188 FLORA OF PHILADELPHIA. 



20. Crataegus callosa Sarg. Proc. A, N. S. Philada., lvii. 



Berks — Border of woods on high,, rocky ground N. Heidelberg Twp. 

 (Gruber). 



21. Ceataegus Cbsteica Sarg. Proc. A. N. S. Philada., lvii. 



Delaware — Preston Eun barrens, Newtown (B. Sm.). 



22. Crataegus auGusta Sarg. Proc. A. N. S. Philada., lvii. 



Berks— Borders of woods and open thickets near Kutztown (Gruber). 



23. Ceataegus insueta Sarg. Proc. A. N. S. Philada., lvii. 



Philadelphia— West Fairmouht Park near lake (Mae.). 



24. Crataegus dissona Sarg. Bhodora, v, 60 (1903). 



Bucks— Baice-bank, Benjamin near Sellersville (Ft.). 



25. Crataegus alacris Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Deep Bun, near Sellersville (Fr.). 



26. Crataegus deducta Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Near Sellersville (Pr.). 



27. Crataegus deltoides Ashe. Jour. Elisha Mitchell Sci. Soc, xix, pt. 2 



(1901). 

 Bucks — Near Eidge Eoad, near Brucker's, Eoek Hill, rare (Fr.). 



28. Crataegus Pretzii Sarg. Proc. A. N. S. Philada., lvii. 



Bucks — In low, rich soil, Durham (Fr.). 



29. Crataegus scabriuscula Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Durham (Fr.). 



30. Crataegus delicata Sarg. Proc. A. N. S. Philada., lvii. 



Bucks — Hillsides near Sellersville (Fr.). 



31. Crataegus Delawarensis Sarg. Bot. Gaz., xxxv, 102 (Feb., 1903). 



New Castle — Wood borders between Newport and New Castle, rare 

 (Canby). 



32. Crataegus tenella Ashe. Ann. Carnegie Mus., I, pt. 3, 388 (1902). 



Bucks — Near Sellersville (Fr.). Delaware — Hill below Castle Eock 

 Park, Valley of Darby Creek (B. Sm.). Berks— Banks of Sacohy Creek 

 near Kutztown (Gruber). 



New Castle— (Canby). , 



33. Crataegus rupipes Ashe. Jour. Elisha Mitchell Sci. Soc., 5 (1904) . 



Bucks— Near Sellersville (Fr.); Berks— Near Kutztown, North Hei- 

 delberg (Gruber). 



34. Crataegus lata Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Hillside near Sellersville (Fr.); 



35. Crataegus Collinsiana Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Meadow at hilltop near Sellersville (Fr.). 



36. Crataegus pumila Sarg. Proc. A. N. S. Philada., lvii. 



Bucks — Near Sellersville (Fr.). 



37. Crataegus eirma Sarg. Proc. A. N. S. Philada., lvii. 



Bucks— Meadow near Pleasant Spring Bridge, hilltop near Sellersville 

 (Fr.). 



38. Crataegus Gruberi Ashe. Ann. Carnegie Mus., I, pt. 3, 388. 



Berks— Fields, fence-rows and borders of woods, Kutztown, West Lock- 

 port (Gruber). 



