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PROCEEDINGS OF THE NATURAL [APRIL, *88. 
*U. dioica, L. (Nettle.) A weed in many places. 
Laportea Canadensis, Gaud. ( Wood-Nettle.) Chiefly S. and W. 
Pilea pumila, Gray. (Clear-weed.) Common in woods in 
Wauwatosa; also S. 
Bcehmeria cylindrica, Willd. (False-Nettle.) Common along 
roads. 
Cannabis sativa, L. (Hemp.) Sometimes a few specimens are 
found wild. 
Hamulus Lupulus, L. (Hop.) Common along the R. R. tracks 
in the Menomonee Valley and in Wauwatosa. 
JUGLANDACEAd. 
Juglans cinerea, L. (Butternut.) Common in different places. 
J. nigra, L. (Black Walnut.) I n the S. part of the county; 
rarer than the preceding - . 
Carya alba, Nutt. (Shag-bark Hickory.) Occasional W. andS. 
C. poreina, Nutt. (Pig-Nut.) In Wauwatosa. 
C. amara, Nutt. (Bitter-Nut.) Commons. 
CUPULIFERJE. 
Queicus alba, L. (White Oak.) Common S. and W. 
0 mac ’ ,'r (P ° St ° ak ’> Rarer S - a " d W - 
Q. macrocarpa, Michx. (Bur Oak.) Like the last 
q .Xal lp'a [f Wamp White 0ak -> ^ Wauwatosa. 
Q. rubra L . (Red Oak.) Common S. and W 
Q- palustns, Du Roi. (Pi n Oak ) q . . , 
Milwaukee Riv er north r V S ** s P ecimens aIon S the 
occurs also S. and W. ° * Cement Works; probably 
Mil waukee^vet and Bcech -) Occurs N. along the 
Cory,us Americana, W^ h h 
out the county. Hazelnut. | Common through- 
Ostrya Virginica Near Whitefish Bay; rare. 
C-p™, Commons. ,.dW. 
bnt rarer than the preceding. (Hornbeanid Also S - and W " 
betulacea:. 
Betula papyracea, Ait. ( Panpr n . , % 
fish Bay. ^ Birch.) Common nearWkite- 
B * h. (Low Birch.) j T 
Alnus serrulata Ait /c ' 11 Uar km’s tamarack swamp, 
watosa. ’ (Sm °° th AI der.) Common near Wan- 
