135 



Oxypolis rigidus (L.) Britt. 

 Frequent, open marshy places. 



Polytaeuia Nuttallii D. C. 



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



jPtilimnium capillaceiiin (Miclix. ) Hollick. 



Common, sandy swamps. 



Sank'ula Canadensis L. 



Common, moist to rather dry woods. 



*Sanicula Floridana Bicknell. 1. 



Frequent, dry upland woods. 



Sanicnla Marylandica L. 



Occasional, moist woods. 



Saniciila Sniallii Bicknell. 



Frequent, creek bottom woods. 



Tliaspium barhinode ( Miclix. ) Xutt. 

 Occasional, moist thickets, etc 



Tliaspiuni trifoliatum aureum (Nutt. ) 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 Amomiim Mill. 



Common, along streams. 



Cornus stricta Lam. 



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



Cornus florida L. 



Common, upland woods, clay or sand. 



INyssa biflora Walt. 



Common, swamps. 



1. Mohr's Plant Life, 645, includes this ivith 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. 



