PLATE VII 
Pterts quadriaurita Retz. var. setigera Bedd. 
Pteris pellucida Pres. 
Pterts longifolia L. 
Pteris aquilina LL. portion of frond. $ 
Pteris cretica L. Pteris enstformis Burm. 
fertile frond. sterile frond. fertile frond—sterile frond. 
To face pa 
