DICOTYLEDONOUS PLANTS 187 
the corolla, the filaments enlarged and hairy below. Capsule 
ovoid, 3-celled, many-seeded. 
1. P. reptans, L. JaAcop’s LAppER, BLuE VALERIAN, BLUE- 
BELL. Stems smooth, branched, and leaning over, 6-12 in. high. 
Leaflets usually 7 or 9, about an inch long. Corolla blue, about 
3 times as long as the calyx. Capsule 3-seeded, borne on a short 
stalk in the persistent calyx. Damp, open woods, sometimes culti- 
vated. 
84. HYDROPHYLLACEZ. WATERLEAF FAMILY. 
Herbs, usually hairy. Leaves commonly alternate and 
alternate-lobed. Flowers with their parts in fives, in appear- 
ance not unlike those of the following family, in one-sided 
cymes, which are coiled up at first. Calyx free from the 
ovary, usually with appendages at the notches. Corolla often 
with scales or nectar-bearing folds inside. Stamens borne by 
the corolla-tube. Style 2-cleft, or styles 2. Ovary entire and 
usually 1-celled. Fruit a capsule, 2-valved, 4-many-seeded. 
I. HYDROPHYLLUM, Tourn. 
Coarse perennials. Leaves large, petioled. Flowers white 
or pale blue, inconspicuous. Calyx 5-parted, sometimes ap- 
pendaged at the notches. Corolla bell-shaped, 5-cleft, with 
5 double, nectar-bearing folds inside. Stamens projecting, the 
filaments bearded. Style projecting; ovary covered with 
bristly hairs, the placente very broad and fleshy, enclosing 
the ovules. Capsule globular, 1—4-seeded. 
1. H. macrophyllum, Nutt. A coarse, rough-hairy plant, about 
1 ft. high, from scaly-toothed rootstocks. Leaves oblong, pinnate and 
pinnately cut, the divisions mucronate, obtuse, coarsely toothed. 
Flower-cluster dense, globular, long-peduncled. Flowers about } in. 
long. Calyx little or not at all appendaged, its lobes broad at the 
base, but with slender, tapering points. Corolla white. Rich, rocky 
woods W. and S. 
2. H. virginicum, L. Nearly smooth, 1-2 ft. high, stem often fork- 
ing at the base. Leaves of the stem mostly near the top, pinnately 
cut into 5-7 divisions ; lobes oval-lanceolate, deeply serrate, the lowest 
