ROSACEAE. 175 



Bucl's—Penn Valley, Dr. N. L. Brittoh (Fr.). Montgomenj—W\Uo\T 

 Grove (St.). Delaware — Tinicnm (Fr.)- Chester — CoatesviWe (St.). 

 Lancaster— (P.). Northampton— {F.) . 



15. RuBUS NIGRICANS Rydb. M. p. 498. Open grounds. 



BucJcs—TuWjtovfn, BicMell (Fr.). 



16. RuBUS HISPIDUS L. Running Swamp Blackberry. M. p. 498. Swamps 



or low grounds. Summer. 



RuBUS FRUTicosus L. Ballast and escaped from cultivation. 



Summer. 

 Co7nde7i— Kaighn's Point (Ja.). 

 New Castle— ISth and Washington streets, Wilmington. 



5. DALIBARDA L. 

 1. Dalibarda repens L. M. p. 499. Woods. Summer. 

 Lehigh— Blue Ridge, Heidelberg (Kr.). 

 Gloucester— SwedeshoTo (Li.) (Wa.) (He.). 



6. DRYMOCALLIS Fourr. 

 1. Dbymocallis arguta (Pursh.) Rydb. Cinquefoil, Five-finger. M. p. 

 499. Rocky hills. Summer. 

 Bucks— New Hope (Ws.). Delaxvar e—Jjima (S. Tr.), Lewis Mill, Crura 

 Creek (VP.). Lancaster— Safe Harbor (Ca.). Northampton— (F.). 



Burlington— Near 'Riverton (Ha.), Ca7nde«.—Winslow Junction (Mac.) 

 (Wn.). Hunterdon— hamhertviWe, Rosemont, Bull's Island (C). 



7. FRAGARIA L. Strawberry. 



Achenes imbedded in pits on the fruit. 1. F. Virginiana. 



Achenes borne on the surface of the fruit; leaflets subsessile. 



Stout; leaflets thickish; plant naturalized; fruit ovoid to hemispheric. 



2. F. vesca. 

 Slender; leaflets thin; native plant; fruit ovoid to conic. 



3. F. Americana. 



1. Fragaria Virginiana Duchesne. M. p. 500. Dry soil. Spring. 



2. Fragaria vesca L. M. p. 501. Fields and roadsides. Spring. 



3. Fragaria Americana (Porter) Britton. M. p. 501. Rocky woods. 



Early summer. 

 Bucks — Nockamixon ( He. ) . Lancaster — ( P. ) . 



8. DUCHESNEA J. E. Smith. 

 1. DuCHESNEA Indica (Andr.) Focke. Indian Strawberry. M. p. 501. 

 Waste places. Spring and summer. 

 Philadelphia— Bartram's Garden, Woodland's Cemetery (Gi.), Gray's 

 Ferry (Le.), Walnut Hill, Wissahickon (VP.). Bucfcs — Narrowsville, 

 Durham (Fr.). Delaware— Barhj, Dr. Geo. Smith (B. C), Darby Creek 

 (VP.). Lancaster— (F.). Northampton— 'Easton, Porter (B. C). 



Burlington — Moorestown (Sts.). Caw de«—Haddonfield (Wa.). Mer- 

 cer—Trenton (C). 



New Castle — Brandywine Park. 



