14 E 



The Canadian Arctic Expedition, 1913-18 



Fig. 



3. 



4&5. 

 6&7. 

 8& 9. 

 . 10. 



11. 



12. 



DESCRIPTION OF PLATE. 



Barbula Johansenii, n. sp. 

 Plant X 19. 



Outer perichaetial leaf X 32. 

 Stem-leaf X 32. 



Cross sections of lower and middle parts of stem-leaf X 210. 



Cross sections of upper part of leaf and excurrent costa X 210. 



Inner perichaetial leaves X 32. 



Apex of costa broken off and starting new growth X 50. 

 Basal cells of stem-leaf X 210. 

 Median cells X 245. 



Fig. 13. Plant X 6. 

 14&15. Stem leaves X 19. 



16. Branch leaf X 19. 



17 . Basal cells of leaf X 210. 



18. Median cells X 245. 



Chrysohypnum arclicum, n.sp. 



