324 



J.ASTREA DILATATA, 



"this is so completely the case with Blakei, that the frond 

 becomes symmetrically unsymmetrical, if such a paradox can 

 be conceived." The form Blakei has also a tall, oblong outline, 

 which is another peculiarity. Doubtfully distinct from angusti- 

 pinnula. 



ALPHABETICAL LIST OF VARIETIES OF 

 LASTEEA DILATATA. 



