66 HYDROPHYLLACEAE. Vor. III. 
H, patens Britton, of Minnesota, differs in having the calyx-segments appressed to the corolla, 
the corolla-segments with spreading tips. 
2. Hydrophyllum macrophyllum Nutt. 
Large-leaved Water-leaf. Fig. 3485. 
H. macrophyllum Nutt. Journ. Phila. Acad. 7: 111. 
1834. 
Perennial by scaly rootstocks, villous-hirsute 
all over; stem rather stout, 2°-3° high. Lower 
leaves long-petioled, 8’-12’ long, deeply pinnatifid 
or pinnately divided into 7-13 oval or ovate obtuse 
coarsely dentate segments 1-3’ long; upper leaves 
similar, smaller, shorter-petioled and with fewer 
segments; cymes long-peduncled, simple or fork- 
ed, very dense; peduncles stout; pedicels short; 
flowers nearly white; calyx cleft to below the 
middle, its lobes lanceolate, erect, white-hispid, 
the sinuses not appendaged; corolla 5’-6” long; 
anthers oblong; capsule globose, densely white- 
hispid, 12” in diameter, enclosed by the calyx. 
In rich woods, Virginia to Ohio, Illinois, Alabama 
and Tennessee, Ascends to 4oo0 ft. in Virginia. 
3. Hydrophyllum appendiculatum Michx. 
Appendaged Water-leaf. Fig. 3486. 
H. appendiculatum Michx. Fl, Bor. Am, 1: 134. 1803. 
Biennial, rough-hairy all over; stem slender, simple 
or usually branched, weak, 1°-2° long, somewhat 
viscid above. Lower and basal leaves long-petioled, 
pinnatifid or pinnately divided into 5-7 ovate or oval, 
acute or obtusish, irregularly dentate or incised, mem- 
branous segments; upper leaves smaller and shorter- 
petioled, ovate to orbicular, variously lobed, the lobes 
acute and dentate; cymes loose, branched, the slender 
pedicels 4’-10” long; calyx parted to near the base, 
enlarging in fruit, the segments triangular-lanceolate, 
acuminate, spreading, with a short reflexed appendage 
in each sinus; corolla violet or purple, 6-7” long; 
stamens little exserted; capsule about 13” in diameter. LZ ce ) 
In woods, Ontario to New York, North Carolina, west to Sete | 
Minnesota and Kansas. May-June. Snes 
U 
4. Hydrophyllum canadénse L. Broad- 
leaved Water-leaf. Fig. 3487. 
H. canadense L. Syst. Ed. 10, 919. 1759. 
Perennial by scaly rootstocks; stems rather 
slender, commonly simple, glabrous or nearly so, 
1°-23° high. Leaves nearly orbicular, cordate, 
sparingly pubescent, at least above, palmately 
5-9-lobed, the lower long-petioled, often 12’ 
broad, occasionally with I or 2 pairs of small 
segments on the petiole; upper leaves smaller, 
but usually 4’-7’ broad; lobes ovate, acuminate, 
dentate; peduncles shorter than the leaves; cymes 
dense or becoming loose, simple or forked; pedi- 
cels short, nearly glabrous; calyx cleft nearly to 
the base, its segments linear-lanceolate, acute, 
nearly or quite glabrous, sometimes with a minute 
tooth in each sinus; corolla campanulate-rotate, 
white to purplish anthers linear-oblong; capsule 
2” in diameter. 
‘ Ae ) In woods, Vermont to New York, North Carolina, 
Ontario, Hlinois and Kentucky, Ascends to 4000 ft. in Virginia. June-Aug. 
