N. ORD-HYDROPHYLLACE. 122 
Tribe.—H YDROPHYLLEA. 
GENUS.—HYDROPHYLLUM,* TOURN, 
SEX. SYST.—PENTANDRIA MONOGYNIA. 
~HYDROPHYLLUM. 
WATERLEAF. 
SYN.—HYDROPHYLLUM VIRGINICUM, LINN, 
COM. NAMES.—VIRGINIAN WATERLEAF, BURR FLOWER. 
A TINCTURE OF THE WHOLE FRESH PLANT HYDROPHYLLUM VIRGINICUM, 
LINN. 
ss 
Description.— This smoothish perennial herb grows to a height of from 1 to 2 
feet. Rootstock creeping, scaly-toothed by the withered sheathes of previous stems. 
Stents generally simple, sometimes 2-forked; /eaves ample, pinnately divided, and 
conspicuously petioled ; /eaflets 5 to 7, ovate-lanceolate or oblong in general out- 
line, sharply and irregularly cut-toothed, the lower pair mostly 2-parted, the upper 
three confluent, all acuminate or acute. /nflorescence in terminal and upper axil- 
lary cymose clusters; flowers pinkish-white; Aeduncles forked, longer than the 
petioles of the leaves from whose axils they spring. Calyx deeply 5-parted, naked 
at the sinuses; /ee‘/ narrowly linear, bristly ciliate. Corol/a campanulate, 5-cleft, 
the lobes convolute in the bud; ézée furnished with five adnate appendages fixed 
to the midrib of each petaloid lobe, the incurved free margins approximated by 
interlocked hairs, thus forming a sort of nectariferous tube. Stamens exserted ; 
filaments \ong, filiform, bearded about the middle by a few long hairs; anthers 
linear, versatile. Ovary bristly hairy, 1-celled; ovules amphitropous, enveloped by 
the dilated fleshy placentae. Sty/e exserted, bifurcated at the summit; s&gmas 2, 
capitate, minute. /7ut a spherical, loculicidal capsule about the size of a pea, 
Seeds 4, or generally fewer by abortion; ‘sta pitted or reticulated ; albumen — 
cartilaginous. Se , | 
Hydrophyllaceee.—This large and innocent family of commonly hairy herbs 
is represented in North America by 14 genera, comprising 115 species, and 17 
recognized varieties. eaves mostly alternate; s¢pues absent. Inflorescence im 
more or less unilateral, mostly bractless cymes or scorpioid racemes ; flowers a 
regular, 5-merous and 5-androus, blue or white. — Calyx sometimes with nearly 
separate sepals, the sinuses often appendaged. Stamens borne on the base of the 
corolla and alternate with its lobes. Ovary entire, 1-celled, or sometimes 2-celled_ “ 
bap, hudor, water; dian, phyllom, leat; the application doubtf 
