description of plates. pp. 131 



Plate XXVL 



Figs. 1-4. Pecopteris pachypteroides, Spec. nov. 

 " 1. Portion of the frond showing incipient teeth 



in the pinnules of the lower pinnae. 

 " 1". Enlarged lower part of the frond showing 



the incipient teeth. . 

 " 1*, 1". Enlarged pinnse from the upper and middle 



portions of the frond. 

 " 4. Summit of a compound pinna. 



Plate XXVII. 



Figs. 1-3. Pecopteris angustipinna, Spec. nov. 

 " 1. Normal form. 



" 1". Enlarged pinnules of the same. 



2. Portion of the lower part of frond. 



3. Portion of the upper part of the frond. 

 3". Enlarged pinnules of the same. 



4, 4**. Pecopteris species ? 



5, 5**. Pecopteris species ? 

 6. Pecopteris arborescens ? 



u 

 u 



Plate XXVIII. 



Figs. 1^. Pecopteris tenuinervis, Spec. nov. 

 '• 1. A portion from the lower part of the frond 



showing undulate pinnules. 

 " 1". Enlarged pinnules of the same. 



" 2. Compound pinna from the middle portion 



of the frond. 

 " 2". Enlarged pinnules of the same. 



" 3. Portion from the upper part of a compound 



pinna. 

 " 4. Fructified portion of the plant. 



" 4". Pinnules of the same enlarged. 



" 4*, 4*. Sori enlarged. 



XXIX. 



Figs. 1-2. Pecopteris merianiopteroides, Spec, nov, 

 " 2. Summit of a pinna. 



