Crataegus ROSACEAE Potentilla 



Station (NC), Canhy, in 1893 to 1903 (D, A); 5 mi. n. of Pocomoke 



City (Wo), along highway 113, R. R. Tatnall, 1822, 29 May 1933 (T) 



A southern species, naturalized northward to Pa. and N. J. 



C. Oxyacantha L. English Hawthorn. 



Cultivated, and sparingly escaped near Wilmington. Introd. 

 from Europe. 



C. monogyna Jacq. May Thorn. 



Occasionally escaping from cultivation: hedgerows 2 mi. n. of 

 Wilmington, Commons, 29 May 1875 (A); near Wilmington, Canhy, 

 Sept. 1900 (A)- Introd. from Europe. 



Closely related to C. Oxyacantha, and often mistaken for it. 



C. unifiora Muench. (C. parvifoUa Ait. C. tomentosa of Gray's 



Man., ed. 7.) Dwarf Thorn. 

 Common in sandy soil of the Coastal Plain. 



Fragaria L. Strawberry. 

 F. virginiana Duchesne. Common Wild Strawberry. 



Common; moist woods, fields and roadsides. Late April, May. 



F. vesca L. European Wood Strawberry. 



Infrequent, in open ground, usually as an escape from cultiva- 

 tion. April, May. 



F. grandiflora Ehrh. (F. chiloensis Duchesne var. ananassa Bailey.) 

 One collection: sandy roadside along Elk River, Town Point 

 (Ce), M. J. Popowski, 145, 30 May 1940 (A). 



Duchesnea Sm. 



D. indica (Andr.) Focke. Mock-strawberry. 



Frequent; roadsides and waste ground. Piedmont and Coastal 

 Plain. May, June. 



Potentilla L. Cinquefoil, 



P. norvegica L. var. hirsuta (Mx.) Lehman. (P. monspeliensis L.) 

 Frequent in waste places and on roadsides. Piedmont and 

 Coastal Plain. July. 



P. argentea L. Silvery Cinquefoil. 



One collection: Sharptown (Wi), Otis, 19 May 1915 (D). 



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