BOTANICAL SURVEY— SUGAR GT^OVE REGION 325 



Aceraceae, Maple Family. 

 Acer spieatiini Lam. Mountjiin ]\LTp]e. Was reported by Bigelow. It is unknown 



to the writer. 

 Acer saccharinum L. Silver Maple. No specimen. 



Acer riibruni L. Red Maple. Common on l)otli uplands and lowlands. 

 Acer saceharum Marsh. Sugar Maple. 

 Acer nigrum Mx. Black Sugar Maple. 

 Acer negundo L. Box Elder. 



Anacardiaceae, Suma<- Family. 



Rhus coiiallina L. Uplanil Sumac. 



Rhus hirta (L.) Sudw. (R. typhina). Staghorn Sumac. 



Rhus glabra L. Smooth Sumac. 



Toxicodendron vernix (L.) Ktz. (Rhus) Poison Sumac. A single individual along 

 the road near the center of section 4, Berne Twp., the extreme southern limit 

 of the si^ecies. Reported by Bigelow without comment. Undoubtedly once 

 far more plentiful than now. 



Toxicodendron radicans (L.) Ktz. (Rhus) Poison Ivy. No specimen. 



Subclass, Amextiferae. 

 Platanales. 

 Hamamelidaceae, Witch-hazel Family. 

 Hamamelis virginiana L. Witchdiazel. 



Platanaceae, I'lanetree Family. 

 Platanus occidentalis L. Sycamore. On uplands as well as lowlands where the 

 light is sufficiently intense. 



Urticalcs. 

 Ulmaceae, Elm Family. 

 Ulmus americana L. White Elm. 

 Ulmus fulva Mx. Slippery Elm. 

 Celtis occidentalis L. Hackberry. 



Moraceae, Mullierry Family. 

 Morus rubra L. Red Mulberry. 

 Humulus lupulus L. Hop. 

 Cannabis sativa L. Hemp. Fide Bigelow. 



Urticaceae, Nettle Family. 

 Urtica gracilis L. Slender Nettle. No specimen. 

 Urticastrum divaricatum (L.) Ktze. (Laportea canadansis (L.) Gaud.) Wood 



Nettle, Common. No specimen. 

 Pilea pumila (L.) Raf. (Adicea). Clear Weed. Common. No specimen. 

 Boehmeria cylindrica (L.) Sw. False Nettle. No specimen. 

 Parietaria pennsylvanica Muhl. Abundant. No specimen. 



