670 



DIOECIA DIANDRIA. 



i 



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 



Germs hairy. 



Scales oblong, acute, hairy. 



Willd. 



about an inch long. 



Stigma 4-cleft. 

 Grows along the banks of Rivers, common. 

 Carolina. 



Anthers at first reddish. 



Pursh . 



New-England to 



Flowers April* 



6. HousTONiANA, Pursli. 



S. foliis lineari-lauce- 

 olatis, acutis, tenuissi- 

 me serratis, utrinqiie 

 glabris, nitidis, conco- 

 loribus; stipulis nullis 



amentis coaetaneis, cy- 



lindricis, villosis; squa- I pearing with the leaves 



Leaves linear-lance- 

 olate, acute, finely ser- 

 rate, glabrous, shining, 

 and uniformly coloured 

 on both surfaces 

 pules 0; araents 



sti 

 ap- 



rais ovatis, aculis; fila- 

 mentis 3 — 5. usque ad 



medium barbatis. 



cylindrical, 

 scales 



villous 



fi- 





ovate, acute; 

 laments 3 — 5, bearded 

 to the middle. 



Pursh, 2. p. 6l4. 



Of this species I know nothing, Pursh, upon whose authority it rests, 

 only says that its branches are very brittle at base; and that it grows in Vir- 

 ginia and Carolina. 



7. Nigra. 



^ 



S. foliis lanceolalis, 



acuminatis 



serratis, 



glabrisj petiolis pube- glabrous; petioles pube 

 scentibiis; amentis co- scent; aments appear 



Leaves 

 acuminate. 



lanceolate. 



serrate. 



tf^ 



aetaneis. 



.tetrandris; 

 germinibus pedicella- 

 tis, subulatis, sfabris. 



ing with the leaves, te 

 trandrous; germs onpe 

 dicels, subulate, glab 



«t. 



reus. 



