ves without a midrib, parallel-veined 109. _Salisburia._

=C.= With radiating ribs, and including those which have
the lower ribs longer and more branching than those
above them. (=f.=) page 56.

=C.= With distinct and definite feather-veining. (=D.=)

=D.= Margin entire, or so nearly so as to appear entire,
sometimes slightly angulated but not lobed. (=V.=)

=D.= Once or twice serrate or crenate or wavy-edged, but not
lobed. (=E.=)

=D.= Distinctly lobed. (=S.=)
(If the notches are over 10 on a side, look under =E.=)

=E.= Straight-veined. (=M.=)

=E.= Not distinctly and evenly straight-veined. (=F.=)

=F.= Leaves evergreen with either revolute or spiny-tipped
margins 18. _Ilex._

=F.= Leaves evergreen, lanceolate-oblong, minutely serrate;
flowers white, 4 in. in diameter 8. _Gordonia._

=F.= Leaves deciduous. (=G.=)

=G.= Fruit with fleshy and often edible pulp. (=K.=)

=G.= Fruit a dry and more or less rounded pod. (=H.=)

=G.= Fruit and flowers in dry catkins; leaves, in most
species, 3 or more times as long as wide, finely
serrate to entire, with free stipules, in many
species remaining on the young twigs, in others shown
by a rounded scar on the sides of the stem; wood
soft; the Willows 91. _Salix._

=G.= Fruit dry akenes with silky pappus, in small heads;
whole plant whitened with scurf; leaves broadened and
coarsely notched near tip; a broad spreading bush
49. _Baccharis._

=H.= Flowers conspicuous, 1 in. or more in size, white.
(=J.=)

=H.= Flowers quite small. (=I.=)

=I.= Flowers and fruit in large panicles; leaves
elongated, peach-like in shape, sour 50. _Oxydendrum._

=I.= Flowers in terminal, erect racemes; fruit small,
three-celled pods; leaves oval, 3-7 in. long,
pointed, thin, finely serrate; plant hardly a tree
53. _Clethra._

=I.= Fruit rounded, small, with calyx adhering to the
lower part, one-seeded, in clusters of 3-many; leaves
1-3 in. long. 56. _Styrax._

=I.= Fruit hairy, in long, hangi