PLATE XXXIII. 



Fig. 1. Clathropteris platyphylla, var. erpansa, Sap. Pages 54 to 58. Shows the basal undivided part of 



the frond. 

 Fig. 2. Podosamiles Emmoiisi (/'. lanceolatus of Emmons). Pages 77 to 78. Gives a form with leaflets 



rather narrower than the normal form given by Emmons. 

 Figs. :i-4«. Ctenophyllum taxinum, Land, and Hut. Pages 67 to 68. 

 Fig. 3. Lower portion of a leaf. 

 Fig. 4. Upper portion of a leaf. 

 Fig. 4n. Leaflet of Fig. 4, magnified to show nervation. 



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