HBXANDRIA. TRIGYNTA, 239 



352. TRILLUM. L, (American Herb Paris.) 

 Calix 3-Ieave(J, spreading. Corolla of 3 petals. 

 Filaments and terminal anthers adnate, opening 

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

 tinct, or approximate, ^err?/ 3- ceJ led, cells ma- 

 ny-seeded. 



Roots praemnrsely tuberous, horizontal; scape low, 3.. 

 leaved, leaves verticillate, subtendin,^ a solitary peduncle, 

 (f)r sessile flower in T. sessile,-) petal's white, or dark pur- 

 ple. Gtrm in one species siyliferous; style 1. 



Found g-enerally in umbrag-eous forests attached to recent 

 veg-etable soil. 



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

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

 sources of the Columbia. 3. i rythrocarpum. (T. pictnm. Ph. 

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

 son spot at the base of each. 11 ab. Subalpine, pretty con- 

 stantly associated with evergreens, such as Kalmia latifo. 

 Ua, Rhododendron maximum, or ^bies canadensis, and grow- 

 in^^ in their shade. 4. ovatum. Northern Andes. S.pusillum. 

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

 nuvm. Peduncle recurved, petals lanceolate, acuminated, 

 leaves dilated. 7. erectum. 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 cahx; leaves sessile, 

 rhombic-ovate acuminate. 9. pendulum. Peduncle inchned, 

 flower pendulous, petals flat, ovate, shortly acuminate, 

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

 leaves roundish-rhomboidal, acuminate, subsessile. 10. 

 ^randifornm. Petals large and very obtuse, much exceed- 

 ing the calix, generally white, but varying with rosaceouiS 

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

 this and the preceding are closely, allied to T. erectum. 

 11. * sti/loanm. Plant small and slender; peduncle much 

 shorter than the flower, recurved; petals undulated, 

 spreading, larger than the calix, oblong, obtuse; germ 

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

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

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

 of upper Carolina and Georgia. Obs. Scape attenuated 

 upwards, becoming almost filiform, 8 or 10 inches high. 

 I Leaves about an inch wide, and 2 inches long. Peduncle 



rigidly recurved under the leaves, little more than half 

 the length of the calix. Segments of the calix linear-oblong, 

 somewhat obtuse and distinctly margined. Petals merely 



