188 FLORA OF PEILADELFHIA. 



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



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

 (Gruber). 



21. Crataegus Cestrica Sarg. Proc. A. N. S, Philada., Mi. 



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



22. Crataegus augusta Sarg. Proc. A. N. S. Philada., Ivii. 



J5 erfcs— Borders of woods and open thickets near Kutztown (Gruber). 



23. Crataegus insueta Sarg. Proc. A. N. S. Philada., Ivii. 



Philadelphia— West Fairniount Park near lake (Mac). 



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



^Mcfcs— Race-bank, Benjamin near Sellersville (Fr.). 



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



Bucks — Deep Run, near SeUersville (Fr,). 



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



Bucks— Near Sellersville (Fr.). 



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



(1901). 

 Bucks— 'Near Ridge Road, near Brucker's, Rock Hill, rare (Fr.). 



28. Crataegus Fretzii Sarg. Proc. A. N. S. Philada., Ivii. 



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



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



^Mcfes— Durham (Fr.). 



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



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 — 'Rill below Castle Rock 

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

 near Kutztown (Gruber). 



New Castle— (Canhy). 



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



Bwcfcs— Near Sellersville (Fr.). Berks— 'Near Kutztown, North Hei- 

 delberg (Gruber). 



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



Bucks— 'Hillside near Sellersville (Fr.). 



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



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



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



Bucks— Near Sellersville (Fr.). 



37. Crataegus firma Sarg. Proc. A. N. S. Philada., Ivii. 



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). 



