EXPLANATION OF PLATE XI 



donuilrii //a nit/ia Pers., p. 178. 

 Fip;- 1- A ^roup of sporangia, X 10. 

 Fig. 2. A siiifz;Ie sporangium as in section, X 60. 

 Fig. 3. A single spore, X 1600. 



Strmonitis confliinis Ell. & Cke., p. 158. 

 Fig. 4. A group of sporangia, X 10. 



Fig. 4 rt. A thread of capillitium Avith adhering disk, X 30. 

 Fig. 5. A spore of the same, X 2000. 



Stcmnnilis if.'t'l>brri Rex, p. 163. 

 Fig. 6. A group of sporangia, X 4. 

 Fig. 7. A single sporangium as in section, X 40. 

 Fig. 8. A single spore, same species, X 1250. 



Comatricha siiksdorfii Ell. & Ev., p. 178. 

 F^ig. 9. A group of sporangia, X 4. 

 Fig. 10. A hit of the capillitium, X 60. 

 Fig. 11. A single spore, X 1600. 



Comatr'uha Ccrsf^itosa Sturg., p. 172. 

 Fig. 12. A cluster of sporangia, X 4. 

 Fig. 13. The capillitium highly magnified. 

 Fig. 14. A single spore, X 1600. 



