35 



NEW NORTH AMERICAN CRATAEGI 



By W. W. ECGLEiiTON 



Crataegus Oakesiana sp. nov. 



Sometimes a small tree 5 meters high but more often a beauti- 

 ful round-topped shrub with the habit of C. rotnndifolia (Ehrh.) 

 Borckh. : the bark grayish-brown and scaly ; the young twigs 

 slightly pubescent at first, becoming smooth, chestnut-brown, and 

 frequently armed with bright chestnut-brown, stout, curved spines 

 from 2 to 4 cm. long : leaves ovate, 3-7 cm. long, 2-6 cm. wide, 

 doubly serrate for the upper two thirds, finely serrate towards 

 the base, acute or acuminate at apex, cuneate at base, often 

 abruptly so, green and shining above, paler beneath, slightly 

 pubescent on the upper surface when young, soon becoming 

 smooth ; petioles wing-margined above, remotely glandular-ser- 

 rate, 1-2 cm. long : flowers about 2 cm. wide in many-flowered, 

 slightly villous, compound corymbs ; calyx-tube villous, the lan- 

 ceolate, acuminate, glandular-serrate sepals smooth on the out- 

 side, slightly pubescent on the inside ; stamens about twenty ; 

 anthers light-yellow ; styles 3-5 : fruit ripening the first week in 

 September, pyriform to oblong, slightly angular, yellowish-red, 

 about 1 cm. thick, with deciduous sepals ; the flesh soft, mealy, 

 light-yellow, containing 3-5 nutlets, 6-j mm. long, strongly 

 ridged on back, the nest of nutlets 7-8 mm. thick. 



This species occurs frequently along the roadsides and in open 

 thickets by the Connecticut River in Essex County, Vermont, at 

 an altitude of about 300 meters. Specimens seen : no. 1 14.6, 

 Aug. 5, 1899; Jio. j^io, May 31, 1903; no. j 411, Sept. 15, 

 1903 ; and no. 114.6, Sept. 9, 1904 — all at ^Xoova^eXA, Eggkston. 

 No. 2205, May 26, 29, 1901 ; no. 18 sg, Oct. 3, 1901 — both at 

 Canaan, A. B. Frizzell. Type no. 114.6, Eggleston, in the Her- 

 barium of the New York Botanical Garden. 



Crataegus Oakesiana belongs to the group Rotundifoliae, dif- 

 fering from C. rotnndifolia in larger flowers, thinner differently 

 shaped leaves, and pear-shaped yellowish fruit, with more nutlets. 



Crataegus Baroussana sp. nov. 



A bush sometimes 5-6 m. high, with smooth, reddish-brown 

 twigs armed with slender, curved spines 2-3 cm, long : leaves 

 ovate-elliptical to obovate, coarsely and doubly serrate on the 



