PLATE XVI. 



Gen. 28.— SCOLIOSOETJS, Moore. [Bynopsis p. xxix.] 

 Via, 1, Fragment of frond of S. ensieoeihb, Moore, showing 

 the irregular lines of spore-cases (ex icon. Hook.) 

 3, Spore-case, 



B. 



GrEN, 29.— HOLCOSORUS, Moore. [Synopsis p. xxix.] 

 Fie. 1. Small plant of H. rEKiAGOifus, Moore, (n. s.) 



2. Fragment of the frond enlarged, showing its thickness, 

 and the solitary embedded central vein. 



