HEXANDRIA. TRIGYNIA. 239 



352. TRILLUM. Z. (American Herb Paris.) 

 Calix 3-leave(], spreading. Corolla of 3 petals. 

 Filaments and terminal anthers adnate, opening 

 on the inner side. Styles none. Stigmas 3, dis- 

 tinct, or approximate. Berry 3-celled, cells ma- 

 ny-seeded. 



Hoots prsemorsely tuberous, horizontal; scape low, 3- 

 leaved, leaves verticillate, subtending' a solitary peduncle, 

 (or sessile flower in 7'. sessile,-) petals white, or dark pur- 

 ple. Germ in one species styliferous; style 1. 



Found generally in umbrageous forests attached to recent 

 vegetable soil, 



Species. I. T. sessile. Flower sessile. Almost the only 

 species in lower Louisiana. 2. petiolatiim. Ph. Near the 

 sources of the Columbia. 3.trythrocarpu?n. (.T.pictum, Fh. 



I. p. 244.) Petals undulated and recurved, having a crim- 

 son spot at the base of each. Hab. Subalpine, pretty con- 

 stantly associated with evergreens, such as Kalmia latifo- 

 iia, Rhododendron maximum, or Mies canadensis^ and j^row- 

 ing in their shade. 4. ovauim. Northern Andes. S-pusillum. 

 Petals nearly equal with the calix, leaves obtuse. 6. cer- 

 nmim. Peduncle recurved, petals lanceolate, acuminated, 

 leaves dilated. 7. erecium. Peduncle inclined; flower nu- 

 tant; petals ovate acuminate, white or deep purple; leaves 

 dilated. 8. obovatum. Ph. Peduncle erect, petals obovate, 

 scarcely longer or broader than the calix; leaves sessile, 

 phombic-ovate acuminate. 9. pendidum. Peduncle inclined, 

 flower pendulous, petals flat, ovate, shortly acuminate, 

 nearly equal witli the calix, which is ovate-acuminate; 

 leaves roundisli-rhomboidal, acuminate, subsessile. 10, 

 grandiftorwn. Petals large and very obtuse, much exceed- 

 ing the calix, generally white, but varying with rosaceous 

 flowers, and with the germ green or dark purple. Both 

 this and the preceding are closely allied to 7. erectum. 



II. * stijlosrim. Plant small and slender; peduncle much 

 shorter thin the flower, recurved; petals undulated, 

 spreading, larger than the calix, <jblong, obtuse; germ 

 styliferous, style 1, as long as the stigmas; leaves subpetio- 

 late, ellipCiC-lanceolate, acute at both extremities. T. cer. 

 nuum, Mich. Flor. Am. 1. p. 216. Hab. In the mountains 

 of upper Carolina and Georgia. Oes. Scape attenuated 

 upwards, becoming almost fil.fonr:, 8 or 10 inches high. 

 Leaves about an inch wide, and 2 indies long. Peduncle 

 rigidly recurved under the leaves, little more than half 

 the length of the calix. Stgments of the calix iinear-oblong, 

 somewhat oDiuse and distinctly margined. Petals merely 



