Dr. C S. Sargent, Director of the Arnold Arboretum and the 

 highest authority on trees and shrubs, after a study of dried 

 specimens as well as the living trees on the ground in most cases, 

 has classified and named the following local Crataegus. The 

 descriptions of these species were published in the proceedings of 

 the Philadelphia Academy of Natural Sciences, January, February, 

 March number, 1910: 



800 C DUNMORENSis Sarg. Near corner of Electric Street and Jefferson 



Avenue, Dunmore. 



801 C. INCOMPTA Sargt. Maloney Home, Scranton. 



802 C. CONJUNCTA Sargt. Keyser Valley, near car shop. 



803 C. PUTA Sargt. Lincoln Heights. 



804 C. PYRAMiDATA Sargt. Country Club, Dunmore Lithuanian Cemetery. 



805 C. iMPERVA Sargt. Dunmore. 



806 C. DELECTATA Sargt. Keyser Valley. 



807 C. VEGANDis Sargt. Maloney Home. 



808 C. EFFERA Sargt. Taylor Hill, Country Club. 



809 C. CAERULIA Sargt. Lincoln Heights, Keyser Valley. 



810 C. TENELLA Ashe. Throop railroad crossing, Dunmore. 



811 C. ANGUSTisEPALA Sargt. Chinchilla. 



812 C. FLAMMATA Sargt. Birdseye. 



813 C. RUFiPES Ashe. Keyser Valley, north of car shops. 



814 C. PROPENSA Sargt. Keyser Valley. 



815 C. GENEALis Sargt. Lincoln Heights. 



816 C. HOLMESiANA Ashc, Kcyscr Valley, one tree near Wilkes-Barre ; 



common about Waverly. 



817 C. ROTUNDiFOLiA, VAR. cocciNEA. Kcyscr Valley. 



818 C. DODGEi Ashe. Lincoln Heights. 



819 C. scoPULORUM Sargt. Campbell's Ledge. 



820 C. TwiNiNGi Sargt. Lincoln Heights. 



821 C. APPOsiTA Sargt. Keyser Valley. 



822 C. ERRATA Sargt. Keyser Valley. 



823 C. PROPEXA Sargt. Campbell's Ledge. 



824 C. DiAPHORA Sargt. Keyser Valley. 



825 C. AGAiA Sargt. Keyser Valley near old pest house. 



FRAGARIA L. (Strawberry) 



826 F. viRGiNiANA Duchesne. Common. 



827 F. VESCA L. Common. 



828 F. VESCA, VAR. ALBA Rydb. This variety has been collected at Mos- 



cow and Elk Mountain. It has been reported as abundant in 

 Wayne County. 



829 F. VESCA, VAR. AMERICANA Porter. Common in all rock-y woods. 



WALDSTEINIA Willd. 



830 W. FRAGARioiDES Trattinick. Common. 



POTENTILLA L. (Cinquefoil, Five-Finger) 



831 P. ARGUTA Pursh. Top of Campbell's Ledge. Rare. 



832 P. MONSPELiENsis, VAR. NORVEGicA Rydb. Comniou. 



833 P. ARGENTEA L. (Silvcry Cinquefoil.) Common. 



834 P. RECTA L. Wyoming, Prof. R. X. Davis. 



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