PLATE XLVII. 



TAGE. 



Fig. 1. Megalopteeis ovata, And 417 



Tcrmiuation of frond. Jfatural size. 



Fig. 2. Megalopteris OVATA, And 417 



Lower portion of plant, .showing the characteri.stic short, broad leaves. Natural size. 

 2a. ls'"orvatiou of decurrent portion of leaf. 



Fig. 3. Megalopteris lata, And 417 



Fragment of leaf, natural .size. The leaves are sometimes twice as wide. 

 3a. The usual nervation. 



