CRA.RA-Cont" 



PLATE IV. 



fi. \ Portion of Leaf Uh tnalf & 



i. 3 . otrurture of 



6>trrnxnaiing Carpogortium 



Fi g. 4- . Development of Carpoganixarv 

 frit 



Cortical cfUs of - 



the Leaf 



FJ*. I. Parts of a Fern, 

 a 



THE BRACKEN FERN (PTERIS AQUILINAj 



Fig. 3. Partj in* t 



Portion of Rht 

 g lateral 



Pinnule 



farm btlt>\v &? A 

 A. B. \ 



TWketL Venation 

 7. f)f*tl*ivmeru tf~ Spore 



W ItA K Joimt on .J>auiWfh & London 



