POMACEAE. 187 



3. Crataegus Canbyi Sarg. Bot. Gaz., xxxi, 3 (1901). 



Bucks— Foiut Pleasant, Tohikon Creek, Quakertown (Fr.). Delaware— 

 Tinicum (B. Sm.). 



4. Crataegus Arduennae Sarg. Bot. Gaz., xxxv, 378 (1908). 



JBert's— Near Kutztown (Gruber). 



5. Crataegus Bartramiana Sarg. Proc. A. N. S. Philada., Ivii. 



Philadelphia— Hedge row along Bartram's Lane (Mac). 



6. Crataegus Pennypackeri Sarg. Bot. Gaz., xxxv, 100, Feb., 1903. 



New Castle— Near Stanton Station, J. T. Pennypacker (Canby). 



7. Crataegus punctata Jacq. M. p. 520. 



New Castle— Banks of Brandywine below Smith's Bridge, White Clay 

 Creek below Stanton (Canby). 

 7a. Crataegus punctata canescens Britton. M. p. 520. Densely hoary- 

 tomentose on the under surface of the leaves, petioles and corymbs. 

 Bucks— Durham (Fr.). 



8. Crataegus pausiaca Ashe. Ann. Carnegie Mus., I, 390. 



Bucks — Durham ( Fr. ) . Delaware — Newtown, near Castle Hock ; 

 Lownes' Eun, Springfield; meadows near Chad's Ford (B. Sm.). 



9. Crataegus pruinosa K. Koch. M. p. 521. 



Philadelphia — FoweTs' Lane, Kingsessing (B. Sm.). Berks — Near 

 West Leesport, Forge Hill, N. Heidelberg Twp. (Gruber). 



10. Crataegus austera Sarg. Proc. A. N. S. Philada., Ivii. 



BmcAs— Near Sellersville, Hilltown, Deep Run, Perkasie (Fr.), College 

 Hill, Easton, Porter (B. Sm.). 



11. Crataegus bona Sarg. Proc. A. N. S. Philada., Ivii. 



_BerA-s— Bluffs along Tulpehocken Creek, N. Heidelberg Twp. (Gruber). 



12. Crataegus arcana Beadle. Biltmore Bot. Studies, I, 122 (1902). 



Slices— Near Sellersville (Fr.). DeZau'ore— Preston Eun barrens, New- 

 town; near Chad's Ford (B. Sm.). Berks— B\\it£s of Tulpehocken Creek 

 (Gruber). 



New Castle— Woods opposite Farnhurst (Canby). 



13. Crataegus Philadelphica Sarg. Proc. A. N. S. Philada., Ivii. 



Philadelphia— Island Eoad, Kingsessing (B. Sm.). 



14. Crataegus felix Sarg. Proc. A. N. S. Philada., Ivii. 



Berks— Dry, open, stony fields east of Eeading (Gruber). 



15. Crataegus virella Ashe. Ann. Carnegie Mus., I, pt. 3, 396 (1902). 



Berks — Common near Kutztown (Gruber). 



16. Crataegus Euthiana Sarg. Proc. A. N. S. Philada., Ivii. 



Bucks — Limestone bluffs, Durham (Fr.). 



17. Crataegus comata Sarg. Proc. A. N. S. Philada., Ivii. 



Philadelphia— Banks of the Schuylkill below Gray's Ferry (B. Sm.). 



18. Crataegus jejuna Sarg. Proc. A. N. S. Philada., Ivii. 



Bucks — Dry hillsides near Sellersville (Fr.). 



19. Crataegus Uplandia Sarg. Proc. A. N. S. Philada., Ivii. 



Delaware — Upper Darby near the State Road, Crum Creek, Newtown, 

 Castle Eock (B. Sm.). 



