95 

 OxTj)olis rigidus (L.) Britt. 



Frequent, open marshy places. 



Poljtaenia Xuttallii D. C. 



Lee county. Baker & Earle) (Mohr's Plant Life). 



tPtilimnium capillaceum (Miclix. ) Hollick. 



Common, sandy swamps. 



Sanicula Canadensis L. 



Common, moist to rather dry woods. 



* Sanicula Floridana Bicknell. 1. 



Frequent, dry upland woods. 



Sanicula Marvlandica L. 



Occasional, moist woods. 



Sanicula Smallii Bicknell. 



Frequent, creek bottom woods. 



Thaspium barbinode (Miclix.) Xutt. 



Occasional, moist thickets, etc 



Thaspium trifoliatum aureum (Xutt.) Britt. 



Occasional, creek bottom woods. 



*Zizia aurea (L.) Koch. 



A single collection, Clay county. 



Zizia cordata (Walt.) D C 



Frequent, upland woods, sand or clay. 



CORNACEAE. 



Cornus Amomum Mill. 



Common, along streams. 



Cornus stricta Lam. 



Lee county Earle & Baker (Mohr's Plant Life). 



Cornus florida L. 



Common, upland woods, clay or sand. 



tXvssa biflora Walt. 



Common, swamps. 



1. Mohr's Plant Life, 645, includes this icith S. Canadensis. 



The two seem sufficiently distinct. The shape of the leaves 



and the general aspect are so different that they can be dis- 

 tinguished at a glance. 



