EXPLANATION OF PLATE II. 



Periduvna corticalis^ Batsch., p. 120. 

 Fig. I. Sporangia, X 10. ■ 



Fig. \a A single spore, as if in section, X 900. 

 Fig. \b. The capillitial thread X 750. 



Lachnobolus inrar licit us^ Alb. and Schw., p. 126. 

 Fig, 2. The sporangia X 8. 

 Fig. 2(1. A portion of the capillitium X 750. 

 Fig. 2b. Spores X 750. 



Arcyria ciueren., Bull., p. 123. 

 Fig. 3. The expanded fructifications X 5- 

 Fig. yi. Tip of a single capillitium mass X 40. 



Arcyria viiclliiia, Phillips, p. 124. 

 Fig. 4. A cluster of sporangia X 3. 

 Fig. 4'/. Capillitium X 740. 



Arcyria punicca, Pers., p. 123. 

 Fig. 5. Sporangia, two expanded, one still closed, X 20. 

 Fig. 5(7. A part of the capillitium of the same species X 750. 



Arcyria nutans^ Bull., p. 124. 

 Fig. 6. Expanded capillitium, etc. X 10. 

 Fig. 6«. Capillitium X 740. 

 Fig. bb. A piece of the capillitium thread X 1400. 



Cornuvia tvrig/itii^ B. and C, p. 122. 

 Fig. 7. A single sporangium X 8. 

 Fig. 7«. A node of the capillitial thread X 750. 

 Fig. 'jb. A spore X 750. 



Oligonema nitcus^ Lib., p. 121. 

 Fig. S. A single elater X 750. 

 Figs. Sr/ and '6b. Sjiores x 1000. 



