HEXANDRIA, TRIGYNIA. — 239° 
$52. TRILLUM. L. (American Herb Paris.) _ 
Calix 3-leaved, spreading. Corolla of 3 petals. — 
Filaments and terminal anthers adnate, opening — 
on the inner side. Styles none. Stigmas 3, dis- 
a tinct, or approximate. Berry 3-celled, cells ma- 
i ny-seeded, | OL 
Roots premorsely 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. 1. T. sessile. Flower sessile. Almost the only 
species in lower Louisiana. 2. petiolatwm. Pu. Near the 
sources of the Columbia. 3. ¢rythrocarpum. (T°. pictiem, Pa. 
1. p. 244.) Petals undulated and recurved, having a crim- 
son spot at the base of each. Has. Subalpine, pretty con- 
stantly associated with evergreens, such as Kalmia latifo- 
ka, Rhododendron maximum, or Abies canadensis, and grow- 
ing in their shade. 4. evatum. Northern Andes. 8. cgi 
ee ees 
_ Petals nearly equal with the calix, leaves obtuse. 6, cer- 
_nunum. 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. Pu. Peduncle erect, petals obovate, 
scarcely longer or broader than the calix; leaves —— 
rhombic-ovate acuminate. 9. pendulum. Peduncle inclined, 
Hower pendulous, petals flat, ovate, shortly acuminate, 
| nearly equal with the calix, which is ovate-acuminate; : 
a leaves roundish-rhomboidal, acuminate, subsessile. 10. 
is xrandifiorum. Petals large and very obtuse, much exceed- is 
ing the calix, generally white, but varying with rosace 
flowers, and with the germ green or dark purple. Both = __ 
this and the preceding are closely allied to 7. erectum. = 
11. * stylogum. Plant small and slender; pe much 
shorter than the flower, recurved; petals undulated, | 
spreading, larger than the calix, oblong, obtuse; germ 
styliferous, style 1, as long as the stigmas; leaves subpetio- 
late, elliptic-lanceolate, acute at bot extremities. Ti cere 
nuum, Mich. Flor. Am. 1. p. 216. Has. In the mountains 
of upper Carolina and Georgia. Ons. Scape attenuated = 
upwards, becoming almost filiform, 8 or 10 inches high. _ 3 
Leaves about an Peduncle — : £9 
