28 



portion of the cross-section of frond, decalcified, 2 *. Fig. 16: sori, 

 1 1 2 . Fig. 17 : tetrasporangium and paraphyses, 2 |. 



Peyssonnelia Decaisne. 

 ^ b o a" b IS- 



SQUAMARIEAE, SQUAMARIACEAE. 



* ? r * )> r f4, ^ ^ r -^ j 7 35 fr- 



= PR 9 7 



f-^^^ 



Jh ^ ^ JK 

 31 -fe /" i 



s 3 ? 



, ffi * 



= fnJ _b 



Jf Hi US 



is 



* ft *, 



?'l afe - K& 



5" r j / ^ jft -fe 



ffr = JK 7 if, i U^ 



^ 4n ^ Jfi 

 -- T? * 



10-20 M r ^ K ^ ^ ^" ^ ?c - ^B 7 2 >* -t / = -> r 



'i@ & ?* VH I'll ^.^ P- squainaria (Gnielin) Decaisne f 7 



T i-' ? 7 f - ffi ? & n ft =. ra 11 ^ ^ - 7 - n ^ ^ 



