pea-like pod. 32. _Cercis._

=f.= Leaves not as above given. (=g.=)

=g.= Leaves broadly heart-shaped, with a serrate margin
and a petiole about as long as the blade, sometimes
longer; base of leaf not oblique 4. _Idesia._

=g.= Leaves broadly heart-shaped, those on the suckers
much lobed; base not oblique; margin serrate; juice
milky; bark very tough. (=l.=)

=g.= Leaves broadly heart-shaped, with an oblique base;
margin regularly serrate; juice not milky 11. _Tilia._

=g.= Leaves slightly if at all heart-shaped at base,
usually somewhat oblique, with neither milky juice
nor lobes. (=j.=)

=g.= Leaves decidedly and quite regularly lobed. (=h.=)

=h.= Leaves with 3-5 large lobes, the margin entire or
slightly angulated. 10. _Sterculia._

=h.= Leaves star-shaped, with 5-9 pointed, serrate lobes.
(=i.=)

=h.= Leaves large, irregularly margined; leaf-stem covering
the bud; large tree 80. _Platanus._

=h.= Plant quite thorny; fruit berry-like, ending in a
conspicuous spreading calyx; small trees or shrubs with
apple-like blossoms. 38. _Crataegus._

=h.= Leaves with a tapering base; small tree, almost a
shrub, with large Hollyhock-like flowers; plant not
thorny 9. _Hibiscus._

=i.= Large tree, with fruit 1 in. in diameter, dry,
rough, hanging on a long stem 41. _Liquidambar._

=i.= Small tree with few branches and the trunk usually
quite prickly; fruit berry-like in large clusters 44. _Aralia._

=j.= Fruit small berries, with 3 flattened seeds, in
clusters in the axils of the leaves, which are
decidedly 3-ribbed from the base 21. _Hovenia._

=j.= Fruit small drupes, with 1 seed, either solitary or in
pairs in the axils of the leaves. (=k.=)

=k.= Plant without prickles; leaves decidedly oblique at
base 76. _Celtis._

=k.= Plant with prickles; leaves narrow, decidedly
3-ribbed, and 2-ranked on green twigs 22. _Zizyphus._

=l.= Fruit not very edible; leaves rough above, very hairy
below, on som