48 
ACER. 
branous 5 toothed, no petals, stamens 4 to 6 
without glands, fruit hairy, flowers glomerate, 
leaves palmate or angular. 8 A . dasycarpum , 
and a N. Sp. from Oregon. 
9. A. virgatum Raf. many stems and branch- 
es virgate, leaves on long petiols, rounded an- 
gular crenate acute. — Mentioned by Lewis and 
Clarke as a small white maple, bark white : 
perhaps another Var of A. circinatum, but our 
white maple is the dasycarpum . Seen dry, 
without flowers. 
V. Negtjxdo or Negtjndium Raf. 1808. Dec. 
Reck. Dioical, without complete flowers. Cal. 
minute 4-5 dentate, no petals, anthers 4 to 5 
sessile, fruit smooth, flowers racemose pendu- 
lous, leaves pinnate or ternate. 10. A. or N. 
fraximfolivm, leaves ternate and pinnate, fo- 
lioles unequally|dentate, the last trilobed. — 11 A. 
or N. trifoliatum Raf. fl. Tex. 8. leaves ter- 
nate, folioles ovate oblong entire, smooth, acute, 
the last Sdentate.— In Texas and Arkansas, 
branches green, flowers 4androus. Seen dry. 
figure Autikon rare. Ic. N. Sp. — 12 A . or N. 
lobatum Raf. leaves nearly simple, triparted or 
trilobed, sublaciniate. Apalachian Mts. Seen 
alive, figure Autikon rare. Ic. N. Sp. 
VI. Sphendamus Raf. (old name) Dioical, 
Cal. 6 parted, no petals, stamens 9, long hairy, 
fruits hairy ? flowers in erect racemes, leaves 
digitate. 13. A. macrophylum Pursh. leaves 
digitate hairy beneath, segments trilobed, re- 
pand dentate. In Oregon, and another N. Sp. 
or Var. 14. A. palmatxtm Raf. leaves wide 
palmate, 5parted, smooth, segments 3 or 5 fid, 
lobed and dentate. On the R. Oregon, leaves 
on long petiols equal to leaves, they are broader 
than long, 12 inches wide, 8 long. A tree 40 
feet high. Seen dry. fig. Ic. N. Sp. 
