ELISHA MITCHELL SCIENTIFIC SOCIETY 76 
thorns : twig of the season glabrous, slender, dark brown-pur- 
ple or gray, marked with few small pale indistinct lenticels : 
buds small, subglobular, brownish red. Leaves glabrous, at 
least when mature, firm, the larger ones becoming subcoria- 
ceous, dark green above, somewhat paler beneath, the blades 
4-6 cm. long, 2-4 cm. wide, oval and acute at the apex, or ob- 
ovate and even spathulate and obtuse or rounded at the apex, 
tapering at the base into a short 5--15 mm. long, glandular 
margined petiole, or the larger leaves on vigorous shoots 
nearly orbicular, and abruptly contracted at the base, sharply 
and irregularly serrate to near the base or the larger leaves 
doubly serrate, or with 2-3 pairs of shallow lobes, 4-6 pairs of 
prominent veins: petiole broadly margined, at least above, 
5-15 mm. long. The white flowers are borne in numerous, 6—14- 
flowered, compound, glabrous corymbs: divisions of the calyx 
lanceolate, acute, entire: styles 4-5. The abundant orange- 
red or dull red fruit is depressed giobose, 8-11 mm. thick, about 
8mm. high: fruiting pedicels strict, 1-2 cm. long: nutlets 
4-5, 5-6 mm. long, 3-4 mm. thick dorso-ventrally, slightly 
grooved on the back, the lateral faces nearly plane. 
Crataegus collicola is related to the cockspur thorn from 
which, and all varieties of it, it is at once separated by hav- 
ing much broader often pointed and lobed leaves and much 
longer petioles. I collected this tree in the mountains of 
North Carolina in September, 1897 in Henderson county and 
near Asheville where it is found in fields and pastures on dry 
hillsides. ‘The type material is preserved in my herbarium. 
Crataegus Illinotensis n. sp. A small tree with an oblong 
or irregular crown, or a tall shrub with virgate branches. 
Branches grayish-red or brownish, armed with 3-5cm. long 
red-brown thorns. Twigs glabrous bright red-brown, as are 
the spherical buds. Leaf-blades 5-8cm. long 4-8cm. wide, 
nearly obicular or slightly obovate and broadly wedge-shaped 
at the base, obtuse or rounded at the apex, very sharply and 
glandular doubly serrate, or somewhat 3-7-lobed above, 
4-6 pairs of prominent veins, minutely appressed pubescent 
above, pubescent beneath with rather harsh, short spreadir:» 
