70 



Querciis Marylandica Muench. 



(^Q. nigra of authors.) (Black jack.) 

 Very common, dry, sandy uplands, also on clay. 



Quercus minor ( Marsh. ) Sargent. 



Very common, dry uplands, sand or clay. 



Queix'us Phellos L. 



Common, creek bottoms. 



*Quercus prinoides Willd. 



Occasional, creek bottoms. 



tQuercus rubra L. 



Occasional, moist clay uplands. 



Quercus Schneckii Britton. 



Common, uplands, clay or sand. 



(^D. Texana Sargent, not Buckl.) 



Quercus velutina Lam. 



Occasional, clay uplands, frequent in upper counties. 



Ulmaceae. 

 *Celtis Georgiana Small. 



Common, dry woods, fence rows, etc., a shrub. 



Celtis O'ccidentalis L. 



Clay county (Mohr's Plant Life). 



Ulmus alata Michx. 



Common, dry uplands. 



Ulmus Americana L. 



Occasional, moist woods, creek bottoms. 

 MORACEAE. 



Morus rubra L. 



Occasional, rich woods, thickets. 



Urticaceae. 

 x\dicea pumila (L. ) Eaf. 



Occasional, swamps. 



Boelimeria cylindrica (L.) Willd. 

 Occasional, swamps. 



Urticastrum divaricatum (L.) O. Kuntze. 



a single collection. Clay county. 



