PLATE VII 



Ptens quadnaurita Retz. var. setigera Bedd. 



Ptens pellncida Presl. 



Ptens longt folia L. 

 Pteris aquihna L. portion of frond. 



Pteris crctica L. 

 fertile frond. sterile frond. 



Pteris ensiformis Burm. 

 fertile frond' sterile frond. 



To face page 88 



