30 NEW YORK STATE MUSEUM 



A tree 5-7 m high, with a tall trunk 2-3 dm in diameter, covered 

 with ashy gray scaly bark, spreading and ascending branches form- 

 ing a wide open round-topped head, and slender nearly straight 

 branchlets light olive-green and glabrous when they first appear, 

 becoming light orange color and lustrous during their first season 

 and dark gray-brown the following year, and armed with many 

 slender nearly straight bright chestnut-brown shining ultimately 

 dark gray-brown spines 3-5 cm in length. 



Niagara Falls, J. Dunbar and C. S. Sargent (;^22, type), Septem- 

 ber 16, 1904, J. Dunbar, June 12, 1905; also ( ^ 22A and 22B), 

 J. Dunbar and C. S. Sargent, September 16, 1904, and J. Dunbar, 

 June 12, 1906. 



II PUNCTATAE 



Leaves usually thin, mostly acute or occasionally rounded at the 

 apex, their veins prominent ; stamens 20 ; fruit short-oblong or rarely 

 subglobose or obovate, often conspicuously punctate ; flesh usually 

 dry and mealy. 



Anthers rose color or yellow ; leaves obovate, often acutely lobed 

 above the middle, especially on vigorous shoots, more or less villose 

 below; fruit flattened at the ends, marked by large dots, dark red or 



bright yellow i C. punctata 



Anthers dark rose color ; leaves rhombic, glabrous at maturity 



Leaves subcoriaceous; flowers on stout villose pedicels; calyx thickly 

 coated with matted white hairs; fruit subglobose, crimson, very 



lustrous 2 C. celsa 



Leaves thin; flowers on slender glabrous pedicels; calyx glabrous; 

 fruit short-oblong or sometimes slightly obovate, orange-red 



slightly lustrous 3 C. notabilis 



Anthers pink; corymbs and leaves glabrous 



Leaves oblong-obovate, acuminate at the base; fruit obovate 



4 C. barbara 



Leaves ovate to oval or orbicular, abruptly narrowed at the base; 

 fruit short-oblong 5 C. dewingii 



Crataegus punctata Jacquin 



Hort. Vind. i. 10, t. 28 (1770). Sargent, Silva N. Am. IV. 103, t. 184; 

 Man. 389, f. 308; Acad. Sci. Phila. Proc. 583 (1905). 



Bufifalo, J. Dunbar (;^5), May 21 and September 25, 1903; 

 also from Canada to Illinois and to the mountains of western North 

 Carolina. 



