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. HAIRY SOLOMON'S SEAL. 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 SOLOMON'S SKAL. 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, f in. long. Filaments smooth. Berry blue, \ in. in diameter. 

 In rocky woods and along streams.* 



XXHI. 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. LILY OF THE VALLEY. 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 



