ARUNCUS Adans. 

 nZ A. SYLVESTER Kostclctzsky. Along Fleetville road from Waverly. 



SORBARIA A. Br. 



774 S. soRBiFOLiA A. Br. Green Ridge near D. and H. Depot, Waverly. 



GILLENIA Moench. (Indian Physic) 



775 G. TRiFOLiATA Moench. Campbell's Ledge, Penobscot Knob. 



PYRUS L. 



776 P. COMMUNIS L. (Wild Pear.) Near Griffin Reservoir. Several trees 



east of Waverly on the Carbondale road. 

 m P. coRONARiA L. (American Crab.) Moosic, Newton Tovimship. 



778 P. LANciFOLiA Rehdr. The common crab apple of this section* 



NOTE— Dr. C. S. Sargent in a letter to the author under date of Nov. 22, 

 1915, says, "The Scranton crab apple which was formerly called Malus angusti- 

 folia is the type of Malus lancifolia Rehder. It is this tree which has always 

 been mistaken for the true Malus angustifolia which is a southern species." 



779 P. MALUS L. (Apple.) Frequent. Spontaneous. 



780 P. ARBUTiFOLiA L. (Chokebcrry.) This species with red fruit is com- 



mon. 



781 P. MELANOCARPA Willd. This black-fruited chokeberry is common. 



782 P. AMERICANA DC. (American Mountain Ash.) Bald Mount, New- 



ton Lake. Rather abundant on the Pocono but rare elsewhere. 



AMELANCHIER Medic. (June Berry) 



783 A. CANADENSIS Medic. (Shad Bush, Service Berry.) Common. 



784 A. SPICATA C. Koch. Hawley, Dr. Lloyd Ross. 



785 A. oLiGOCARPA Roem. Naomi Pines, Dr. Porter. Rare. 



CRATAEGUS L. (Hawthorn) 



786 C. OXYCANTHA L. (English Hawthorn.) Several shrubs north of 



DundaflF, Prof. Dudley. A rare escape from gardens. 



787 C. CRUS-GALLi L. (Cockspur Thorn.) Abundant back of Plymouth 



and Wilkes-Barre. Not reported in Lackawanna Valley. 



788 C. PORTERi Britton. See Britton's Manual, page 520.* 



789 C. EVANsiANA Sargt. Near Dalton. (Identified by W. W. Ashe.)* 



790 C. NEo-CANBYi Sargt. Hillside between Stroudsburg and Tanners- 



ville, W. M. Canby and Prof. Sargent. Page 638 Crataegus of 

 Easton Pa., by C. S. Sargent.* 



791 C. PUNCTATA Jacq. Most common in two valleys. 



792 C. PUNCTATA, VAR. AUREA Ait. (Yellow Fruited Hawthorn.) Keyser 



Valley, Spring Brook. Not uncommon. 



793 C. PUNCTATA, vAR. RUBRA Ait. (Red Fruited Hawthorn.) Occasional. 



Chinchilla. 



794 C. cocciNEA L. Near Dalton. 



795 C. BiLTMOREANA Beadle. Two miles south of Stroudsburg, Prof. 



Porter. 



796 C. DELToiDEs Ashe. Moosic Lake, C. H. Scharar. 



797 C. POPULNEA Ashe. Keyser Valley near car shops. 



798 C. MACRACANTHA Lodd. Duryca, Lower Lackawanna Valley, Lincoln 



Heights. 



799 C. INDUCTA, Ashe. Keyser Valley, northwest of car shops.* 



42 



