PLATE XXI. 



Fig 1. Coniopteris hymeno'phylloides (Brongniart). Page 109. [39,261.] 



Fia. 2. Coniopteris hymenophylloides (Brongii.). P. 109. [52,597.] 



Figs. 3 and Za. Coniopteris hymenophylloides (Brongn.). P. 110. 

 (Leckenby Collection, Cambridge.) 



Figs. 4 and 4a. Coniopteris hymenophylloides (Brongti.). P. 110. [52,550.] 



Fig. 5. Sphenopteris Murrayana (Brongn.). P. 106. [39,273.] 



Fig. 6. Todites Williainsoni (Brongn.). P. 93. [89,274.] 



