634 PROCEEDINGS OF THE ACADEMY OF [Sept., 



little enlarged, with a wide deep cavity and spreading closely appressed 

 lobes mostly deciduous from the ripe fruit; flesh thin, greenish-yellow, 

 dry and mealy; nutlets 5, gradually narrowed and acute at the ends, 

 slightly grooved on the back, about 7 mm. long and 4 mm. wide. 



A bushy tree about 5 m. high, with a short stem covered with fur- 

 rowed dark brown scaly bark, stout ashy-gray branches wide-spreading 

 on the ground and forming a round-topped head wider than high, and 

 slender slightly zigzag branchlets orange color and deeply covered with 

 matted pale hairs when they first appear and light red-brown and lus- 

 trous during their first winter, and armed with very slender, straight 

 purplish spines, 2.5-4 cm. long. 



A single tree near the tree of Crakegus insueta Sarg., on the lawn 

 near the lake in West Fairmount Park, Philadelphia, of unknown 

 origin, but probably planted, certainly North American and possibly 

 indigenous. W . Findlay (No. 1,503A, Herb. Philadelphia Museums), 

 October, 1899; A. MacElwee (No. 2,168A, Herb. Philadelphia Mu- 

 seums); Canhy and »Sflr^fw/, September, 1902; S77iith and Sargent , Sep- 

 tember, 1904. 



This handsome and very distinct species is named in memory of John 

 Evans (1790-1862), a native of Radnor, Delaware county, where he 

 established a garden long famous for its collections of rare trees and 

 other plants (see Smith, History of Delaware County, Pennsylvania, 

 459; Harshberger, Garden and Forest, X, 182 ; also Meehan, Garden and 

 Forest, X, 198, and Harshberger, The Botanists of Philadelphia and 

 Their Work, 172). 



VIII.— INTRICATE. 

 Anthers pale yellow. 

 Stamens 10 or less. 



Fruit subglobose to short-oblong. 



Corymbs and pedicels villose; leaves scabrate. 



Leaves ovate-oblong; fruit yellow with a red cheek, hairy at 



the ends, \. C. niodesta. 



Leaves ovate to rhombic or oval; fruit greenish-orange, not 



hairy, 2. C. abjecta. 



Corymbs and pedicels glabrous; leaves ovate to oval. 



Leaves scabrate; fruit dark crimson blotched with green, 



3. C. bartoniana. 

 Leaves smooth. 



Fruit orange to reddish-orange, . . . 4. C. neo-canbyi. 

 Fruit green, becoming dark clear red when fully ripe, 



5. C. nemoralis. 

 Leaves oblong-ovate. 



Fruit dark orange or reddish-orange; leaves yellow-green, 



6. C. saxatilis. 



