42 NEW YORK STATE MUSEUM 



minate at the apex, rounded or sliglith' ciineate at the base, or 

 on vigorous voung 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 0-10 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. 



Clayey hillsides. Albany and North Greenbush. Flow^ers 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 Wiomboidal, 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, flrmer 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 pedunclevs, . 

 5-8 in a cluster, stamens generally 10, sometimes 7-9, anthers pale 

 purple or pink ; fruit globose or depressed globose, pruinose, dark 



