LILY FAMILY 41 
Perianth tubular, 6-cleft. Stamens 6, included, inserted about 
the middle of the tube; anthers arrow-shaped. Ovary 3- 
celled, many-ovuled; style slender; stigmas knobbed or 3- 
lobed. Fruit a few-seeded berry.* 
1. P. biflorum Ell. Harry Soromon’s Seay. Stem simple, erect, 
arched, nearly naked below, 1-2 ft. high. Leaves 2-ranked, sessile 
or clasping, 3—7-nerved, smooth above, pale and downy beneath. 
Peduncles short, 1-4, often 2-flowered. Perianth greenish, 1-2 in. 
long. Filaments thread-shaped, roughened. Berry dark blue. Shady 
banks.* 
2. P. commutatum Dietrich. SmootH SoLtomon’s SEAL. Stem 
simple, stout, curving above, 3-8 ft. high. Leaves lanceolate to ovate, 
many-nerved, partly clasping, smooth on both sides. Peduncles 
nearly half as long as the leaves, 2-6-flowered. Perianth greenish- 
yellow, 3 in. long. Filaments smooth. Berry blue, } in. in diameter. 
In rocky woods and along streams.* 
XXIN. CONVALLARIA L. 
Low, smooth, apparently stemless, perennial herbs. Leaves 2, 
oblong, with long petioles, from a slender, creeping rootstock. 
Scape slender, angled, inclosed at the base by the leafstalks. 
Flowers racemed, white, drooping. Perianth bell-shaped, with 
recurved lobes. Stamens borne on the base of the perianth. 
Ovary 3-celled, ripening into a few-seeded red berry. 
1. C. majalis L. Liry or tae Vatiey. A familiar garden flower, 
cultivated from Europe, and also found wild in mountain woods from 
Virginia to Georgia. 
XXIV. TRILLIUM L. 
Low herbs, with the stem springing from a short rootstock. 
Leaves 3, large, netted-veined, in a whorl. Flower large, ter- 
minal. Perianth of 6 parts, the 3 sepals unlike the 3 petals 
in color and in texture. Stamens 6, with the linear anthers 
usually opening inward, longer than the filaments. Stigmas 
3, sessile, spreading at the tips; ovary 3- or 6-angled, 3-celled, 
many-seeded. Fruit a roundish, many-seeded purple berry. 
1. T. sessile L. Rootstock erect or ascending, corm-like. Stem 
slender, 1-8 in. high. Leaves broadly oval, obtuse or acute at the 
apex, rounded and sessile at the base, 3-5-nerved, smooth, bright 
