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1. TRILLIUM DISCOLOR Wray ; Hook. Bot. Mag. f/. 3097. 1831.* 
Trillium sessile var. Wrayi S. Wats. Proc. Am. Acad. 14: 273. 
1879. 
Perennial by a rootstock, bright green, glabrous. Stems erect, 
1—2 dm. tall, smooth; leaves oval, 6-7 cm. long, obtuse, or short- 
acuminate, 3-5-nerved, mottled, rounded at the base, sessile; 
flowers sessile; sepals oblong or oblong-lanceolate, 2 cm. long, 
obtuse or acute, spreading; petals broadly spatulate, about % 
longer than the sepals, greenish, sessile, rounded and one promi- 
nently apiculate at the apex; stamens less than % as long as the 
petals, the filaments nearly wanting ; berry not seen. 
Georgia. 
Apparently a rare species and not lately collected, but very 
distinct, differing from all its relatives in the peculiar broadly 
spatulate petals, one of which is distinctly apiculate. 
2. TRILLIUM SESSILE L. Sp, Pl. 340. 1753. 
Perennial by an-erect or ascending corm-like rootstock, deep 
green, glabrous. Stems solitary or clustered, erect, 1-2 dm. tall, 
slender ; leaves oval or suborbicular, 4-8 cm. long, obtuse or acute, 
rounded at the base, sessile, 3-5 nerved, not mottled ; flowers ses- 
sile ; sepals lanceolate, 2-3 cm. long, acute or acutish; petals nar- 
rowly elliptic, slightly shorter than or longer than the sepals, sessile, 
acutish, purple; stamens about ¥% as long as the petals; filaments 
- dilated at the base, 4-1 shorter than the anthers; styles elong- 
ated, nearly straight, berry not seen. $ 
In woods, Pennsylvania to Minnesota, south to Florida and 
Mississippi. April and May. 
3. TRILLIUM UNDERWOODII n. sp. 
Perennial by a horizontal rootstock, bright green, glabrous. 
Stems solitary or clustered, 1-3 dm. tall, stout; leaves varying 
from ovate-lanceolate to ovate-orbicular, 8-18 cm., long, acute or _ 
short-acuminate, undulate, sometimes crisped, with a velvety lus- 
tre, mottled with 3 shades of green, rounded or subcordate at the a 
base, sessile; flowers sessile, musk-scented; sepals lanceolate, 4.5- _ 
5.5.cm. long, obtuse or acute, erect or spreading, green or purplish- 
green; petals lanceolate, elliptic or oblanceolate, 5.5-8.5 cm. long, _ 
sessile, acute or obtuse, erect, purple; stamens 3-4 times shorter _ 
than the petals, filaments very short, anthers 1.5-2 cm. long, sub- 
sessile; styles almost wanting; stigmas recurved; berry ovoid. __ 
*I am indebted to Dr. B. L. Robinson for a tracing of the original plate of 
Trillium discolor. ye Meigs eer 
