6. =Cratægus cordàta=, Ait. (WASHINGTON THORN.) Leaves broadly triangular-ovate, somewhat heart-shaped, thin, deep shining green, smooth, often 3- to 5-lobed and serrate, on slender petioles. Flowers small, 2/5 in., many in terminal corymbs, white. May, June. Fruit scarlet, about the size of peas; ripe in September. A compact, close-headed, small tree, 15 to 25 ft. high, with many slender thorns. Virginia, Kentucky, and southward. Sometimes planted in the North for hedges. [Illustration: C. víridis.] 7. =Cratægus víridis=, L. (TALL HAWTHORN.) Leaves ovate to ovate-oblong, or lanceolate, or oblong-obovate, mostly acute at both ends, on slender petioles; acutely serrate, often somewhat lobed and often downy in the axils. Flowers numerous, in large clusters. Fruit bright red, or orange, ovoid, small, ¼ in. broad. A small tree, 20 to 30 ft. high, with few large thorns or without thorns. Southern Illinois and Missouri, along the Mississippi and in the Southern States. [Illustration: C. tomentòsa.] 8. =Cratægus tomentòsa=, L. (BLACK OR PEAR HAWTHORN.) Leaves downy-pubescent on the lower side (at least when young), thickish, rather large, oval or ovate-oblong, sharply toothed and often cut-lobed below, abruptly narrowed into a margined petiole, the upper surface impressed along the main veins or ribs. Branches gray. Flowers ill-scented, many in a corymb. Fruit ½ in. long, obovate to globose, dull red. Shrub or tree, 10 to 30 ft. high, wild in western New York, west and south. [Illustration: C. punctàta.] 9. =Cratægus punctàta.= (DOTTED-FRUITED HAWTHORN.) Leaves rather small, mostly wedge-obovate, attenuate and entire below, unequally toothed above, rarely lobed, villous-pubescent, becoming smooth but dull, the veins prominent beneath and impressed above. Fruit globose, large, 1 in. broad, red to bright yellow; peduncles not glandular. Shrub to tree, 10 to 20 ft. high, with horizontal branches; Canada to Georgia. [Illustration: C. flàva.] 10. =Cratægus flàva=, Ait. (YELLOW OR SUMMER HAW.) Leaves small, wedge-obovate, unequally toothed and cut above the middle; on short petioles; the teeth, stipules and petioles glandular. Flowers mostly solitary, white, large (¾ in). May. Fruit usually pear-shaped, quite large (¾ in. long), yellow or greenish-yellow, sometimes tinged or spotted with red, pleasant-flavored. Ripe in autumn. A low spreading tree, 15 to 20 ft. high. Virginia, south and west, in sandy soil. Var. _pubescens_ is downy-or villous-pubescent when young, and has thicker leaves and larger and redder fruit. GENUS =39. AMELÁNCHIER.= Small trees or shrubs with simple, deciduous, alternate, sharply serrate leaves; cherry-blossom-like, white flowers, in racemes at the end of the branches, before the leaves are fully expanded. Fruit a small apple-like pome; seeds 10 or less, in separate cartilaginous-coated cells. [Illustration: A. Canadénsis.]