EXPLANATION OF PLATE VIII 



Didymium ancllus Morg. 



Figs. 156, 157, 158. Habit, X 10; spore, X 1200; crystal, X 1200. 



Didymium squamulosum (Alb. & Schw.) Fr. 



Figs. 159, 160, 161, 162, 163. Habit, X 20; section of a sporangium, X 15; spore, 

 X 1200; spores of var. claviforme, X 1200: crystal of var. claviforme, X 1200. 



Didymium mclanospermum (Pers.) Macbr. 



Figs. 164, 165. Habit, X 20; spore, X 1200. 



Didymium minus Morg. 



Figs. 166, 167. Habit, X 20; spore, X 1200. 



Didymium nigripes (Link) Fr. 



Figs. 168, 169. Habit, X 15; spore, X 1200. 



Didymium xanthopus (Ditm.) Fr. 



Figs. 170, 171. Habit, X 15; spore, X 1200. 



Didymium dijforme (Pers.) Duby 



Figs. 172, 173. Habit, X 10; spore, X 1200. 



Didymium quitense (Pat.) Torr. 

 Fig. 174. Spore, X 1200. 



Didymium fulvum Sturgis 



Fig. 175. Spore, X 1200. 



Didymium crustaceum Fr. 



Fig. 176. Spore, X 1200. 



Didymium nivicolum Meylan 

 Fig. 177. Spore, X 1200. 



Diderma ejfusum (Schw.) Morg. 



Figs. 178, 179, 180, 181. Habit, X 10; spore, X 1200; var. relicidatum, habit, X 10; 

 spore of var. reticidatum, X 1200. 



Diderma simplex (Schroet.) List. 



Figs. 182, 183. Habit, X 10; spore, X 1200. 



Diderma spumarioides Fr. 



Figs. 184, 185. Habit, X 10; spore, X 1200. 



