360 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



[VOL. 11 



Plate 95 



Fig. 1. Regredicaulis serrus. 1 a. Stem, dorsal view, X 70. 1 b. Stem, ventral view, with 

 underleaves and rhizoids, X 70. 1 c. Less well developed stems, X 70. 1 d. Leaf, X 200. 1 e. 

 Transverse section of a stem, X 200. 1 f. Underleaf and rhizoids, X 200. 1 g. Atypical stem with 

 reduced leaves, X 200. 1 h. Female inflorescence showing bracts and well-formed bracteoles, X 70. 

 1 i. Tip of a segment of a female bract, innermost series, X 200. 1 j. Tip of one of the six segments 

 of the perianth mouth, X 200. 1 k. "Flagelliform" branch, showing a reversion, X 200. 1 m. 



