554 CLIII. LILIACE.E. STREPTOPUS. 



anthers linear, half as long as the petals ; style trifid ; capsule 3- 

 celled, many-seeded, seeds with an aril. Lvs. alternate. Fls. soli- 

 tary^ terminal and axillary. 



1. U. SESSILIFOLIA. Bellwort. Wild Oats. 



Lvs. sessile, lance-oval, glaucous beneath ; caps, stiped, ovate. TJ. Can. 

 and U. S. A common species, found in woods and in grass lands. Stem 

 smooth, slender, 6 10' high, dividing at the top into 2 branches, one bearing 

 leaves only, the other, leaves and a flower. Leaves smooth and delicate, dark 

 green above, paler beneath, 1 !' long. The flower is cylindric, near an inch 

 long, yellowish- white, of 6, long, linear petals. May. 



2. U. PERFOLIATA. (U. flava. Smith.) Mealy Bellwort. 



Lvs. perfoliate, elliptical, subacute; perianth, subcampanulate, tubercu- 

 late-scabrous within ; anths. cuspidate ; caps, truncate. Tj. Can. and U. S. A 

 handsome, smooth plant, in woods. Stem 10 14' high, passing through the 

 perfoliate leaves near their bases, and dividing into 2 branches at top. Leaves 

 2 3' by | 1', rounded at the base, acute at apex. Flower pale yellow, pen- 

 dulous from the end of one of the branches. Segments linear-lanceolate, !' 

 long, twisted, covered within with shining grains. Anthers f ' long. May. 



3. U. GRANDIFLORA. Large-flowered Bellwort. 



Lvs. perfoliate, elliptic-oblong, acute ; fl. terminal, solitary, pendulous ; 

 segments acuminate, smooth within and without ; anth. obtuse. 7J. Can. and 

 U. S. Larger than either of the foregoing. In woods. Stem 12 15 inches 

 high, passing through the perfoliate leaves near their bases, dividing into 2 

 branches at top, one of which bears the large, yellow, pendulous flower. Leaves 

 almost acuminate, rounded at base. Anthers f long. May. Readily distin- 

 guished by the smooth petals. 



4. U. LANCJGINOSA. Pers. (Streptotus. Michx.) 



Lvs. ovate, acuminate, sessile, without dots, ciliate, the lower amplexicaui, 

 pubescent beneath when young ; ped. terminal, pubescent ; fls. in pairs ; peri- 

 anth acute at base, Ifts. linear-lanceolate; sty. glabrous. 9| Mountains, Penn. 

 to Car. and L. Winipeg to Oreg. Leaves with an abrupt and long acumina- 

 tion. Flowers greenish. Berry with the cells by abortion 1 2-seeded. May. 



15. STREPTOPUS. Michx. 

 Gr. ffTftefw, to turn, irovs , a foot ; a twisted footstalk or peduncle. 



Perianth 6-parted, campanulate ; segments with a nectariferous 

 pore at the base of each ; anthers longer than the filaments ; stigma 

 very short ; berry roundish, 3-celled ; seeds few, hilum without an 

 aril. St. branched. Fls. axillary, solitary , generally with the peduncle 

 distorted. 



1. S. ROSEUS. Michx. (Uvularia. Linn.) Rose Twist-foot. 



Smooth ; Ivs. oblong-ovate, clasping, margin serrulate-ciHate, under sur- 

 face green like the upper ; pedicels short, generally distorted in the middle ; 

 segments spreading at apex ; anth. short, 2-horned ; stig. trifid. 1 Can. to Car. 

 and Tenn. A common species, native of woods. Stem a foot or more high, 

 round, dichotomously branching. Leaves 2 4' long, | as wide, ending in a 

 slender point, smooth, but conspicuously edged with minute, rough hairs. Flow- 

 ers reddish, spotted, suspended beneath the branches, one under each leaf. Jn. 



2. S. AMPLEXIFOLIUS. DC. (S. distortus. Michx. Uvularia. Linn.) 

 Smooth ; Ivs. oblong-ovate, clasping, smooth and entire on the margin, 



glaucous beneath ; pedicels solitary, geniculate and distorted in the middle ; sep. 

 long-acuminate, reflexed ; anth. very acute, entire ; stig. truncate. TJ. Can. and 

 Mid. States. Native of woods. Stem round, dichotomous, 2f high. Leaves 

 2 3 X long, \ as wide, very smooth. Peduncles opposite the leaf, twisted and 

 bent downwards each with a bell-form, drooping flower gibbous at base, of a 

 pale straw-color. Anthers sagittate, attenuate at the apex into a long, subulate 

 point. Fruit oblong, red, many-seeded. June. 



