1966] 



LEAFY HEPATICAE OF LATIN AMERICA — PART II 



273 



Plate 64 



Fig. 17. M. conchifolium. 17 a. Stem, ventral view, X 75. 17 b. Stem, ventral view, X 35. 

 17 c. Cells of the dorsal margin of a leaf, X 300. 17 d. Cells of the wing, X 300. Drawn from 

 the Iectotype. 



Fig. 18. M. tumidulum. 18 a. Stem, dorsal view, X 75. 18 b. Stem, ventral view showing 

 underleaves, X 75. 18 c. Leaf cells, X 700. 18 d. Female inflorescence, X 75. Drawn from 

 the type. 



