360 MONOCOTYLEDONOUS PLANTS. 



3. S. lanuginosus Mick. : hoary-pubescent ; leaves sessile, subcor- 

 date at the base, acuminate ; pedicels in pairs. Uvulariu lanuginosa 

 MuliL 



HAB. Mountains. Penn. to Car. May. 2j..Flotctrs much 

 larger than in the preceding species, greenish. 



7. MEDEOLA. Linn. 



Perianth 6-parted, revolute. Stamens 6. Stigmas 3, di- 

 varicate, united at base. Berry 3-celled ; cells 36 seeded. 



Hezandria. Trigynia. 

 M. virginica Linn, Gyromia virginica 2Vu#. 



HAB. Moist woods. Can. to Geor. May, June. If. Stem 

 12 18 inches high, erect. Leaves in 2 whorls ; one about the 

 middle of the stem of 68 ovate lanceolate acuminate leaves ; 

 the other near the top of 2 3'ovate ones. Flowers 3 6 on pe- 

 dicels arising from the upper whorl, yellow, reflexed. 



Cucumber Root. 



8. TRILLIUM. Linn. 



Perianth 6-parted ; 3 outer segments resembling a calyx, 

 spreading ; 3 inner petaloid, (petals.) Stamens 6, inserted at 

 the base of the segments, nearly equal. Anthers linear. Style 

 usually none. Stigmas 3, distinct or approximate. Berry 

 3-celled ; cells many-seeded. Hexandria. Trigynia. 



* Flowers sessile. 



1. T. sessile Linn. : leaves sessile, broad-ovate, acute ; flowers close- 

 ly sessile, erect ; petals lanceolate, erect, twice as long as the calyx. 



HAB. Fertile hills. Penn. to Car. Pursh. April, May. If. 

 Stem 8 inches high, smooth. Floioers dark purple. 



2. T. recurvatum Beck : leaves ovate or obovate, subpetiolate, nerved ; 

 flower closely sessile ; petals lanceolate-ovate, very acute, attenuate 

 at base, erect, as long as the recurved calyx. 



HAB, Shady woods. Miss. May. 21. Stem 810 inches 

 high, smooth. Leaves smooth, clouded with dark green. 

 Corol purple. Filaments very short. I have been led to intro- 

 duce this and the next species, described some years since, 

 (Sill. Jour. xi. 178, ) from the fact that under the name T. ses- 

 sile, several distinct species have heretofore been included. 



3. viride Beck : leaves ovate, acute, closely sessile, 3 5-nerved ; 

 flower erect, closely sessile ; petals fleshy, narrow, somewhat spatu- 

 late, a little longer than the lanceolate or ovate obtuse erect calyx. 



HAB. Shady woods. Miss. April. It. Stem 812 inchei 

 high. Leaves with whitish spots on the upper surface. Petals 

 dark green Calyx leaves variable. 



** Flowers pedunculate. 



4. T. erythrocarpum Mich. : peduncle somewhat erect ; petals oraJ- 

 lanceolate, acute, recurved, nearly as long again as the narrow calyx ; 



