134 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Fig. 90. 



ctnnamotnea. 



Terminal portion of etiolated frond, and single pinna. 



Fig. 91. Osmunda cinnainomea. A, normal epidermis, surface view ; B, etiolated 

 epidermis, surface view; C, partial transverse section of etiolated stipe; D, partial 

 transverse section of normal stipe. 



