Tab. CLX. 



Blechnum l.«vigatum, Cav. — p. 55. 



Fig. 1 and 2. Portion of a sterile and fertile frond ; nat. size. 

 Fig. 3. A rather unusually broad fertile pinna, seen from 

 beneath ; magnijied. Fig. 4. Portion of the same, showing 

 an extension of the receptacle of the fructification beyond 

 the sorus; more magnified. Fig. 5. Portion of a sorus ; 

 still 7nore magnified. Fig. 6. Portion of a sterile pinna ; 

 highly magnified, to show its pellucidly dotted character. 



