1968] LEAFY HEPATICAF. OF LATIN AMERICA PART III 323 



Plate 81 



Fic. 10. Cephalozia tubidata. 10 a. Stem, dorsal view, X SO. 10 b. Leaf segment, X 200. 

 10 c. Portion of a transverse section of a stem, X 160. 10 d. Optical view of the dorsal portion 

 of the stem between the two rows of leaves, X 200. 10 e. Optical view of the ventral side of the 

 stem, X 200. 10 f. Stem, ventral view, with a branch of the Frullania type, X SO. 10 g. Male 

 inflorescence, X SO. 10 h. Leaf, X SO. 10 i. Female bract, inner series, X SO. 10 j. Tip of the 

 segment of this bract, X 200. 10 k. Portion of a transverse section of the lower part of a 

 perianth, X 200. 10 m. Portion of mouth of perianth, X 200. 10 n. Diagram of a portion of a 

 capsule in longitudinal section, showing the transverse arrangement of the elaters, X 200. Fig. 10 

 a, b, g, drawn from the type; fig. 10 c-e from Halle 98; fig. 10 f, from # 2, Falkland Islands; 

 fig. 10 h-n from Skottsberg (G-13222). 



