564 MALACEAE 



155. Crataegus arcana Beadle. A shrub or small tree 2-6 m. tall, with a short 

 trunk sometimes 2 dm. in diameter, clothed with dark gray or brownish black scaly- 

 bark. Leaf-blades ovate or oval, 2.5-6 cm. long, 2-7 cm. wide, glabrous when fully 

 grown, acute or acuminate at the apex, rounded or contracted, or on leading shoots trun- 

 cate or subcordate at the base, the borders sharply serrate and incised ; petioles 1-3 cm. 

 long, glabrous : corymbs simple or subsimple, 4-10-flowered : pedicels and hypanthium 

 glabrous : sepals 4-5 mm. long : corolla 16-20 mm. wide : stamens 20, the anthers light 

 purple : fruit subglobose, 8-12 mm. thick, obtusely angled and conspicuously swollen be- 

 low the middle, at maturity red or ruddy, the flesh firm : nutlets 3-5, 6-7 mm. long, the 

 hypostyle about half the length of the ventral angle. 



In woods and old fields near Biltmore, North Carolina. 



156. Crataegus Georgi^na Sarg. A tree sometimes 8-10 m. tall, with a trunk 3 dm. 

 in diameter, covered with dark gray or brownish scaly bark. Leaf-blades ovate, 3.5-5.5 

 cm. long, 2.5-3.5 cm. wide, or larger on leading shoots, glabrous when fully grown, acute 

 or acuminate at the apex, contracted or rounded at the base, the borders serrate and with 

 short acute lobes ; petioles 1.5-3 cm. long, glabrous : corymbs subsimple or compound, 

 5-10-flowered : pedicels and hypanthium glabrous : sepals 3-5 mm. long, entire or obscurely 

 serrate: corolla about 20 mm. wide : stamens 20, the anthers purplish : fruit globose, 10-13 

 mm. in diameter, at maturity dull russet-green, the flesh firm : nutlets 3-5, 6-7 mm. long. 



In low woods and meadows, near Rome, Georgia. 



157. Crataegus cdllida Beadle. A shrub or small tree 2-5 m. tall, the trunk or 

 stems covered with dark gray or brownish scaly bark. Leaf-blades ovate, 2-7 cm. long, 

 2-6 cm. wide, glabrous, acute or acuminate at the apex, rounded, truncate or subcordate at 

 the base, the borders serrate and with several pairs or short point-like lobes; petioles 1-3 

 cm. long, glabrous : corymbs subsimple or compound, 5-10-flowered : pedicels and hypan- 

 thium glabrous : sepals 3-5 mm. long, mostly entire : corolla about 20 mm. wide : stamens 

 20, the anthers very pale yellow or almost white: fruit depressed-globose, 8-10 mm. wide : 

 at maturity red or green and red often with russet surfaces, the flesh firm : nutlets 3-5, 

 about 7 mm. long, the hypostyle occupying about two-thirds of the ventral angle. 



In flat woods, northeastern Alabama. 



158. Crataegus iracvinda Beadle. A large shrub, or a slender tree 2-5 m. tall, with 

 ashy gray, either smooth or scaly bark. Leaf-blades ovate or deltoid, 1.5-6 cm. long, 1-6 

 cm. wide, scabrous above, glabrous beneath, acute or acuminate at the apex, truncate, cor- 

 date or occasionally broadly cuneate at the base, the borders sharply serrate and incised ; 

 petioles 7 mm. -2 cm. long, glabrous, glandular : corymb simple, 3-7-flowered : pedicels 

 and hypanthium glabrous : sepals 3— 4 ram. long, entire or glandular-serrate : corolla about 

 15 mm. wide : stamens 10, the anthers purple : fruit subglobose, 8-10 mm. thick, at ma- 

 turity red or red and green, the flesh firm : nutlets 3-5, about 6 mm. long, the hypostyle 

 3-4 mm. long. 



In flat woods, northwestern Georgia. 



159. Crataegus viclndlis Beadle. A large shrub, or a small tree 3-6 m. tall, with 

 dark gray or brownish scaly bark. Leaf-blades ovate, 2-5 cm. long, 1.5-4 cm. wide, gla- 

 brous, acute or acuminate at the apex, rounded, truncate or cordate, or sometimes broadly 

 cuneate at the base, the margins serrate and with short, acute lobes ; petioles 7 mm. -2 cm. 

 long, glabrous : corymbs simple, 3-7-flowered : pedicels and hypanthium glabrous : sepals 

 2-4 mm. long, entire or serrate : corolla 14-16 mm. wide : stamens 20, the anthers white 

 or cream-color : fruit pyriform, 7-9 mm. thick, 9-12 mm. long, at maturity red or ruddy, 

 the flesh firm : nutlets 3-5, 6.5-7.5 mm. long, the hypostyle about 5 mm. long. 



In woods and on slopes, southeastern Tennessee and Georgia. 



160. Crataegus basilica Beadle. A shrub or small tree 4-7 m. tall, with dark gray 

 or brownish scaly bark. Leaf-blades ovate, 3-7 cm. long, 2.5-6.5 cm. wide, glabrous, acute 

 or acuminate at the apex, broadly cuneate, rounded or truncate at the base, the borders 

 serrate and with several pairs of short, acute lobes ; petioles 1-3 cm. long, glabrous : 

 corymbs subsimple or compound, glabrous, 5-15-flowered : pedicels and hypanthium gla- 

 brous : sepals 4-5 mm. long, entire or serrate: corolla 14-17 mm. wide : stamens 15-20, the 

 anthers purple : fruit subglobose, 12-15 mm. thick, at maturity red or pruinose-red, the 

 flesh soft : nutlets 3-5, 7-8 mm. long, the hypostyle about 5 mm. long. 



In woods and on slopes in the mountains, western North Carolina. 



161. Crataegus macrosp^rma Ashe. A shrub or small tree 3-7 m. tall, with dark 

 gray or brownish scaly bark. Leaf-blades ovate or oval, 2.5-6 cm. long, 2-5 cm. wide, 

 glabrous, acute at the apex, rounded, truncate or cordate at the base, sharply serrate and 

 with several pairs of short, acute lobes ; petioles 1-3 cm. long, glabrous : corymbs simple or 

 subsimple, 4-9-flowered : pedicels and hypanthium glabrous: sepals 3-5 mm. long, serrate 



