PLATE XIV. 



Oen. 24.— PLEirROGIlAMMA,5;«me.[Synops.p.xxTii.] 

 Fig. 1. Froiid of P. geamikifolia, JPreal, (n, s,) 



2. Fragment of the same, enlarged. 



3. Spore-case. 



4. Spores. 



B. 



Gen. 25.— XIPHOPTERIS, Klfs. [Synopsis p. xxvii.J 

 Fie. 1. Plant of X. 6Bebot,ata, KI/s. (n. 9.) 



2. Fragment of fertUe frond of the 8ain«, showing the 



costal sori. 



3. Fragment of the sterile froncT of the same. 



