PLATE XVI. 



Page. 



Figs. 1, 2. Eqtiisetuni robustum Newb. •-. - 15 



3. Anemia perplesa Hollick 3 



4, 5. Aspidinin Kennerlyi Newb ._ _._ _ 11 



6, 6a. Sabal imperialis Dn _._ 30 



186 



