[Illustration: Plate 80.
CRATÆGUS MARGARETTA Ashe. Judge Brown's Thorn. Mrs. Ashe's Thorn.
(× 1/2.)]
=Distribution.=--Southern Ontario to central Iowa, western Virginia,
Tennessee and Missouri. Known in Indiana only from the northern part of
the State.
A small tree sometimes 8 m. (25 feet) high, with spreading branches.
Specimens have been seen from the following counties: Allen (Deam);
Blackford (Deam); Cass (Mrs. Ida Jackson); Delaware (Deam); Elkhart
(Deam); Fulton (Deam); Grant (Deam); Henry (Deam); Huntington (Deam);
Johnson (Deam); Lagrange (Deam); Lawrence (Deam); Noble (Deam); Randolph
(Deam); Steuben (Deam); Tipton (Mrs. Chas. C. Deam); Wayne (Deam); Wells
(Deam).
=5. Crataegus collìna= Chapman. Chapman's Hill Thorn. Plate 81. Bark
dark gray, scaly; spines numerous, about 3-7 cm. (1-2-1/2 inches) long;
often numerous branched thorns on the trunk 15-20 cm. (6-8 inches) long,
brown; leaves obovate to oblanceolate, 2-6 cm. (3/4-2-1/4 inches) long,
1.5-5 cm. (1/2-2 inches) wide, acute or obtuse at the apex, strongly
cuneate, serrate or doubly serrate with obtuse lobes towards the apex,
subcoriaceous, yellow-green, young leaves somewhat pubescent, becoming
glabrous with age; petioles about 2.5 cm. (1 inch) long, slightly hairy,
somewhat winged; corymbs and calyx pubescent; flowers about 15 mm. (3/4
inch) wide; stamens 10-20, usually 20, anthers usually yellow; styles
and nutlets, 4-5; calyx lobes glandular-ciliate or glandular-serrate;
fruit ripens in October, globose or compressed-globose, red or
orange-red, 9-12 mm. (3/8-1/2 inch) thick; calyx tube somewhat
prominent, the lobes reflexed.
=Distribution.=--Virginia to Georgia, Indiana, Missouri and Mississippi.
Only one station known in Indiana; Deam's No. 12449 from Dearborn
County.
A tree sometimes 8 meters (25 feet) high with spreading branches and a
broad flat crown.
=6. Crataegus succulénta= Schrader. Long-spined Thorn. Plate 82. Bark
gray; spines numerous, strong, 3-10 cm. (1-1/2-4 inches) long,
chestnut-brown; leaves rhombic-ovate to obovate, 3-8 cm. (1-1/4-3-1/4
inches) long, 2.5-6 cm. (1-2-1/2 inches) wide, acute at the apex,
broadly cuneate at the base, serrate or doubly serrate with fine teeth,
often lobed towards the apex, coriaceous, dark shining green above,
pubescent along the veins beneath; petioles 1-2 cm. (3/8-3/4 inch) long,
slightly winged above; corymbs slightly villous, many-flowered; flowers
appear in May, about 2 cm. (3/4 inch) broad; stamens 10-20, usually 10;
anthers pink or occasionally yellow or white, large; styles and nutlets
usually 2 or 3; calyx lobes lanceolate-acuminate, glandular-laciniate,
villous; fruit ripens in September, subglobose, 5-15 mm. (1/4-2/3 inch)
thick, dark red, shining, flesh thin, glutinous; nutlet with deep pits
on the inner faces; calyx-lobes villous, reflexed.
[Illustration: Plate 81.