42 NEW YORK STATE MUSEUM 
minate at the apex, rounded or slightly cuneate at the base, or 
on vigorous young shoots larger, truncate or slightly concave 
cuneate, sometimes broader than long, sharply and unequally 
serrate, generally with 3-4 short, acute or sharp pointed lobes each 
side, glabrous, yellowish green, 1-2 inches long and nearly as 
broad at flowering time, larger, thicker and bluish green above 
when mature, pale below, petioles slender, 6-15 lines long, usually 
slightly margined and bearing a few scattered glands; inflores- 
cence glabrous, flowers 5-10 in a cluster, peduncles 6-10 lines 
long, stamens 20, anthers pale yellow or whitish; fruit globose 
or depressed globose, somewhat angular, often broader than long, 
pruinose, erect or drooping, red when ripe, crowned by the in- 
curved, spreading or reflexed, persistent calyx lobes, nutlets 4-5. 
Clavey hillsides. Albany and North Greenbush. Flowers from 
the middle to the end of May, fruit ripens from the first to the 
middle of October and falls gradually, but sometimes a few fruits 
hang on the branches all winter. The unfolding leaves are some- 
times tinged with brownish red. On young and vigorous shoots 
the basal pair of leaf lobes are sometimes larger and more widely 
spreading than the others. 
Crataegus dissona Sarg. 
Dissonant thorn 
Rhodora, 5: 60 
Shrub 6-10 feet tall with widely spreading or nearly erect 
branches; leaves ovate, broadly ovate or rhomboidal, 1-1.5 inches 
long and nearly as broad at flowering time, thin and yellowish 
green, acute or sharp pointed at the apex, rounded or broadly 
cuneate at the base, often tinged with brownish red as they unfold, 
sharply serrate, with 3-4 slight, acute or sharp pointed lobes each 
side, glabrous, larger, firmer and bluish green above when mature, 
paler below, those on vigorous young shoots larger and often 
truncate at the base, sometimes with the basal pair of lobes en- 
larged, petioles slender, 6-12 lines long, often slightly enlarged 
and glandular at the top; flowers on slender glabrous peduncles, 
5-8 in a cluster, stamens generally 10, sometimes 7-9, anthers pale 
purple or pink; fruit globose or depressed globose, pruinose, dark 
