EXPLANATION OF PLATE IX. 



P//vsarii»i dtdmiiaidrs, Ach., p. 154. 

 Sporangia X i5- 



A single sporangiiun open; shows calcareous capillitiuin )< 15. 

 Spores X 900. 



PliV'idrnni Inwop/tiniiiii, Fr., p. 156. 

 A cluster of sporangia X 15. 

 A single sporangium, open X 15- 

 Spores X 900. 



P/iysaniiii ro/ifrx//////, Pers., p. ic;7. 

 A group of sporangia X 15- 

 Spores of the same X 600. 



/'//]'■•'<!>' /i)/i n'//rr('///ii, Ratsch., p. 155. 

 A group of sporangia X -1- 

 A single sporangium X -o. 

 Capillitium of the same X ^-\<^- 

 Spores X 450. 



Plivsariim (iioisralpiiiiii, Cke., p. I 58. 

 Sporangia X 5. 



Spoi^es of the same species x 450. 

 Capillitium of the same X -40- 



C it'll Aviv.-ih'd rcticiihila. A. and .S., p. 150. 

 Plasmodiocarps ahout natural size. 

 A hit of the plasuKjdiocarp showing structure X 6- 

 A spore of the same species X 1400. 



Pliysinnin Jeutopiis, Link., p. 156. 

 A single sporangium X is- 

 A spore of the same species X 900. 

 A fragment of the capillitium. 



