Alexander W. Evans, 



Figure 12 



A-D. RiccARDiA FLORiBUNDA (Stcph.) Evans 

 A, B. Parts of male thalli with numerous male branches, x 5. C. Two 

 branch-rudiments, x 25. D. Transverse section of axis, x 100. The 

 figures were all drawn from a specimen of Aneura ftoribunda collected on 

 Desolation Island by P. Dusen, No. 261. 



E-H. RiccARDiA TENAX (Steph.) Evans 

 E. Part of thallus, x 5. F. Apex of a vigorous branch showing two 

 branch-rudiments, ventral view, x 25. G. Transverse section of axis, 

 X 100. The figures were all drawn from a specimen of Aneura toui.v 

 collected on Desolation Island by P. Dusen, No. 195. 



