I06 NEW YORK STATE MUSEUM 



A shrub about i m high, with small intricately branched erect 

 stems, and slender nearly straight branxrhlets deeply tinged with red 

 when they first appear, becoming bright chestnut-brown, lustrous, 

 and marked by small pale lenticels in their first season and dull 

 red brown the following year, and armed with very numerous 

 slender nearly straight chestnut-brown shining spines 5.5-6 cm long. 



Moist hillsides, Coopers Plains, C. H. Peck {)^6y, type), June 2 

 and September 21, 1906. 



I am glad to associate with this distinct and pretty species the 

 name of the industrious and careful student of the thorns which 

 cover the hiils surrounding his home. 



, Crataegus modesta Sargent 



Rhodora III. 28 (1901); Acad. Sci. Phila. Proc. 635 (1905). 



Moist hillsides, Coopers Plains, G. D. Cornell (^39), September 

 21, 1905, June 2, 1906; also western Vermont and eastern New 

 York to eastern Pennsylvania. 



ANOMAIiAE. 



Stamens 10 or less ; anthers ro'se color 



Crataegus singularis n. sp. 



Leaves ovate to oval, long-pointed and acuminate at the apex, 

 gradually or abruptly narrowed to the concave-cuneate or rounded 

 entire base, coarsely often doubly serrate above with straight glan- 

 dular teeth, and slightly divided usually only above the middle into 

 5 or 6 pairs of small acuminate spreading lobes ; nearly half grown 

 when the flowers open about the 20th of May and then very thin, 

 convex, dark yellow-green and strigose above and pale yellow-green 

 and slightly villose along the primary veins below, and at maturity 

 thin, glabrous, dark yellow-green and scabrate on the upper sur- 

 face, light yellow-green and glabrous on the lower surface, 6-7 

 cm long and 4-4.5 cm wide, with slender yellow midribs and 

 primary veins; turning yellow in the autumn before falling; petioles 

 slender, slightly wing- margined at the apex, sparingly hairy on 

 the upper side while young, soon becoming glabrous, glandular, 

 "with minute dark glands, often rose color in the autumn, 2-3 cm 

 in length ; leaves on vigorous shoots long-pointed, narrowed and 

 rounded at the base, more coarsely serrate, deeply lobed, with 

 slender acuminate lobes, often 6-7 cm long and 5.5-6 cm wide. 

 Flowers 1.5-1.9 cm in diameter, on long slender slightly villose 



