670 
DIOECIA DIANDRIA# 
Sp. pi. 4. p. 665. Pursh, 2. p. 613. Nutt. 2. p. 231. 
A shrub, rarely becoming a tree, branches obscurely brown. Leaves 10 
— 15 lines long, rather acute, remotely serrate, entire near the summit, glab- 
rous on both surfaces, glaucous underneath. Petioles when young pube- 
scent, when old glabrous. Stipules small, lanceolate, deciduous. Aments 
about an inch long. Scales oblong, acute, hairy. Anthers at first reddish. 
Germs hairy. Stigma 4-cleft. Willd. 
Grows along the banks of Rivers, common. Pursh. New-England to 
Carolina. 
Flowers April. 
6. Houstoniana. Pui 
S. foliis lineari-Iance- 
olatis, acutis, tenuissi- 
rae serratis, utrinque 
glabris, nitidis, conco- 
Joribus; stipnlis nullis; 
ainentis coaetaneis, cy- 
lindricis, villosis; squa- 
mis ovatis, acutis; fila- 
meutis 3 — 5, usque ad 
medium barbatis. 
a • ‘ ' m ; - 
Pursh, 2. p. 614. 
Of this species I know nothing, 
only says that its branches are very t 
ginia and Carolina. 
7. Nigra. 
S. foliis lanceolatis, 
acuminatis, serratis, 
glabris; petiolis pube- 
scentibus; amentis co- 
aetaneis, tetrandris; 
germinibus pedicella- 
tis, subulatis, glabris. 
Leaves linear-lance- 
olate, acute, finely ser- 
rate, glabrous, shining, 
and uniformly coloured 
on both surfaces; sti- 
pules 0; aments ap- 
pearing with the leaves, 
cylindrical, villous; 
scales ovate, acute; fi- 
laments 3 — 5, bearded 
to the middle. 
Pursh, upon whose authority it rests, 
ittle at base; and that it grows in Yir- 
Leaves lanceolate, 
acuminate, serrate, 
glabrous; petioles pube- 
scent; aments appear- 
ing with the leaves, te- 
trandrous; germs on pe- 
dicels, subulate, glab- 
rous. 
