568 MALACEAE 
glabrous, many-flowered : pedicels and hypanthium glabrous: sepals 3.5-5 mm. long, 
linear-lanceolate: corolla 12-14 mm. wide: stamens about 10, the anthers rose-color or pur- 
plish : fruit oval or oblong, 8-13 mm. thick, dull red at maturity ; nutlets mostly 2, about 
8 mm. long, the hypostyle about 5 mm. long. 
In woods and thickets, Canada and New England to North Carolina and Missouri. 
179. Crataegus mácra Beadle. A small tree, or a large spreading shrub 2-5 m. 
tall, with one or more stems covered with dark gray or brownish scaly bark. Leaf-blades 
euneate or oblong- or obovate-cuneiform, 2-5 cm. long, 8 mm.-2 cm. wide, glabrous, 
rounded or pointed at the apex, cuneate at the base, the borders serrate above the middle ; 
petioles 3-10 mm. long, margined : corymbs small, short, compound, glabrous: pedicels 
and hypanthium glabrous: sepals 3-4.5 mm. long, mostly entire: corolla about 12 mm. 
wide: stamens about 10, the anthers purplish : fruit subglobose or oval, 5-8 mm. broad, 
red at maturity : nutlets 1-3, 6-7 mm. long, the hypostyle 3-4 mm. long. 
In flat woods, north western Georgia. 
180. Crataegus regàlis Beadle. A tree, sometimes 10 m. tall, with a trunk 2-3 dm. 
in diameter covered with ashy gray or brownish scaly bark. Leaf-blades oval, broadly 
oval or elliptic, 3-8 cm. long, 1.5-5 cm. wide, glabrous, acute or acuminate at the apex, 
contracted or broadly cuneate at the base, the borders serrate, and on leading shoots often 
incised ; petioles 5-15 mm. long, margined : corymbs glabrous, compound, many-flowered : 
pedicels and hypanthium glabrous: sepals 4-5 mm. long, linear-lanceolate, entire or re- 
motely serrate: corolla 12-14 mm. wide: stamens about 10, the anthers yellow: fruit 
oblong, about 8 mm. thick and 1 cm. long: nutlets mostly 2-3, 7-8 mm. long, the hypo- 
style 5-6 mm. long. 
In low woods, north western Georgia and northern Alabama. 
181. Crataegus álgens Beadle. A large shrub, or a small tree 2-5 m. tall, the 
trunk clothed with dark gray or brownish black scaly bark. Leaf-blades obovate- or 
oblong-cuneiform, sometimes broadly obovate or elliptic, 2-6 cm. long, 1.5-4 cm. wide, 
glabrous, either rounded or pointed at the apex, wedge-shaped or more abruptly contracted 
at the base, the borders serrate, at least above the middle; petioles 5-15 mm. long, mar- 
gined : corymbs compound, glabrous, many-flowered : pedicels and hypanthium glabrous ; 
sepals 4-5.5 mm. long, entire or remotely serrate : corolla 12-14 mm. wide : stamens about 
10, the anthers yellow: fruit subglobose or somewhat ovoid, 8-10 mm. thick, dull red at 
maturity : nutlets mostly 1-2, 7-8 mm. long, the hypostyle about 5 mm. long. 
In woods and fields, North Carolina to Georgia, Alabama and Tennessee. 
182. Crataegus pyracanthoides Beadle. A shrub, or a small tree 2-5 m. tall, with 
ashy gray or brownish smooth or scaly bark. Leaf-blades obovate, oblanceolate or elliptic, 
1.5-5 em. long, 7 mm.-3 em. wide, glabrous, acute or rounded at the apex, cuneate at the 
base, the margins serrate above the middle; petioles 2-10 mm. long, margined: corymbs 
compound, glabrous, many-flowered : pedicels and hypanthium glabrous: sepals 2.5-4 cm. 
long, entire or remotely serrate : stamens 7-12, the anthers purplish : fruit globose or nearly 
so, 5-8 mm. in diameter, bright red at maturity : nutlets mostly 2, 5-6 mm. long, the hypo- 
style about half the length of the nutlet. 
Banks of the Chipola River, near Marianna, Florida. 
183. Crataegus armata Beadle. A shrub, or a small tree 2-5 m. tall, with ashy 
gray or brownish scaly bark. Leaf-blades oblong- or obovate-cuneiform, 2-4 cm. long, 
1-2 em. wide, or on leading shoots oval, 2.5-3.5 cm. wide, glabrous, rounded, miueronsie 
or even acute at the apex, wedge-shaped, or more abruptly contracted at the base, the 
margins serrate above the middle, or occasionally subentire ; petioles 5-10 mm. long, mar- 
gined : corymbs compound, glabrous, many-flowered : pedicels and hypanthium glabrous : 
sepals 2.5-4 mm. long, entire or slightly serrate: stamens 7-10: fruit globose or nearly 80, 
5-8 mm. wide, dull red, pruinose: nutlets 1-2, 6-7 mm. long, the hypostyle 3-4 mm. long. 
On limestone hills, middle Tennessee and northern Alabama. 
184. Crataegus arbórea Beadle. A tree, sometimes 8-10 m. tall, with a trunk z 
dm. in diameter covered with dark gray fissured exfoliating bark. Leaf-blades = 
cuneiform or oblanceolate, 2-6 cm. long, 12 mm.-4 em. wide, glabrous, rounded or poin E 
at the apex, wedge-shaped at the base, the margins serrate except at the base or below the 
middle; petioles 5-15 mm. long, margined : corymbs glabrous, compound, many eer 15 
pedicels and hypanthium glabrous: sepals 2.5-4 mm. long, mostly entire : corolla 1 49 
mm. wide: stamens about 20, the anthers light yellow: fruit globose or subglobose, | le 
mm. thick, red or ruddy at maturity : nutlets mostly 2, about 7 mm. long, the hyposty 
4-5 mm. long. 
In pine woods, mostly in clay soil, Montgomery, Alabama, 
