112 NEW YORK STATE MUSEUM 



Hillside, Coopers Plains, G. D. Cornell (;^66, type), June 4 and 

 September 21, 1906. 



Anthers pale yellow ; stamens 20 



Crataegus structilis Ashe 



Jour. Elisha Mitchell Sci. Soc. XIX. 12 (1903). Sargent, Acad. Sci. 

 Phila. Proc. 656 (1905). 



Hillsides, near Coopers Plains, G. D. Cornell (;^5o), September 

 30, 1905, June 18, 1906, (;^52), June 13 and September 21, 1906, 

 (^ 69), June 18 and September 21, 1906, ( )^ 71), with stamens 

 sometimes reduced to 15), June and September 1906; also Illinois 

 and southern Michigan, and through southern Ontario to the valley 

 of the Genesee river. New York and eastern Pennsylvania. 



Crataegus comans n. sp. 



Leaves ovate to rhombic, acute at the apex, concave-cuneate at 

 the entire base, and coarsely doubly serrate above, with straight 

 glandular teeth ; tinged with red when they unfold, about half grown 

 when the flowers open from the loth to the middle of June and 

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

 most abundant on the midribs and veins, paler and villose below 

 especially on the midribs and veins, and at maturity thin but firm 

 in texture, dull yellow-green, smooth and lustrous on the upper 

 surface, pale yellow-green and still villose below, 4.5-6 cm long 

 and 3.5-5 cm wide, with stout midribs, often rose color in the 

 autumn, and thin prominent primary veins ; petioles stout, wing- 

 margined nearly to the base, villose, 4-5 mm in length. Flowers 

 1. 2-1. 5 cm in diameter, on short stout densely villose pedicels, in 

 very compact hairy mostly io-15-flowered corymbs, the lower 

 peduncles from the axils of upper leaves ; calyx-tube narrowly ob- 

 conic, slightly hairy, the lobes short, slender, minutely glandular 

 serrate, nearly glabrous on the outer, slightly hairy on the inner 

 surface, reflexed after anthesis ; petals sometimes tinged with pink ; 

 stamens 20; anthers pale yellow; styles 2 or 3. Fruit ripening 

 late in September, on long slender hairy erect pedicels, in wide 

 many- fruited clusters, short-oblong to subglolDOse, orange-red, lus- 

 trous, covered with short pale hairs most abundant at the base, 7-8 

 mm in diameter; calyx little enlarged, with a short tube, a wide 

 deep cavity and small spreading and appressed persistent lobes vil- 

 lose on the upper surface; flesh thin, yellow, becoming soft and 



