J. Hydrophyllum (Tourn,) Le Water-leaf, 
Perennial herbs with horizontal rootstocks, (in our species very 
short) and fleshy roots. Leaves basal and cauline, alternate, pinnate, 
Flowers in head=like cymes on axillary peduncles, shorter than the 
leaves, Calyx-lobes 5. Corolla campanulate, the tube bearing a pair 
of longitudinal scales opposite each lobe. Filaments hairy at the middle, 
exserted, 
o Leaf-blades 10-20 cm. long; peduncles 2-4 cm. long, 
He albifrons 
4 longer than the petiole of the subtending leaf I. 
—_ 
> Leaf-blades 4-8 cm. longs; peduncles 1=2 em, long, 
4 shorter than the petiole of the subtending leaf 5 Il, capitatum 
| He albifrons Heller, Water-leaf, Perennials with densely fascicled 
roots and rather numerous basal leaves 30-60 cm. long, their blades ovate 
in outline, 10-30 cm, long, pinnately parted or divided into 7-9 obovate 
lobes 2-4 cm, broad which are again commonly once deeply incised and 
coarsely toothed, the upver surface hirtellous but green, the lower: softly 
and densely hirsute-canescent, Silvery, the petioles longer than the 
blades; flowers in rather compact hemispherical cymes on peduncles 2-4 
em. long, exceeding the foliage; pedicels 6-8 mm, long, villous; sepals 
o-7 mm, long, linear-lanceolate, very acute, the margins hispid; corolla 
7-10 mm, long, the lobes nearly twice the length of the tube; filaments 
exserted 5-8 mm.; capsules not seen, 
Moist thickets, Valley of the Clearwater; Moscow; Partridge Meadow; 
Gold Creek, 
