Juncus baltictis 



Erect herbs with slender cylindrical stems; basal 

 leaves reduced to bladeless sheaths; rhizomes firm, 

 extensively forked; along brackish shores and mar- 

 gins of tidal marshes. 



Figure 107.— (a) Habit sketch; 

 (b) sheathing basal 



a 



leaves X '^lO- 



II. Dunes 



Junciis spp. 



Species of Juncus occur in the hollow of the dunes. Two species that are found are: 

 J. greenei with flowers in loose cymes and resembles /. gerardi, and J. canadensis 

 with flowers in subglobose clusters in a compound cyme. For identification of these, 

 refer to one of the manuals or submit the specimen to a botanical taxonomist. 



43 



