Tab. IL 



Fig. 1. Aeiiropliymii ovatum, t\ A. r. f*.. takenfrom 



Mr. Forbe's plant, 



a. Fertile frond, 1 X- 



b. Rhizome scale, 10 X- 



c — cl. Paraphyses, 50 — 250 X- 

 e. Sorus (transversal section), 10 X- 



Fig. 2. Aiitrouliyum costatiini, v. A. t\ M. 9 taken from 

 Dr. Hallier's plant, 



a. Fertile frond, 1 X- 



b. Rhizome scale, 15 X. 



c. Paraphyses, 100 X- 



cl. Sorus (transversal section), 10 X- 



