38 NEW YORK STATE MUSEUM 



prominent, with a short tuhe, a hroad shallow cavity, and wide- 

 spreading and slightly incurved lohes, dark red on the upper side 

 toward the base; flesh thin, dry, greenish yellow; nutlets 3-5, full 

 and rounded at the base, narrowed and rounded at the apex, ridged 

 on the back, with a high rounded ridge, dark colored, 8-9 mm long, 

 and about 5 mm wide. 



A shrub 2-3 m high, with numerous ascending stems spreading 

 into broad thickets, and covered below with ashy gray bark, and 

 stout slightly zigzag glabrous branchlets green tinged with red when 

 they first appear, soon becoming bright chestnut-brown and lustrous 

 and marked by large pale lenticels, and armed with many stout 

 nearly straight chestnut-brown shining spines 4-6 cm long and 

 usually ])ointmg toward the base of the branch. 



Niagara Falls, J. Dunbar and C. S. Sargent (#26, type), Sep- 

 tember 16, 1904, T- Dunbar, May 28, 1905. 



Crataegus amoena n. sp. 



Leaves ovate, acute or acuminate, concave-cuneate or rounded at 

 the entire base, finely doubly serrate above, with straight or incurved 

 glandular teeth, and divided above the middle into 2 or 3 pairs of 

 broad acute lobes; slightly tinged with red when they unfold, about 

 half grown when the flowers open at the end of May and then thin, 

 smooth and light yellow-green above and pale below, and at maturity 

 thin but firm in texture, dark bluish green on the upper surface, pale 

 on the lower surface, 4-6 cm long, 3.5-5 cm wide, with slender mid- 

 ribs often tinged with rose in the autumn, and 3 or 4 pairs of ob- 

 scure primary veins ; petioles slender, slightly wing-margined at the 

 apex, deeply grooved, sparingly glandular while young, 1.5-2.5 cm 

 in length ; stipules linear, glandular, fading brown, caducous ; leaves 

 on vigorous shoots rounded or cuneate at the broad base, 6-7 cm 

 long and 5-6 cm wide. Flowers 1.2-1.4 cm in diameter, on short 

 slender pedicles, in compact most 4-6 flowered corymbs ; calyx- 

 tube broadly obconic, the lobes gradually narrowed from wide bases, 

 short, acuminate, generally entire; stamens 20; anthers creamy white 

 suffused with pink ; styles 3-5. Fruit ripening from the middle 

 to the end of October, on stout erect pedicels, in few- fruited 

 clusters, subglobose to short-oblong, dark red, pruinose, 1-1.2 cm 

 in diameter ; calyx prominent, with a broad deep cavity, and spread- 

 ing lobes dark red on the upper side toward the base ; flesh thin, 

 hard, greenish yellow ; nutlets 3-5, gradually narrowed and rounded 

 at the ends, ridged on the back, with a high narrow rounded ridge, 

 dark colored, about 7 mm long, and 5 mm wide. 



