PLATE LVIIL 



FIGS. PAGE 



l-2.CosmariumRalfsiiHre>b. x 400 . . 141 



3. C. Ralfsii var. montanum Racib. x 400 . 142 



4-5. G. perforatum Lund. 4, x 520 ; 5, x 400 (after 



Lundell) . . . . 143 



6. C. ocellatum Eicliler & Glutw. 6d, x 750 ; 6a' 



and 6&, x 1000 (after Eicliler and Ghitwinski) 144 

 7. C. ocellatum var. incrassatum West& G. S. West. 



x 520 . . . . 144 



8-9. C. cycliciim Lund. 8, x 400 (after Lundell) ; 



9, x 400 . . . 145 



10. C. cyclicum var. arcticum Nordst. x 400 (after 



Nordstedt) . . . .146 



11. C. cyclicum var. arcticum Nordst. forma. x 400 



(after Roy and Bissett) . . .146 



12. C. cyclicum var. Nordstedtianum (Reinsch) West 



& &. 8. West, x 520 146 



