MALACEAE 567 
173. Crataegus denaria Beadle. A tree 5-7 m. tall, with a trunk sometimes 2 dm. 
in diameter covered with dark gray or brownish scaly bark. Leaf-blades oval, oblong- 
obovate or elliptic, or on leading shoots broadly oval, ovate or obovate, 2.5-6 cm. long, 
1-4 cm. wide, glabrous at maturity, mostly pointed at the apex, contracted or narrowed at 
the base, the borders serrate; petioles 5 mm.-2 cm. long, margined, glabrous or with a 
few hairs on the upper side, especially when young: corymbs compound, many-flowered, 
more or less pilose: pedicels and hypanthium sparingly pilose or glabrous: sepals 4-6 
mm. long, entire or slightly serrate: corolla 13-16 mm. wide: stamens normally 10: fruit 
globose or subglobose, 6-9 mm. thick, the flesh thin and firm: nutlets 3-5, 5-6 mm. long, 
the hypostyle about two-thirds as long as the ventral angle. 
On banks of streams, eastern Mississippi. 
174. Crataegus crocina Beadle. A tree 4-6 m. tall, with a short trunk covered 
with ashy gray or brownish black scaly bark. Leaf-blades oblong or obovate-cuneiform, 
2-5.5 em. long, 1-3 em. wide, glabrous or glabrate on the upper surface at maturity, pale 
or whitened and pubescent beneath, especially along the midrib and principal veins, either 
rounded or pointed at the apex, cuneate at the base, the borders serrate, except near the 
base; petioles 5-15 mm. long, margined, pubescent, at least when young: corymbs sub- 
simple or compound, few- or many-flowered : pedicels and hypanthium pilose-pubescent : 
sepals 3.5-5 mm. long, entire or slightly serrate: corolla 12-16 mm. wide: stamens nor- 
mally 20, the anthers yellow: fruit oval or oblong, 8-11 mm. thick, ripening in October, 
yellow at maturity: nutlets 2, about 7 mm. long, the hypostyle 4-5 mm. long. 
In low woods, southern Louisiana. 
. ,175. Crataegus albicera Beadle. A tree sometimes 7-8 m. tall, with a trunk 2 dm. 
in diameter clothed with dark gray or brownish scaly bark. Leaf-blades oval, elliptic or 
oblong, sometimes obovate- or oblong-cuneiform, 2-6 cm. long, 1-4 cm. wide, at maturity 
dark green and glabrate on the upper surface, pale or whitened and pubescent beneath, the 
pubescence dense and more persistent along the midrib and principal veins, mostly pointed 
at the apex, contracted or narrowed at the base, the borders serrate, mostly above the 
middle ; petioles 2-10 mm. long, pubescent: corymbs hirsute-pubescent, compound : pedi- 
cels and hypanthium hirsute-pubescent : sepals 3-4 mm. long, slightly serrate or entire: 
stamens 10-14, the anthers purple: fruit oblong, 8-12 mm. thick, 10-14 mm. long, ripen- 
ing in August, at maturity pale yellow, the flesh soft and edible: nutlets solitary or in 
pairs, about 7 mm. long, the hypostyle about 4 mm. long. 
In open, rich woods, southern Louisiana. 
176. Crataegus sinistra Beadle. A small tree, or a large much-branched shrub 3-5 
m. tall, with one or more stems clothed with dark gray or brownish black scaly bark. 
Leal blades obovate, oval or elliptic, 2-5 cm. long, 8 mm.-3 cm. wide, glabrous or gla- 
rate 1n age on the upper surface, pubescent beneath, especially along the midrib and 
principal veins, mostly rounded but occasionally pointed at the apex, wedge-shaped or 
more abruptly contracted at the base, the borders serrate above the middle, or rarely 
entire; petioles 3-7 mm. long, margined, pubescent: corymbs compound, pilose-pubes- 
cent, 7-15-flowered : pedicels and hypanthium pilose-pubescent: sepals 3-4 mm. long, 
mostly entire: stamens normally 10, the anthers purple: fruit oval, 9-12 mm. long, 6-8 
mm. thick, at maturity reddish, red and green or with yellowish surfaces where not ex- 
osed and brownish red cheeks, the flesh thin and firm: nutlets 1-2, 7-8 mm. long, the 
ypostyle about 4 mm. long. 
On limestone hills, middle Tennessee. 
hé ci Crataegus signàta Beadle. A tree 5-6 m. tall, or frequently a large much- 
zm nched shrub with one or more stems. Leaf-blades obovate or obovate-cuneiform, or 
wn oval on leading shoots, 2-4 cm. long, 1.5-3 cm. wide, pubescent, either rounded 
si pointed at the apex, wedge-shaped or contracted at the base, the borders sharply serrate 
pecially above the middle, or on the shoots more sharply serrate and frequently incised ; 
m 3-15 mm. long, margined, pubescent, glandular: corymbs pilose-pubescent, com- 
"imum : pedicels and hypanthium pubescent: sepals 4-6 mm. long, glandular-serrate : 
ue gd ME 10: fruit oval or oblong, 9-14 mm. long, tae "E gn red at = 
, ess pruin : 3-5, 7- i . 
hypostyle Fa oes Tc ose, punctate: nutlets 3-5, 7-8 mm. long, mm. deep, the 
In open, mostly dry copses, southern Alabama. 
(pian Crataegus Crás-Gálli L. A tree sometimes 8-9 m. tall, with a trunk 3-4 dm. in 
“oe covered with dark gray or brownish scaly bark. Leaf-blades obovate or ob- 
faa ate, 2-5 em. long, 1-3 em. wide, or on leading shoots frequently oval and of 
a glabrous, obtuse or pointed at the apex, cuneate at the base, the borders 
Ply serrate above the middle; petioles 5-15 mm. long, margined : corymbs compound, 
