407 



URTICACEiE. The Nettle Family. 



HuMULus, Linn. Hop. 

 Lupulu3, Linn. 



Urtica, Tourn. Nettle. 



dioica, Linn. 

 Canadensis, Linn. 



PiLEA, Lincll. Adike, Raf. 

 pumila, Linn. 



Parietaria, Tourn. Pellitory. 

 Pennsylvanica, Muhl. 



CONIFERS, The Pine Family. 



PiNus, Tourn. Pine. 



Banksiana, Lambert. Dells of the Wisconsin, 

 resinosa, Ait. Red Pine. 



niitis, Miclix. Yellow Pine. Dane County, L A. L. 

 Strobus, Linn. White Pine. 



Abies, Tourn. Spruce. 



bal<amea, Mai.sh. Balsam Fir. Manitowoc, L A. L. 

 Canadensis, Michx. Hemlock. Manitowoc, L A. L. 

 nigra, Poir. Black Spruce. Lake Superior, Dr. Houghton. Upper 



[Mississippi, Prof. Douglass, 

 alba, Michx. White Spruce. Upper St. Croix, Dr. Pany. 



Larix, Tourn. Laich. 



Americana, Michx. Tamarack. 



Thuja, Tourn. 



occidentalis, Linn. White Cedar. 



JuNiPERUS, Linn. Juniper. 



communis, Linn. 



Virginiana, Linn. Red Cedar. 



Taxus, Tourn. Yew. 

 Canadensis, Willd. 



ARACE^. The Arum Family. 



Arum, Linn. Indian Turnip, 

 tiiphyllum, Linn. 



Calla, Linn. Water Arum, 

 paluslris, Linn. 



