PRIMROSE FAMILY 187 



1. S. ciliatum Raf. FRINGED LOOSESTRIFE. Stems erect, slender, 

 simple or branched, 1-3 ft. high. Leaves opposite, ovate to ovate- 

 lanceolate, acute at the apex, rounded at the base; margins and 

 petioles hairy-fringed. Flowers solitary on axillary peduncles, f 1 in. 

 broad; petals broadly ovate or roundish, denticulate; calyx shorter 

 than the capsule. Woods and thickets.* 



2. S. lanceolatum Gray. LANCE-LEAVED LOOSESTRIFE. Stem 

 erect, 6-24 in. high. Leaves varying from lanceolate to oblong and 

 linear, petioled or almost sessile, acute or taper-pointed. Flowers 

 f-f in. in diameter. Capsule nearly as long as the segments of the 

 calyx. In moist ground and thickets. 



3. S. quadriflorum Hitchc. LINEAR-LEAVED LOOSESTRIFE. Stem 

 erect, 4-sided, slender, 1-3 ft. high. Basal leaves oblong or linear- 

 oblong, on slender petioles ; stem leaves, all but the lowest, nearly 

 or quite sessile, narrowly linear, 2-4 in. long, smooth and shining. 

 Flowers about f in. in diameter, often clustered in fours at the ends of 

 the branches. Corolla lobes pointed. Along streams, especially N.W. 



V. TRIENTALIS L. 



Low, smooth, perennial herbs, with slender, erect, un- 

 branched stems. Leaves lanceolate, ovate, or oblong, mostly 

 in a whorl at the summit of the stem. Flowers one or few, 

 terminal, on slender peduncles, small, white or pink. Sepals 

 narrow and spreading. Corolla wheel-shaped, with usually 

 7 taper-pointed segments. Ovary globose ; style thread-like. 

 Capsule globose, many-seeded. 



1. T. americana Pursh. STAR FLOWER, CHICKWEED WINTER- 

 GREEN. Spreading by long and slender rootstocks ; branches erct, 

 stem-like, 3-9 in. high. Leaves very thin, pale green, pointed at both 

 ends. Flowers white. Capsules white, marked off into polygonal 

 sections, each corresponding to 1 seed. Cold woods ; common N. 



VI. ANAGALLIS L. 



Annual or perennial herbs. Stems erect or diffuse. Leaves 

 opposite or whorled. Flowers axillary, peduncled. Calyx tube 

 5-parted, persistent. Corolla wheel-shaped, 5-parted, longer 

 than the calyx. Stamens 5, inserted on the base of the corolla ; 

 filaments bearded. Ovary globose ; style slender ; stigma 

 knobbed. Fruit a many-seeded capsule, the top coming off 

 like a lid.* 



