l62 



Alexander IV. Evans, 



Figure 7. Riccardia autoica (Steph.) Evans 



A. Part of male thallus with numerous male branches, x 8. B, C. 

 Parts of two female thalli with several female branches, C showing two 

 stolons, X 8. D. Transverse section of axis, x 100. E. Other end of 

 section partly shown in D, x 100. F, Transverse section of ultimate 

 branch, x 100. G. Transverse section of stolon, x 100. H. Male inflor- 

 escence, x 50. I. Female branch, ventral view, x 50. The figures were all 

 drawn from the type material of Ancura autoica. 



