1966] 



LEAFY HEPATICAE OF LATIN AMERICA — PART II 



253 



Plate 56 



Fig. 1. Micropterygium surinamense . 1 a. Stem, dorsal view, X 75. 1 b. Stem, ventral 

 view, X 75; U, underleaf. 1 c. Leaf cells, X 700. 



Fig. 2. M. duidae. 2 a. Stem, dorsal view, X 75. 2 b. Stems, ventral view. X 75; U, under- 

 leaf. 2 c. Leaf cells from near the tip of a leaf, X 700. 



Fig. 3. M. tatei. 3 a. Stem, ventral view, X75; U, underleaf. 3 b. Cells from the dorsal 

 side of a leaf near the tip, X 700. Figure 1 drawn from the type; figs. 2 and 3 from the 

 lectotypes. 



