136 



Alexander W. Evans, 



Figure 3 



A, B. RiccARDiA CALVA (Schififn. & Gottsche) Evans 

 A. Transverse section of axis, x 100. B. Transverse section of ulti- 

 mate branch, x loo. The figures v^^ere both drawn from the tj^jc material 

 of Aneura calva. 



C-F, RiccARDiA Spegazziniana Massal. 



C. Transverse section of axis, x 100. D. Transverse section of wide 

 primary branch, x 100. E. Transverse section of narrow primary branch, 

 X 100. F. Transverse section of terete branch, x 100. The figures were 

 all drawn from the type material of Aneura spiniloba. 



G, H. Riccardia spectabilis (Steph.) Evans 

 G. Transverse section of axis, x 100. H. Transverse section of ulti- 

 mate branch, x 100. The figures were both drawn from a specimen of 

 Anciira spectabilis collected on Desolation Island by P. Dusen, No. 166. 



