PLATE XX. 
Page. 
Fig. 1 and 2. Anncjlaria inflata, Spec, nov.....423 
Fig. 3 and 3 b. Leaf of the same, and its cross section. 
Fig. 4 and 4 b. Leaf of Annul art a longifolia, Brgt., and its cross section. .422 
Fig. 5. Equisetites occidentalis, Spec, nov.425 
