CLASS VIII. ORDER I. 157 



Stem round, a little downy, branching. Leaves scattered, 

 linear, entire, revolute at the edge. Flowers axillary, on short 

 stalks. Germs downy, square, green, (^alyx leaves oblong, 

 acute. Petals inversely heart shaped, white with a reddish 

 tinge. Stigma capitate. — Moist woods. — August. — Perennial. 



Epilobium coloratum. Muhl. Colored Willoto Herb. 



Leaves lanceolate, serrulate, petioled, opposite, the 

 upper ones alternate ; stem round, pubescent. 



A more branching plant than the foregoing. Stem erect, 

 round, with opposite pubescent branches. Leaves lanceolate, 

 glabrous, their veins often of a red color, on short petioles, the 

 bases of which unite round the stem in an elevated line. Flow- 

 ers axillary, purple, regular, with very long, linear germs. — 

 Meadows and swamps. — July, August. — Perennial. 



Epilobium alpinum. L. Alpine Epilobium. 



Stern simple, roundish, one or two flowered; leaves 

 opposite, elliptical, entire; flowers sessile. 



Leaves rather more ovate than in the European plant. — On 

 the White mountains of New Hampshire. — July. 



173. CENOTHERA. 

 CEnothera BIENNIS. L. Trec Printrose. 



Leaves ovate-lanceolate, flat ; stem a little nigged 

 and villous; stamens shorter than the corolla. Willd. 



The large, yellow flowers of this plant are frequently seen 

 overtopping the fences by which they grow, during most of the 

 summer. In the country it is vulgarly known by the name of 

 Scabish, a corruption probably of Scabious, from which however 

 it is a very different plant. Stem from three to five feet high, 

 rough, hairy, and branching. Root leaves petioled ; stem leaves 

 sessile; both pubescent, slightly toothed. Flowers solitary, ax- 

 illary. Germ sessile, four grooved, surmounted by the long, 

 tubular calyx, which divides into four reflexed segments; petals 

 large, roundish, sometimes emarginate. This plant, originally 



14 



