﻿1903] - CRATAEGUS IN NORTHEASTERN ILLINOIS 395 



I 



long, 4-5^"^ wide. Flowers 1.5-1,6*^"^ in diameter on long slender 

 slightly hairy pedicels, in 7-10-flowered compact thin-branched 

 compound corymbs ; bracts and bractlets linear to oblong- 

 obovate, acute or rounded at the apex, glandular, with large dark- 

 red glands, reddish, large and conspicuous, mostly persistent 

 until after the flowers open ; calj^x tube broadly obconic, the 

 lobes gradually narrowed from the base, wide, elongated, acumi- 

 nate, glandular-serrate, with stipitate light red glands, glabrous 

 on the outer, densely villose on the inner face, reflexed after 

 anthesis; stamens 10; anthers pale yellow; styles 2-4, usually 

 3, surrounded at the base by a broad ring of pale tomentum. 

 Fruit on slender glabrous or slightly hairy pedicels, in drooping 

 few-fruited clusters, short-oblong, full and rounded at the ends, 

 dark crimson, marked by many large pale dots, 1.6-1.8'''" long, 

 about 1.5^"' wide; calyx sessile, with a broad shallow cavity and 

 spreading serrate lobes villose on the upper side ; flesh thick, 

 yellow, dry and mealy; nutlets 2-4 broad, full and rounded at 

 the ends, prominently ridged on the back, with a very high wide 

 deeply grooved ridge, 7^^"" long. 



A shrub 2 to 3™ tall, with numerous stems spreading into small thickets, or 

 rarely a small bushy tree 5"^ in height, with a broad spreading top; branchlets 

 slender, zigzag, dark orange-green and marked by oblong pale lenticels when 

 they first appear, light red-brown and lustrous during their first season, 

 becoming light or dark gray-brown the following year, and armed with 

 numerous stout straight or slightly curved bright chestnut brown shining 

 spines 2.5-5^"^ in length. Flowers about the' middle of May. Fruit ripens 

 the first of October. 



Shores of Lake Zurich, May. September and October 1901 ; dry woods 

 near Honey Lake, Lake county, October 1901, E. J. HilL 



This addition to the Coccinea group differs from Crataegus coccinea 

 rotundifolia Sargent, of the St. Lawrence valley and the northeastern states 

 in its thinner and usually smaller leaves villose while young on the upper sur- 

 face by the villose covering on the upper side of the calyx-lobes, and by its 

 usually smaller fruits. 



TOMENTOSAE. 



Stamens 20, 



Anthers rose color or pink, 



Crataegus tomentosa Linnaeus. 



Common. 



