186 GEOLOGY OF OHIO. 



Morus aeba L. White Mulberry. 



"Common," H. C. Beardslee (Cat); Cincinnati, Jos. F.James (Cat.) 



Morus rubra L. Red Mulberry. 

 Throughout the state. 



XCVII. Order UEMACE.E. Elm Family. 



450. ULMUS L. Eem. 



Uemus Americana L. American or White Elm. 

 Common. 



Uemus PUBESCENS Walt. (U. fulva ~XI.il.) Slippery or Red Elm. 

 Frequent. 



Uemus racemosa Thomas. Cork or Rock Elm. 



Lorain Co., A. A. Wright (Cat); Ashtabula Co., Miss E. J. Phillips; Licking Co. 

 H. L.Jones (Cat); Columbus,W. A. Kellerman ; Cincinnati, Jos. F.James (Cat.) 



XCVIII. Order CANNABx\CE^3. Hop Family. 



451. HUMULUS L. Hop. 



HUMUEUS LUPUEUS L. 



Occasionally found, in waste places and alluvial soils of water courses. 



452. CANNABIS Tourn. Hemp. 



Cannabis sativa L. Hemp. 



Northern Ohio, Wm. C. Werner, A. A. Wright (Cat); Central Ohio, Wm.C. 

 Werner, H. L- Jones (Cat); Cincinnati, Jos. F. James (Cat.) 



XCIX. Order URTICACE^B. Nettle Family. 



453. CELTIS Tourn. NetteE-tree. Hackberry. 



CEETiS occidentaeis L. Sugarberry. Hackberry. 



Frequent in central and southern Ohio; South Bass Island, W. Krebs; Lorain 

 Co., A. A. Wright (Cat) 



454. URTICA Tourn. NETTEE. 



UrTica dioica L. 



Lorain Co., A. A. Wright (Cat); Cincinnati, Joseph Clark (Cat.) 



