G. 25] CLASSIFICATION AND DESCRIPTION 87 
the seeded portion hairy; wings at 
about aright angle. Tree very large 
(100 ft. high) ; wood soft, whitish, beau- 
tifully veined. Twigs brown; buds 
green. Cultivated; from the Pacific 
coast, but not hardy north of 40° N. 
latitude. 
8. Acer platanoides, L. (Norway 
Mapes.) Leaves large, smooth, 5-, 
rarely 7-cleft, with cordate base ; lobes 
acute, with few coarse, sharp teeth, 
bright green both sides. 
yA] 
1 Of 
4 Ky 
ZA) 
AK 
A. platanoides. 
larities, sometimes with about three 
winding sinuations. Flowers in erect 
eorymbs. Differs from Acer platanoides 
in having the lobes of the leaves more 
nearly entire, and the fruitmuch smaller 
with wings not so broadly spreading. 
10. Acer campéstre, L. (ENGLISH 
OR CORK-BARK MapLe.) Leaves cor- 
date, with usually 5 
roundish lobes, spar- 
ingly crenate or ra- 
ther undulated ; juice 
1 milky. 
4 
flowers erect, appear- 
The leaves A, macroph¥llum. 
resemble those of the Sycamore (Plata- 
nus). Flowers a little later than the 
leaves in spring, in stalked corymbs, less 
drooping than the Sugar-maple (No. 6). 
Fruit with wings diverging in a straight 
line. A medium-sized, broad, rounded 
tree with brown twigs and milky juice, 
best seen at the bases of the young leaves. 
Cultivated throughout. 
9. Acer L&tum. (CoLcHIcUM-LEAVED 
Mapue.) Leaves 5- to 7-lobed, scarcely 
heart-shaped at base, smooth and green 
on both sides; juice milky; the lobes 
usually without any notches or irregu- 
Racemes of 
A, Lietum. 
A.campéstre. ing after the leaves in spring. Wings of the fruit 
