THE WILLOWS OF OHIO. 265 
Leaves sharply serrate, showing a decided tendency 
to blacken in drying, aments from pussies, 
bracts small or none, capsules when long 
conic, thinly pubescent; lowland shrubs. 
Sericeae. 
Capsules blunt, short pedicelled, short conic, 
densely silvery silky; leaves dull above, 
lustrous sericeate below, at least till old. 
S. sericea, 
Capsule long conic, long pedicelled, sparsely pu- 
bescent; leaves shining above, glaucous be- 
low, glabrous (or rusty sericeate when 
young) ; northern. S. petiolarts. 
Style very long, capsule short conic, silky, white; leaves 
long and narrow, revolute with veins prominent 
below and depressed above, not distinctly arching, 
snowy tomentose below; wet prairie shrub not 
more than a meter tall; northern. S. candida. 
Capsules glabrous, styles short, filaments glabrous. 
Filaments distinct to the base; leaves sharply serrate, 
good sized shrubs. Cordatae. 
Leaves dull on both sides, only a little paler beneath 
Leaves thickly pubescent on both sides alike, short 
and broad, bracts broad, remaining green; north- 
ern. S. adenophylla. 
Leaves thinly pubescent with most of the hair on 
the veins beneath, or glabrous, green on both 
sides or slightly glaucous beneath, lanceolate, 
bracts narrow, remaining green. S. cordata. 
Leaves glossy above, very glaucous below, glabrous, 
generally broad, bracts narrow; turning black; 
northern. S. glaucophylla 
Filaments frequently united at the base, capsule long 
pedicelled in fruit, leaves small, entire, purplish 
green, conspicuously reticulated; low shrub in 
sphagnum bogs. S. pedicellarts. 
Stamen 1, formed by the coalescence of 2, anthers 4, scales 
black, reflexed in staminate flower, capsules rarely seen, 
short, thick, hairy ; leaves oblanceolate, opposite or scattered, 
purplish; shrub with long slender branches. 
Synandrae. S. purpurea. 
