lOO NEW YORK STATE MUSEUM 



narrowly obconic, the lobes slender, acuminate, minutely dentate 

 or entire, glabrous on the outer, furnished on the inner surface with 

 occasional hairs, reflexed after anthesis; stamens 5-9; anthers dark 

 rose color; styles 3-5, surrounded at the base by a narrow ring of 

 pale tomentum. Fruit ripening and falling late in September, on 

 slender drooping pedicels, in few-fruited clusters, short-oblong to 

 oval, slightly narrowed at ^he ends, often unsymmetrical and some- 

 what mammillate at the base, crimson, lustrous, 9-10 mm long and 

 8-9 mm in diameter; calyx little enlarged, with a wide shallow 

 cavity, and spreading and appressed lobes, red and sparingly villosc 

 on the upper side ; flesh thin, yellow, slightly tinged with red ; nutlets 

 usually 3 or 4, narrowed and rounded at the ends, ridged on the 

 back, with a broad high doubly grooved ridge, 5-6 mm long, and 

 4-4.5 ^^ wide. 



A shrub 3-4 m high, with ascending and spreading flexuose stems 

 forming a wide open head and covered below with ashy gray bark, 

 small spreading branches, and slender zigzag branchlets dark orange- 

 green and marked by pale lenticels when they first appear, becom- 

 ing bright chestnut-brown and lustrous in their first season and dull 

 red-brown the following year, and armed with numerous stout 

 straight or slightly curved chestnut-brown shining spines 3.5-4.5 cm 

 long. 



Rich hillsides. Coopers Plains, G. D. Cornell (^62, type), May 

 26 and September 21, 1906, May and September 1907. 



Crataegus nescia n. sp. 



Glabrous with the exception of the hairs on the young leaves and 

 petioles. Leaves ovate, acuminate, cuneate or on vigorous shoots 

 truncate or rounded at the entire base, sharply often doubly serrate 

 above, with straight glandular teeth, and slightly divided into 4 or 5 

 pairs of narrow acuminate spreading lateral lobes ; more than half 

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

 thin, light yellow-green and roughened above by short white hairs 

 and paler and glabrous below, and at maturity thin, yellow-green, 

 smooth and glabrous on the upper surface, light bluish green on the 

 lower surface, 4-6 cm long and 3.5-5 cm wide, with thin midribs 

 and primary veins ; petioles slender, slightly wirrg-margined at the 

 apex, sparingly hairy on the upper side while young, soon becoming 

 glabrous, 1.5-2.5 cm in length. Flowers 1.5-1.8 cm in diameter, 

 on long slender pedicels, in small compact mostly 5-12-flowered 

 corymbs, the lower peduncles from the axils of upper leaves ; calyx- 



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