alaska 

 and the Eastern States. 



S. brevipes Baker Journ. Linn. Soc. xiv, 594. Stems mostly simple, 

 smooth, 6-12 inches high, from very slender rootstocks : leaves lanceolate, 1-3 

 inches long, tapering from below the middle to an acuminate apex, sessile 

 but not at all cordate at base, very minutely or not at all ciliate: peduncles 

 3-6 lines long: segments of the perianth linear-oblong, about 4 lines long, 

 less than a line wide, more than twice as long as the stamens: berries globose. 

 In damp places in the Cascade Mountains of Washington, 



4 DISPORUM Salisb. Trans. Hort. Soc. i, 331. (1812.) 



PROSARTES D. Don. {1840.) 



Branching herbs, scaly-bracted below and leafy above, with 

 running rootstocks, sessile alternate somewhat oblique leaves and 

 rather small flowers in terminal few-flowered umbels. Perianth 

 narrowly campanulate, of 6 distinct deciduous segments. Sta- 

 mens 6, hypogynous: filaments filiform or somewhat flattened, 

 longer than the oblong or linear extrorse anthers. Ovary sessile, 

 3-celled. mostly with 2 suspended ovules in each cell. Style 

 slender, entire or with 3 short stigmas, deciduous. Fruit a 3-6- 

 seeded berry. Seeds globose, with close testa and horny albumen. 



* Perianth broad and gibbously truncate at base : stamens included, 

 with elongated filaments : style 3-cleft : berries acute. 



1>. Menziesii B. & H. Gen. iii, 832. Pwsartes Menziesii D. Don. More 

 r less woolly-pubescent: stems 1-3 feet high, diffusely much branched: 

 aves ovate to lanceolate, acuminate, rounded or sometimes slightly cordate 

 \> base, 2-6 inches long: flowers in fascicles of 2-5, on slender pedicels 6-10 



