EXPLANATION OF PLATE V 



Lam f^rodrrnui arcyiiniu'ina Rost., p. 197. 

 Fig. \. A sint^le sporangium seen as if in section, X 40. 

 I'ig. 1 a. A single spore, X 1400. 



l.amfiddrrma .uinlillans (Heri<. .*l: Br.) List., p. 195. 

 Fig. 2. A single sporangium seen as in section, X 40. 

 Fig. 2 a. A single spore, X 1400. 



r.ncrthnicma papiUatum (Pers.) Rost., p. 190. 

 Fig. 3. An expanded, hlown-out sporangium, X 25. 



Lamprodirma robuslum V.W. k Ev., p. 

 Fig. 4. A sporangium seen as in section, X 20. 

 Fig. 4«. A single spore, X 1000. 



C.omatr'uha la.xa Rost., p. 177. 

 Fig. 5. \ sporangium seen as if in section, X 40. 

 Fig. 5 a. A single spore, X 2000. 



Diacliara tliomasit Rex, p. 188 

 Fig. 6. Three sporangia magnified about 15 times. 

 Fig. 6 a. A single spore of the same species, X 800. 



Brefiid'ia maxima (Fries) Rost., p. 154. 

 Fig. 7. A group of sporangia, showing columella?; X 5. 

 Fig. 7 a. Capillitial threads of the same species, X 300. 

 Fig. 7 h. Spore of the same species, X 1500. 



A maitrocliii'tr fulif/iiiosa (Sowb. ) Macbr., p. 149. 

 Fig. 8. A bit of so-called capillitium, X 300. 

 Fig. 8 a. A single spore magnified about 1000 tiines. 



