[68 



Alexander W. Evans, 



Figure 9. Riccardia diversiflora Evans 



A. Part of thallus with numerous male and female branches and one 

 bisexual branch, x 5. B. Transverse section of axis, x 100. C. Trans- 

 verse section of primary branch, x 100. D. Other end of section partly 

 shown in C, x 100. E. Male inflorescence, x 50. F. Female inflorescence, 

 X 50. G. Bisexual inflorescence, x 50. The figures were all drawn from 

 the type material. 



