PLATE XXV. 



Pigs. 1ft, la. Asterocarpus Virgimensis, var. obtusilobm. Pages 45 to 46. 



Fig. 1. Shows a form with broad rounded lobes and a fine, closely crowded nervation. 



Fig. la. Pinnules of Fig. 1, magnified to show the nervation. 

 Figs. 2-6. Asteroearpua platyraohis, spec. nov. Pages 4ti to 47. 



Fig. 2. Upper part of a compound sterile pinna. 



Fig. ii. Portion of a fertile compound pinna with fully fructified pinnules. 



Fig. 3a. Pinnules of Fig. 3, magnified to show the sori. 



Figs. 36 and 3c. Single sori of somewhat different form, much magnified. 



Fig. 4. A portion of the lower part of a compound sterile pinna. 



Fig. 4 a. Pinnules of Fig. 4, magnified to show the nervation. 



Fig. 5. Fragment of pinna showing fertile and sterile pinnules on the same pinna. 



Fig. 6. Summit of a sterile compound pinna. 



