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 macra 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 

 cuneate 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, northwestern Georgia. 



180. Crataegus regalia 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, northwestern Georgia and northern Alabama. 



181. Crataegus algens Beadle. A large shrub, or a small tree 2-5 m. tall, the 

 trunk clothed with dark grav 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 cm. long, 7 mm.-3 cm. 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 cm. wide, or on leading shoots oval, 2.5-3.5 cm. wide, glabrous, rounded, nmcronate 

 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 so, 

 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 arborea Beadle. A tree, sometimes 8-10 m. tall, with a trunk 2-3 

 dm. in diameter covered with dark gray fissured exfoliating bark. Leaf-blades obovate- 

 cuneiform or oblanceolate, 2-6 cm. long, 12 mm.-4 cm. wide, glabrous, rounded or pointed 

 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-flowered : 

 pedicels and hypanthium glabrous : sepals 2.5-4 mm. long, mostly entire : corolla 12-15 

 mm. wide : stamens about 20, the anthers light yellow : fruit globose or subglobose, 6-9 

 mm. thick, red or ruddy at maturity : nutlets mpstly 2, about 7 mm. long, the hypostyle 

 4-5 mm. long. 



In pine woods, mostly in clay soil, Montgomery, Alabama, 



