548 MALACEAE 



fruit oval, 10-13 mm. thick, red at maturity : nutlets mostly 2-3, 8-10 mm. long, 4-5 mm. 

 deep, the hypostyle about half the length of the nutlet. 

 On hillsides in clay soil, northwestern Georgia. 



60. Crataegus agrestina Beadle. A small tree 4-5 m. tall, with dark gray or 

 brownish bark and spreading branches, or a shrub with one or more stems. Leaf-blades 

 ovate, oval or obovate, 2-5 cm. long, 1-3.5 cm. wide, glabrous at maturity, acute at the 

 apex, narrowed or contracted at the base, the borders sharply serrate and incised ; petioles 

 5-20 mm. long, margined : corymbs simple, glandular-bracteate, 3-5-flowered : pedicels 

 5-10 mm. long, sparsely pubescent : hypanthium glabrous or with a few weak hairs at 

 the base : sepals 3-4 mm. long, glandular: corolla 15-18 mm. wide: stamens about 20, 

 the anthers nearly yellow : fruit pyriform, 7-9 mm. thick, 9-12 mm. long, red at ma- 

 turity, nutlets mostly 2-3, 5-6 mm. long, the hypostyle a trifle less than half the length of 

 the nutlet. 



In woods and about margins of swamps, southern Alabama. 



61. Crataegus extraria Beadle. A large shrub 2-4 m. tall, with spreading or ascend- 

 ing branches, and dark gray or brownish, rough or scaly bark. Leaf-blades oval, obovate, 

 or on leading shoots ovate or suborbicular, 2-5 cm. long, 1.5-4 cm. wide, glabrous, acute 

 at the apex, narrowed or contracted, or on the shoots rounded at the base, the borders 

 sharply serrate and incised : corymbs simple, 3-5-flowered, glandular-bracteate : pedicels 

 and hyanthium pilose-pubescent : sepals 4-5 mm. long, usually glandular-serrate : corolla 

 16-20 mm. wide : stamens usually 12-15, the anthers pale purple : fruit subglobose or oval, 

 9-12 mm. thick, red at maturity : nutlets mostly 2-3, 8-10 mm. long, 4-5 mm. deep, the 

 hypostyles 4-5 mm. long. 



On hillsides, mostly in red clay soil, northwestern Georgia. 



62. Crataegus sororia Beadle. A tree 5-7 m. tall, with dark gray or brownish black, 

 rough or scaly bark, or more often a large much -branched shrub with spreading or ascend- 

 ing branches. Leaf-blades 1-4.5 cm. long, 1-4 cm. wide, or larger on leading shoots- 

 glabrous in age, obovate, round-ovate or nearly orbicular, or on the vigorous shoots fre, 

 quently broader than long, acute or sometimes scarcely pointed at the apex, abruptly con, 

 tracted or narrowed, or on the shoots truncate at the base, the borders irregularly serrate- 

 dentate ; petioles 5-15 mm. long, margined, glandular : corymbs simple, 3-6-flowered- 

 glandular-bracteate : pedicels 5-15 mm. long, sparsely pubescent : hypanthium glabrous 

 or with a few weak hairs : sepals about 6 mm. long, glandular-serrate : stamens 20, the 

 anthers nearly yellow : fruit globose, 12-18 mm. in diameter, at maturity red or red and 

 yellow, the flesh thick and succulent : nutlets mostly 3, 7-9 mm. long, 4-5 mm. thick, the 

 hypostyle about 5 mm. long. 



On wooded hills and rocky exposures, northwestern Georgia and adjacent Alabama. 



63. Crataegus galbana Beadle. A small tree 5-6 m. tall, with a short trunk some- 

 times 1-1.5 dm. in diameter, clothed with dark gray or brownish black bark, or more fre- 

 quently a large shrub with one or more stems. Leaf -blades oval, obovate or round-ovate, 

 1-4 cm. long, 1-3 cm. wide, glabrous at maturity, acute or rounded at the apex, rounded 

 or contracted at the base, the margins irregularly dentate : corymbs simple, 1-5-flowered r 

 pedicels short, like the hypanthium, pubescent : sepals 3-5 mm. long, serrate and glandu- 

 lar : corolla 15-20 mm. wide : stamens 20, the anthers light yellow or nearly white : fruit 

 globose, 9-13 mm. in diameter, at maturity red, the flesh orange-yellow, succulent : nut- 

 lets 3-5, about 8 mm. long, 3.5-4.5 mm. deep, the hypostyle about half the length of the 

 ventral angle. 



In woods and on borders of swamps, River Junction, Florida. 



64. Crataegus abdita Beadle. A shrub or small tree 3-6 m. tall, with dark ashy 

 gray or brownish bark. Leaf-blades obovate, oval or suborbicular, or on leading shoots 

 sometimes broadly ovate, 1.5-3.5 cm. long, 1-3 cm. wide, glabrous or glabrate at maturity, 

 rounded or abruptly pointed at the apex, narrowed or contracted, or occasionally rounded 

 at the base, the margins irregularly dentate : corymbs simple, 3-5-flowered : pedicels 

 mostly 10-15 mm. long, like the hypanthium, white tomentose : sepals 5-6 mm. long, ser- 

 rate and glandular : corolla 15-20* mm. wide : fruit globose, 10-15 mm. in diameter, at 

 maturity red, the flesh orange or orange-yellow, succulent : nutlets 3-5, 7-9 mm. long,. 

 3.5-5 mm. deep, the hypostyle 5-6 mm. long. 



In woods, mostly in sandy soil, River Junction, Florida. 



65. Crataegus 6xilis Beadle. A large shrub or small tree 3-6 m. tall, with dark gray 

 or brownish, rough or scaly bark. Leaf-blades obovate, oval or elliptic, or on the shoots 

 rhombic-ovate, 1.5-4 cm. long, 1-3.5 cm. wide, glabrous at maturity, acute or abruptly 

 pointed at the apex, cuneate or contracted, rarely rounded at the base, the borders serrate 

 and incised, or on leading shoots deeply lobed ; petioles 5-15 mm. long, margined, mi- 



