370 



TREES OF NORTH AMERICA 



green and very lustrous above, pale and dull below, 2'-2^' long, I'-l^' wide, with 

 thick pale midribs and 4 or 5 pairs of remote primary veins conspicuous on the lower 

 surface; their petioles more or less winged above, glandular, with scattered dark red 

 persistent glands, red below the middle, ^'-f' long; on vigorous leading shoots often 

 deeply and irregularly divided into broad acute lobes, and frequently 3'^' long and 

 2' wide. Flowers |' in diameter, on long slender pedicels, in broad loose many- 

 flowered long-branched corjanbs; calyx-tube narrowly obconic, the lobes entire or 

 serrate, with minute scattered glandular teeth; stamens usually 10, occasionally 12 

 or 13; anthers, small, rose color; styles 3-5. Fruit ripening in October but per- 

 sistent until after the beginning of winter, on elongated slender stems, in loose 

 many-fruited drooping clusters, short-oblong to subglobose, full and rounded at 

 the ends, with a distinct depression at the insertion of the stalk, lustrous, dark 

 erimson, marked by occasional large pale dots, ^-f' long; calyx-lobes reflexed, 

 closely appressed, often deciduous before the fruit ripens; flesh thick, bright red, very 

 juicy; nutlets 3-5, prominently ridged, with broad rounded ridges, bright chestnut- 

 brown, about ^' long. 



A bushy tree, sometimes 20 high, with a trunk 12'-18' in diameter, large ascend- 

 ing wide-spreading branches forming a broad open irregular head occasionally 

 30-35 in diameter, and branchlets armed with thick usually straight chestnut- 

 brown spines f -1^' long. 



Distribution. Hedges and thickets, Wilmington, Delaware, to the shorei ef 

 Chesapeake Bay, Maryland, and to eastern Pennsylvania. 



3. Crataegus Peoriensis, Sarg. 



Leaves obovate, short-pointed or occasionally rounded at the broad apex, gradu- 

 ally narrowed, cuneate and entire below, sharply and often doubly serrate usually 



f'/q.ZSS 



only above the middle, sometimes irregularly lobed, with short broad terminal lobes, 

 when they unfold villose above, especially toward the base of the midribs, and 

 bright bronze color, becoming at maturity thick and firm, glabrous, dark green and 

 very lustrous above, pale below, l^'-2' long, |' wide, with 4 or 5 pairs of thin pri- 

 mary veins conspicuous on the under side and extending obliquely from the slender 

 midribs to the ends of the lobes; their petioles usually about ^' long, more or less 



