=1. Crataegus Crus-gálli= Linnæus. Cock-spur Thorn. Newcastle Thorn. Plate 77. Bark dark gray, scaly; spines many, strong, straight, 3-18 cm. (1-7 inches) long; leaves obovate to elliptical, 2-10 cm. (3/4-4 inches) long, 1-4 cm. (1/4-1-1/2 inches) wide, sharply serrate, except towards the base, acute or rounded at the apex, cuneate, dark green and shining above, coriaceous, glabrous or occasionally slightly pubescent; petioles slightly winged above, glandless, 1-2 cm. (3/8-3/4 inch) long; corymbs glabrous or occasionally pubescent, many flowered; flowers appear in May or June, about 1.5 cm. (2/3 inch) wide; stamens 10-20; anthers usually pink; calyx lobes lanceolate-acuminate, entire; styles and nutlets usually 2; fruit ripens in October, ellipsoidal-ovoid to subglobose, about 1 cm. (3/8 inch) thick, greenish to red; flesh hard and dry, rather thin. =Distribution.=--Northern New York to Ontario, eastern Kansas and south through western Connecticut to Georgia and Texas. Introduced near Montreal, about Lake Champlain and Nantucket Island. Well distributed in Indiana (but apparently more common in the southern part of the State). A small tree, sometimes 10 m. (35 feet) high, with spreading branches and a broad crown; but often a large shrub. This is a variable species and has received many names. I have seen specimens from the following counties: Allen (Deam); Crawford (Deam); Dearborn (Deam); Decatur (Mrs. Chas. C. Deam); Delaware (Deam); Dubois (Deam); Franklin (Deam); Gibson (Schneck), (Deam); Grant (Deam); Hancock (Mrs. Chas. C. Deam); Jackson (Deam); Knox (Schneck); Lawrence (Deam); Marion (Mrs. Chas. C. Deam); Posey (Deam); Owen (Grimes); Randolph (Deam); Scott (Deam); Tippecanoe (Deam); Vermillion (Deam); Vigo (Blatchley); Washington (Deam); Wells (Deam). =2. Crataegus cuneifórmis= (Marshall) Eggleston. (_C. pausiaca_ Ashe). Marshall's Thorn. Plate 78. Bark dark brown, scaly; spines numerous, 2-18 cm. (3/4-7 inches) long; leaves oblanceolate-obovate, acute at the apex, cuneate at the base, serrate or doubly serrate 3-6 cm. (1/2-1-1/2 inches) wide, dark vivid yellow-green, glabrous and impressed veined above when mature, subcoriaceous; petioles 1-2 cm. (3/8-3/4 inch) long, slightly winged above; corymbs usually slightly pubescent, many flowered; flowers appear in May, 1.2-1.5 cm. (1/2-2/3 inch) wide; calyx lobes lanceolate-acuminate, entire; stamens, 10-15; anthers dark pink; styles and nutlets 2-4; fruit ripens in October, ellipsoidal-pyriform, scarlet or dark red, about 8 mm. (3/8 inch) thick, flesh hard, thick. =Distribution.=--Western New York and Pennsylvania to southwestern Virginia, west to central Illinois. [Illustration: Plate 77. CRATAEGUS CRUS-GALLI Linnæus. Cock-spur Thorn. (× 1/2.)] [Illustration: Plate 78. CRATAEGUS CUNEIFORMIS (Marshall) Eggleston. Marshall's Thorn. (× 1/2.)]