PLATE XXII. 



Page. 



Fig. 1. Cabomba (?) gracilis Newb 91 



2. Cabomba inermis (Newb.) Hollick __. 92 



3,4. Equisetum sp. ? Newb 16 



5, 5a. Phragmites sp. ? Newb . _ _ 27 



6. Irissp. ? Newb _.. 33 



198 



