﻿io8 BOTANICAL GAZETTE [February 



lobes, and by its habit. This common Delaware species may be fittingly 

 associated in its name with Edward Tatnall, the author of the Catalogue of 

 the Phae7iogamctts and Filicoid Plants of Newcastle Cotintyj Delaware. i 



LOBULATAE. 



Crataegus arctuata Ashe, Ann. Carnegie Mus. 1:387. May 



ig02, — I doubtfully refer to this species, on the strength of the 

 published characters, a common thorn of Newcastle county, 

 Delaware, and of Bucks county, Pennsylvania. . Crataegus arc- 

 tuata is a large shrub or small tree with broad ovate acute mem- 

 branaceous leaves divided into numerous short acute lateral 

 lobes, flowers in wide many-flowered villose corymbs with 5-7 

 stamens and red anthers, and short-oblong subglobose fruit 

 ripening toward the end of August and soon falling. 



r 



Hedges near' Wilmington, May and September 1899"; riear Newport, 

 May and August 1900; hedges near Wilmington, May 1900; fields south of 

 Eden Park, May and October 1900, W. M. Canby ; Pennsylvania, Sellers- 

 ville, Bucks county, May, September and October 1901, C D. Fretz, 



The name arctuata was used in 1886 by Gandoger in his Flora Europae 

 for one of his proposed species of his genus Oxyacantha {Crataegus Oxya- 

 cantha Linnaeus), but as Gandoger's names can hardly be taken up by bot- 

 anists it does not now seem worth while to make a new name for Mr. Ashe's 



species 



TENUIFOLIAE 



Crataegus tenella Ashe, Ann. Carnegie Mus. 1:388. May 

 1902. — Although I have been unable to see an authenticated 

 specimen of the Crataegus tenella of Ashe described from material 

 gathered in Delaware county, Pennsylvania, I refer provisionally, 

 at least, to that species the common thin-leaved shrubby thorn 

 of eastern Pennsylvania and Newcastle county, Delaware, with 

 5-7 stamens, pink anthers, and oblong or rarely pear-shaped 

 bright scarlet lustrous fruits, with soft pulpy flesh, ripening early 

 in September and often remaining on the branches until October. 



Du Pont woods near Wilmington, September 7, 1899; border of marsh 

 between Newport and Stanton, September g, 1899 ^ Newport, May 14, 1899 ; 

 banks of Brandywine creek below Smith Bridge, May 16, 1899, W. M. Canby; 

 Pennsylvania, Delaware county, woods below Castle Rock, May and Sep- 

 tember 1901; near Upper Darby, October 1901, May 1902; hill south of 

 Castle Rock, May 1902, B. H. Smith; Bucks county, near Sellersville, Sep- 

 tember 1899, May and September 1901:; near Telford, June 1899, CD. Fretz. 



