MALACEAE 565 



or entire : corolla 14-17 m;n. wide : stamina norm illy 10, the anthers purple : fruit short- 

 oblong or obovate, 9-15 mm. thick, red at maturity, the flesh soft : nutlets 3-5, 6-7 mm. 

 long, the hypostyle 5-6 mm. long. 



Mountains of North Carolina, Tennessee, Georgia and Alabama. 



162. Crataegus nubicola Beadle. A shrub 1-3 m. tall, with ashy gray scaly bark. 

 Leaf-blades ovate, 2-5 cm. long, "2-5 cm. wide, glabrous, acute at the apex, rounded or 

 truncate at the base, the borders sharjily serrate and with 3-5 pairs of short acute lobes ; 

 petioles 1-2.5 cm. long, glabrous: corymbs subsiniple or compound, 5-10-fl()wered, gla- 

 brous : pedicels and hypanthium glabrous : sepals 4—5 mm. long, entire or slightly serrate : 

 stamens 20 : fruit subglobose, 7-9 mm. thick, red at maturity : nutlets 3-5, 6-7 mm. long, 

 the hypostyle 5-6 mm. long. 



On the high mountains of western North Carolina, at elevations above 1750 m. 



163. Crataegus Roan^nsis Ashe. A shrub or small tree 2-6 m. tall, with ashy gray 

 scaly bark. Leaf-blades ovate, 2.5-6 cm. long, 2-6 cm. wide, glaljrous, acute at the apex, 

 rounded, truncate or cordate at the base, the margins serrate and with 3-5 pairs of short 

 acute lobes ; petioles 1-3 cm. long, glabrous : corymbs subsimple or compound, glabrous : 

 pedicels and hypanthium glabrous : sepals 3.5-5 mm. long, entire or slightly serrate : 

 corolla 14-16 mm. wide : stamens normally 10, the anthers purple : fruit oblong, 7-9 mm. 

 wide, 9-11 mm. long, at maturity red, pruinose, the flesh soft : nutlets 2-5, 6-8 mm. long, 

 the hypostyle 5-6 mm. long. 



On the high mountains of western North Carolina and eastern Tennessee, mostly above 1400 m 

 elevation. 



164. Crataegus berberifolia T. & G. A tree, sometimes attaining a height of 8 m., 

 with dark gray scaly bark. Leaf-blades oblong-cuneiform or spatulate, 2-6 cm. long, 1-2.5 

 cm. wide, or on leading shoots obovate-cuneate and frequently 3.5 cm. wide, at maturity 

 dark green or scabrous or eventually smooth above, pale or even whitened and pubescent 

 beneath, especially along the midrib and principal veins, rounded or obtuse at the apex, 

 gradually or sometimes abruptly contracted at the base, the borders serrate above the mid- 

 dle ; petioles 2-12 mm. long, pubescent, at least when young : corymbs compound or sub- 

 simple, ample, densely hirsute: pedicels and hypanthium hirsute-pubescent : sepals 3.5-5 

 mm. long, serrate or entire : corolla 10-15 mm. wide : stamens 16-20, the anthers yellow : 

 fruit subglobose, 10-13 mm. thick, at maturity yellow or orange with flushed cheeks : nut- 

 lets mostly 2-3, about 7 mm. long,, the hypostyle about 5 mm. long. 



In woods and open grounds, southern Louisiana. 



165. Crataegus ^dita Sarg. A tree sometimes 12 m. tall, with a trunk 4 dm. in 

 diameter covered witli dark scaly bark. Leaf-blades oblong-obovate or oval, 3-5 cm. long, 

 1.5-2.5 cm. wide, or on leading shoots longer and broader, at maturity glabrous or glabrate 

 on the upper surface, usually with some persistent pubescence beneath, especially along the 

 midrib, acute at the apex, gradually narrowed or slightly contracted at the base, the bor- 

 ders serrate above the middle ; petioles 5-15 mm. long, margined : corymbs few-flowered, 

 compound, slightly villose : pedicels and hypanthium villose : sepals 3-4 mm. long, entire 

 or obscurely serrate : corolla 12-16 mm. wide : stamens 20, the anthers rose colored : fruit 

 short oblong, about 1 cm. thick, at maturity dull green tinged with red, the flesh tiiin and 

 firm : nutlets 2-3, 6-7 mm. long, the hypostyle 4-5 m. long. 



In low grounds and on hills, Louisiana and Texas. 



166. Crataegus f6ra Beadle. A tree 5-7 m. tall, with a trunk sometimes 2 dm. in 

 diameter, covered witli dark gray or brownish scaly bark. Leaf-blades oblong or obovate- 

 cuneiform, 2.5-5 cm. long, 1.5-3 cm. wide, at maturity dark green, lustrous and slightly 

 scabrous on the upper surface, pale or whitened beneath and with some persistent pubes- 

 cence, especially along the midrib, rounded or obtuse or rarely nearly truncate at the apex, 

 gradually narrowed or sometimes contracted at the base, tlie borders serrate above the 

 middle ; petioles 5-15 mm. long, margined : corymbs pilose-pubescent, compound, amjile : 

 pedicels and hypanthium pilose-pubescent, or the latter pubescent only at the base : sepals 

 3-4.5 mm. long, entire or serrate : corolla 12-15 mm. wide : stamens 16-20, the anthers 

 yellow or cream-color : fruit globose or subglobose, about 1 cm. wide, at maturity bright 

 red or scarlet : nutlets mostly 2-3, about 6 mm. long, the hypostyle about 4 mm. long. 



In low woods, southern Louisiana. 



167. Crataegus Mohri Beadle. A tree, sometimes 10 m. tall, but oftener a large 

 shrub or very small tree clothed with dark gray or brownish scaly bark. Leaf-blades 

 obovate-cuneiform, oval or elliptic, or on leading shoots broadly oval or suborbicular, 2-5 

 cm. long, 1.5-4 cm. wide, glabrous in age, or with traces of pubescence in the axils of tlie 

 veins beneath, acute or rounded at the apex, contracted or gradually narrowed at the base, 

 the margins serrate to near the base ; petioles 7 mm. -2 cm. long, margined : corymbs more 



