MALACEAE 547 
54. Crataegus flava Ait. A tree sometimes 8 m. tall, with spreading or ascend- 
ing branches and scaly bark. Leaf-blades oval, ovate or obovate, 2-5.5 cm. long, 1.5-4 
em. wide, glabrous at maturity, pointed at the apex, narrowed or contracted, or on leading 
shoots rounded and abruptly prolonged at the base into margined or winged glandular 
petioles 5-15 mm. long, the borders crenate-serrate or dentate and shallowly incised : 
corymbs simple or subsimple, 3-7-flowered : pedicels 5-15 mm. long, pubescent, at least at 
flowering time: hypanthium glabrous or nearly so: sepals 5-6 mm. long, glandular, 
pubescent on the inner surface: corolla 15-18 mm. wide: stamens 10, the anthers pur- 
plish : styles 3-5: fruit pyriform, 8-12 mm. thick, 12-16 mm. long, at maturity yellow 
or yellow-green, the flesh firm: nutlets 3-5, 7.5-9 mm. long, the hypostyle 5-6 mm. long. 
Commonly cultivated in Europe and doubtless of east American origin. The description is based 
on specimens from the Kew gardens. 
55. Crataegus Allegheniénsis Beadle. A small tree or large shrub 2-5 m. tall, 
with gray or brownish, scaly or rough bark and spreading or ascending branches. Leaf- 
blades ovate, oval or nearly orbicular, 1-6 cm. long, 1.5-6 cm. broad, glabrous in age, 
aeute at the apex, abruptly narrowed or rounded, or on leading shoots truncate or subcor- 
date at the base, the borders sharply serrate and incisely lobed ; petioles 5-20 mm. long, 
margined, glandular: corymbs simple, 3-6-flowered : pedicels 1-2 cm. long, glabrous as is 
the hypanthium : sepals 4-6 mm. long, glandular-serrate: stamens 10, the anthers purple : 
fruit globular-pyriform, 9-14 mm. long, 8-12 mm. broad, at maturity red, the flesh soft : 
nutlets 2-5, usually 3-4, 5-7 mm. long, about 3 mm. deep, the hypostyle 4-5 mm. long. 
In woods and on rocky exposures, Lookout Mountain, northeastern Alabama. 
56. Crataegus frugiferens Beadle. A shrub or small tree 1-5 m. tall, with dark 
gray rough or scaly bark. Leaf-blades obovate, oval or round-ovate, 1-6 cm. long, 1.5-6 
cm. wide, glabrous or glabrate in age, mostly acute at the apex, rounded or abruptly con- 
tracted at the base into petioles 5-20 mm. long, the borders sharply and irregularly ser- 
rate and. incised : corymbs simple, 3-5-flowered : pedicels 7-15 mm. long, bearing a few 
weak hairs: hypanthium glabrous: sepals about 4 mm. long, sparingly glandular-serrate 
or entire: stamens 10, the anthers purple: fruit globose or ab 9-13 mm. in diam- 
eter, at maturity red, the flesh yellow or orange: nutlets 3-5, 7-8 mm. long, 4-5 mm. 
deep, the hypostyle 5-6 mm. long. 
In sandy or rocky soil, northern and upper central Alabama. 
57. Crataegus áprica Beadle. A small tree or shrub 3-7 m. tall, with dark gray or 
nearly black, rough or scaly bark. Leaf-blades obovate, rhombic-ovate or orbicular, 
1.5-5 cm. long, 1-5 cm. broad, glabrous at maturity, acute at the apex, usually narrowed 
but sometimes rounded at the base, the borders dentate or crenate-dentate, more or less 
toothed or lobed above the middle, or on leading shoots deeply lobed even to below the 
middle ; petioles 7-20 mm. long, margined and, like the base of the blade, bearing numer- 
ous black glands: corymbs 3-6-flowered, simple: pedicels 1-2 cm. long, pilose-pubescent : 
hypanthium sparingly pilose, at least near the base: sepals 3-5 mm. long, glandular-ser- 
rate or pectinately-glandular: stamens 10, the anthers yellow: fruit globose, 9-14 mm. in 
diameter, at maturity red or orange-red, the flesh thick, orange-yellow : nutlets 3-5, about 
‘mm. long, 3-4 mm. deep, the hypostyle about 5 mm. long. 
On sunny exposures in the mountains, western North Carolina and adjacent Tennessee to Georgia. 
58. Crataegus ignava Beadle. A small tree 3-4 m. tall, with gray or brownish 
scaly bark, or more frequently a much-branched shrub with two or more stems. Leaf- 
pies obovate, ovate or round-ovate, 2-5 cm. long, 1-3 em. wide, glabrous or with a few 
airs along the midrib and principal veins, acute at the apex, wedge-shaped or more 
uptly contracted at the base, the margins sharply serrate and incised ; petioles 5-15 mm. 
ong, margined, glandular: corymbs simple, glandular-bracteate, 3-5-flowered : pedicels 
glabrous or with a few weak hairs : hypanthium glabrous: sepals 4.5-5 mm. long, serrate 
di glandular-serrate : stamens 20, the anthers purplish: fruit subglobose, 8-12 mm. in 
ameter, at maturity red or orange-red, the flesh soft : nutlets 3-5, 6-7 mm. long, 3 mm. 
deep, the hypostyle about 3 mm. long. 
a hate rl rocky bluffs, Lookout and Sand Mountains, Alabama and adjacent stations in 
59. Crataegus impar Beadle. A large shrub 2-4 m. tall, with many stems and 
weed or ascending branches clothed with dark gray or brownish, rough or scaly 
ark. Leaf-blades obovate or oval, or on leading shoots broadly ovate, 2-5 cm. long, 1.5—4 
m broad, glabrous when fully grown, acute at the apex, narrowed or contracted, or on 
t s oe sometimes rounded at the base, the borders sharply serrate and incised ; petioles 
= d Spas long, margined, remotely glandular: corymbs simple, 3-6-flowered : pedicels 
15 1 y panthium glabrous or with several weak hairs : sepals 4-5 mm. long, serrate : corolla 
2-18 mm. wide : stamens varying in number, usually 12-15, the anthers nearly yellow: 
