EXPLANATION OF PLATE VII 



Craferium leucocephalum (Pers.) Ditm. 



Figs. 133, 134, 135. Habit, X 10; section of a sporangium, X 40; spore, X 1200. 



Craterittm cylindricum Massee 



Figs. 136, 137. Habit, X 10; spore, X 1200. 



Craterium minutum (Leers) Fr. 



Figs. 138, 139, 140. Habit, X 10; section of a sporangium, X 40; spore, X 1200. 



Trichamphora pezizoidea Jungh. 



Figs. 141, 142. Habit, X 10; spore, X 1200. 



Cienkowskia reticulata (Alb. & Schw.) Rost. 



Figs. 143, 144, 145. Habit, X 10; capillitium, X 550; spore, X 1200. 



Leocarpus fragilis (Dicks.) Rost. 



Figs. 146, 147, 148. Habit, X 10; portion of wall with dual capillitium attached, 

 X 30; spore, X 1200. 



Mucilago spongiosa (Leyss.) Morg. 



Figs. 149, 150. Section of an aethalium, X 2; spore, X 1200. 



Didymiutn complanatum (Batsch) Rost. 



Figs. 151, 152, 153. Section of a plasmodiocarp, X 130; detail of vesicle and capil- 

 litium, X 525; spore, X 1200. 



Didymiutn davits (Alb. & Schw.) Rabenh. 



Figs. 154, 155. Habit, X 10; spore, X 1200. 



