=G.= Leaves rarely lobed; veins very prominent 8.

=F.= Leaves quite smooth 6.

[Illustration: C. coccinea.]

1. =Crataegus coccinea=, L. (SCARLET-FRUITED THORN.) Leaves bright
green, smooth, thin, roundish-ovate, sharply cut-toothed or lobed, on
slender petioles. Branches reddish, villous-pubescent; spines stout,
chestnut-brown. Flowers large, 1/2 to 2/3 in., many in a corymb, on
glandular peduncles. May to June. Fruit scarlet, round or pear-shaped,
1/2 in.; ripe in September, with from 1 to 5 cells and seeds. Tall
shrub or low tree, 10 to 25 ft. high, in hedges and woods; common from
Canada to Florida.

Var. _mollis_ has the shoots densely pubescent; leaves large,
slender-petioled, cuneate, cordate or truncate at base, usually with
acute narrow lobes, often rough above, and more or less densely
pubescent beneath. Flowers large, 1 in.; fruit light scarlet with a
light bloom, 1 in. broad.

[Illustration: C. Crus-galli.]

2. =Crataegus Crus-galli=, L. (COCKSPUR THORN.) Leaves smooth, thick,
shining above, wedge-obovate, finely serrate above the middle, with a
short petiole. There are broad and narrow-leaved varieties. Flowers
large and numerous, in lateral corymbs. May to June. Fruit globular, 1/3
in. broad, dull red; ripe in September and October. A small tree with a
flat, bushy head, horizontal branches, and long, sharp thorns. Wild and
common throughout, and often planted.

[Illustration: C. oxyacantha.]

3. =Crataegus oxyacantha.= (ENGLISH HAWTHORN.) Leaves obovate, smooth,
wedge-shaped at base, cut-lobed and toothed above. No glands. Flowers
medium-sized, 1/2 in., single or double, white, rose, or pink-red,
numerous in corymbs. In spring. Fruit coral-red, 1/3 in.; ripe in
autumn. A small tree or shrub, fine for lawn; from Europe; also escaped
in some places.

[Illustration: C. apiifolia.]

4. =Crataegus apiifolia=, Michx. (PARSLEY-LEAVED THORN.) Leaves small,
ovate, with a broad truncate or heart-shaped base, pinnatifid into 5 to
7 crowded, irregularly toothed lobes; white and soft-downy when young,
smoothish when grown; petioles slender. Flowers medium-sized, 1/2 in.,
many in a corymb, white. May to June. Fruit small, 1/3 in., coral-red,
ripe in autumn. A handsome, low (10 to 20 ft. high), spreading tree,
with flexible branches and white-downy twigs. Virginia and south, in
moist woods.

[Illustration: C. spathulata.]

5. =Cratae