Crataegus ROSACEAE Crataegus 



A tree, up to 30 or 40 feet high, ranging from Florida and Texas 

 northward as far as our area. 



C. pruinosa (Wendl.) K. Koch. (Incl. C. delawarensis Sarg., C. 

 arcana Beadle, and C. nemoralis Sarg.) 



One of the commonest Thorns of New Castle County, in both 

 Piedmont and Coastal Plain areas. 



C. pedicellata Sarg. (C arcuata Ashe.) 



"Frequent in woods and hedgerows," New Castle County, 

 (Canby); collected near Wilmington, n. w. of New Castle, and e. of 

 Newport. 



C. macrosperma Ashe. (C tenella Ashe.) 



Common in New Castle County, in "meadows, banks and fields," 

 (Canby); Rising Sun (Ce), J. J. Carter, 13 June 1905 (A), as C. 

 cordata. » 



C. stolonifera Sarg. (C. populnea Ashe.) 



"Frequent; rocky hills, wood borders and waste ground" in and 

 about Wilmington (Canby). 



C. Tatnalliana Sarg. 



Rather frequent: "old hedges and waste places near Wilming- 

 ton"; also near Newport, Farnhurst and New Castle (Canby). 



Named in honor of Edward Tatnall. Regarded by some as a 

 synonym of C. pennsylvanica Ashe, but this seems unlikely. 



C. intricata Lange. (C. apposita Sarg. C. straminea Beadle.) 



Numerous collections were made by Canby, from 1896 to 1900, 

 in or near the valley of the Brandywine Creek, as C. apposita, 

 (D, A) ; other collections are: Richardson's Mill, s. w. of Wilmington, 

 Commons, 25 Aug. 1893, as C. coccinea var. flabellata (?); Easton 

 Point (Ta), Earle, 3705, 2 Aug. 1942 (A), as C. straminea. 



C. foetida Ashe. (C. cuprea Sarg.) 



Rare: open lots in Wilmington, Canby, 1899 to 1902 (D, A) ; 1^/^ 

 mi. s. w. of Ogletown, on the road to Wilson, R. R. Tatnall, 3299, 

 15 May 1937 (T). 



C. phaenopyrum (L. f.) Medic. (C. cordata Ait. C. populifolia 

 Walt.) Washington Thorn. 

 Hedgerows and fields about Wilmington and near Carpenter 



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