OF DENISON UNIVERSITY. 35 



23, 1889; July s, 1890; June 19, 1891; September 4, 1891. Very 

 variable. 



220. R. canina'L. Dog Rose. 



There are a few bushes, growing near the T. &. O. C. R. R. 

 bridge one mile east of Granville, which correspond very closely to 

 this species. June 17, rSgo. 



221. R. rubiginosa L. Sweetbriar. Eglantine. 



Roadsides, somewhat rare. There are several bushes on the 

 Granville and Newark road. June 13, 1888; June 10, 1890; June 

 12, 1891. 



108. Pyrus L. 



222. P. coronaria L. American Crab-apple. 

 Woods, rather common. May 10, 1890; May 9, 1891. 



223. P. malus L. Common Apple. 



This is frequently found in waste places and along roadsides. 

 May 5, 1884; November 6, 1889. 



224. P. angustifolia Ait. 



Very rare; Madison township. May 9, 1891. 



225. P. arbutifolia L. f. Choke-berry. 



Peat bogs, very rare; Cranberry Marsh, Old Reservoir. May 

 10, 1891. 



226. P. arbutifolia L. f Var. melanocarpa Hook. 



Wet places, especially along brooks, very rare; Rain Rock, Eden 

 Township. May 23, 1891. 



109. Crataegus L. 



227. C. coccinea L. 



Woods, rather common, very variable. May 19, 1884; May 28, 

 1888; May 7, 1889; April 30, 1891. 



228. C, coccinea L. Var. macracantha Dudley. 



There are several trees growing on the banks of the Reservoir 

 which are to be referred to this variety. 



229. C. coccinea L. Var. molHs Torr. and Gray. 



There are a few trees at Laurel Ridge, Newark, which agree very 

 closely with this variety. 



230. C. punctata Jacq. 



Woods, very common. There is a tree growing on the farm of 

 Mr. W. A. Castle, two miles west of Alexandria, which has leaves, 



