272 FLORA. 



leaved), 5-18 cm. high; leaves ovate or ovate-lanceolate, 2-8 cm. long, cordate, with 

 a narrow or closed sinus, sessile, short-petioled ; solitary leaves of the stemless 

 plants on petioles 2- 10 cm. long; raceme many-flowered, 2-5 cm. long; perianth- 

 segments becoming reflexed, about 2 mm. long; berry pale red, speckled, about 

 4 mm. in diameter. In moist woods and thickets, Newf. to the N. W. Terr.j N. 

 Car., Iowa and S. Dak. May-July. 



5. DISPORUM Salisb. 



Herbs with slender rootstocks, branching stems, leafy above, and alternate ses- 

 sile or clasping leaves, the flowers terminal, drooping, whitish or greenish yellow, 

 solitary or in simple umbels. Perianths of 6 narrow deciduous segments. Stamens 

 6, hypogynous; filaments filiform or somewhat flattened; anthers extrorse. Ovary 

 3-celled; ovules 2 or sometimes several in each cavity; style slender; stigma3-cleft 

 or entire. Berry ovoid or oval. [Greek, referring to the 2 ovules in each cavity 

 of the ovary, in most species. J About 15 species, natives of N. Am. and Asia. 

 Besides the following, some 5 others occur in western N. Am. 



Stamens shorter than the perianth; fruit smooth, 2-6-seeded. i. D. lanuginosum. 



Stamens as long as the perianth; fruit roughened, 4~i8-seeded. 2. D. trachycarpum* 



1. Disporum lanuginosum (Michx.) Nicholson. HAIRY DISPORUM. (I. F. f. 

 1035.) Finely and rather densely pubescent, 3-7 dm. high. Leaves ovate-lanceo- 

 late, or oblong-lanceolate, 5-1 1 cm. long, long-acuminate at the apex, rounded at 

 the base, 7-i5-nerved; flowers solitary or 2-3 together, greenish, 12-18 mm. 

 long; pedicels filiform; perianth narrowly campanulate, its segments linear-lance- 

 olate, acuminate, glabrous; ovary oblong; style slender, 3-cleft; berry oval, red, 

 10-14 m m. long. In woods, Ont. to W. N. Y. and Tenn. May -June. 



2. Disporum trachycarpum (S. Wats.) B. & H. ROUGH-FRUITED Dis- 

 FORUM. (I. F. f. 1036.) Puberulent, 3-6 dm. high. Leaves ovate, oval or oblong, 

 lanceolate, 3-9 dm. long, acute or short-acuminate at the apex, rounded or subcor- 

 date at the base, 5-n-nerved; flowers yellowish white, 8-14 mm. long; perianth 

 narrowly campanulate, its segments acute, little spreading; style slender, 3-lobed; 

 berry depressed-globose or somewhat obovoid, 8-io mm. in diameter, 4-i8-seeded. 

 Manitoba and the N. W. Terr, to S. Dak., Neb., Wash, and Ariz. May-Aug. 



6. STREPTOPUS. Michx. 



Branching herbs, with thin sessile or clasping alternate leaves. Flowers solitary 

 or 2 together, extra-axillary, slender-peduncled, greenish, rose or purplish, small, 

 nodding. Peduncles bent or twisted at about the middle. Perianth campanulate, 

 its 6 segments recurved or spreading, deciduous, the outer flat, the inner keeled. 

 Stamens 6, hypogynous; filaments short, flattened; anthers sagittate, extrorse. 

 Ovary 3-celled; ovules numerous in 2 rows in each cavity; style slender. Berry 

 globose or oval, red, many-seeded. [Greek, twisted stalk, in reference to the bent 

 or twisted peduncles.] About 5 species, natives of the north temperate zone. Be- 

 sides the following, another occurs on the Pacific Coast. 



Leaves glaucous beneath, clasping; flowers greenish- white. i. S. amplexifolius. 



Leaves green on^both sides, sessile; flowers purple or rose. 2. S. roseus, 



1. Streptopus amplexifolius (L.) DC. CLASPING-LEAVED TWISTED-STALK. 

 {I. F. f. 1037.) Rootstock short, stout. Plant 4-9 dm. high; stem usually branch- 

 ing below the middle; leaves 5-13 cm. long, acuminate at the apex, cordate-clasp- 

 ing at the base, glabrous; peduncles i-2-flowered; flowers 8-12 mm. long; peri- 

 anth-segments narrowly lanceolate, acuminate; anthers subulate-pointed; stigma 

 simple, obtuse or truncate; berry oval, 10-16 mm. long. In moist woods, Lab. to 

 Alaska, N. Car., Ohio, Mich, and N. Mex. May-July. 



2. Streptopus roseus Michx. SESSILE-LEAVED TWISTED-STALK. (I. F. f. 

 1038.) Plant 3-8 dm. high. Brandies sparingly pubescent ; leaves 5-11 cm. 

 long, acuminate at the apex, sessile, rounded, or slightly clasping at the base, their 

 margins finely ciliate ; peduncles usually pubescent ; flowers purple or rose, 8-12 

 mm. long ; perianth-segments lanceolate, acuminate ; anthers 2 -horned ; style 

 3-cleft, the spreading branches s*igmatic along the inner side; berry globose or 



