54 LACKAWANNA AND WYOMING FLORA. 



77. SANTALACE^E. 



COMANDRA, NUTT. 



611. C. umbellata, NUTT. Penobscot Knob, frequent. Dudley. 

 Campbell's Ledge; Woodward Hill, near Kingston. Thurston. 

 Slocum's Summit, near Pittston. Miss Carlson. 



78. EUPHORBIACE^E. 



EUPHORBIA, L. 



SPURGE. 



612. E. maculata, L. CREEPING S. Common. 



613. E. Preslii, Guss. (E. hypericifolia, 5th ed. Man.) Probably 

 frequent. Reported from Archbald, Scranton, Wyoming, Kingston, 

 etc. 



ACALYPHA, L. 



614. A. Virginica, L. Ledges near Keyser Valley; Scranton, in 

 herb.; Duryea. Dudley. Frequent about Kingston. Thurston. 



79. URTICACE^:. 



ULMUS, L. 

 ELM. 



615. U. fulva, MICHX. SLIPPERY ELM. Lower Lackawanna Valley. 

 Dudley. Carpenter's Island, near Pittston. G. B. Stone. 



616. U. Americana, L. WHITE ELM. Common. 



CELTIS, TOURN. 



HACKBERRY. 



617. C. occidentalis, L. South of Everhart's Island, and south of 

 Lackawanna Station, near the river ; grove by the Susquehanna, opp. 

 Wilkes-Barre, several large trees; shade trees, Maple St., Kingston. 

 Dudley. 



HUMULUS, L. 



HOP. 



618. H. LUPULUS, L. Sometimes escaping; in herb, of R. N. Davis. 



