492 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 12 



PLATE 88 



Fig. 1. Nitopliylhim divaruatiim. A portion of a large fertile 

 plant. The base is shown near the right-hand margin 

 of the figure, and the lobing of the blades is character- 

 istic. The dark edge and distinct light sterile border are 

 ver}' easily distinguished from the dark granular central 

 region \vhere the tetrasporic sori are located. I. Santa 

 Cruz. X 0.6. 



Fig. 2. Hemineura HoivcUii. A portion of a fertile plant. The 

 base is shown toward the lower left-hand corner of the 

 figure. The midribs are clearl\' shown in the foliar seg- 

 ments, which in the older parts (upper left) are crisped 

 but in the younger ones (right-hand side) are plane. 

 The fertile branchlets are shown in various stages, 

 with the sterile midrib evident in some. I. Santa Maria. 

 X 1.1. 



