Explanation of Plate XL 



Lindsaya irapeziformis Dry. p. 151. 

 Fig. 1. The smaller part of a forked frond. (Rather like a large 



compound pinna). X i- 

 Fig. 2. Basal pinna of once-pinnate frond. X 1. 

 Fig. 3. Middle pinna of same frond. X I. 

 Fig. 4. The basal pinna which is opposite the compound part (pinna) in 



fig. 1. x 1. 

 Fig. 5. A basal pinnule from compound frond. X 1. 

 Figs. 6, 7. Tips of compound pinnae from same frond. X 1. 



Lindsaya horizontalis Hook. p. 152. 

 Fig. 8. A pinna. X i- 

 Fig. 9. Tip of pinna. X i« 

 Fig. 10. Basal pinnule. X 1. 

 Fig. 11. Middle pinnule. X 1. 



Dana Hi a saccoioma Spreng. p. 152. 

 Fig 12. Tip of pinna. X 1. 



