186 GEOLOGY OP OHIO. 



t 



MORUS alba L. White Mulberry. 



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



MORUS rubra L. Red Mulberry. 

 Throughout the state. 



XCVII. Order ULMACE.E. Elm Family. 



450. ULMUS L. Elm. 



Ulmus AMERICANA L. American or White Elm. 

 Common. 



Ulmus pubescens Walt. {U'.fulva Mx.) Slippery or Red Elm. 

 Frequent. 



Ulmus 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. OrpER CANNABACE^. Hop Family. 



451. HUMULUS L. Hop. 



HUMULUS LUPULUS 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 URTlCACE^E. Nettle Family. 



453. CELTIS Tourn. Nettle-Tree. Hackberry. 



CelTis occidentalis L. Sugarberry. Hackberry. 



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

 Co., A. A. Wright (Cat.) 



454. URTICA Tourn. Nettle. 



UrTica dioica L. 



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



