and name other Gras.ses. 47J^ 



Fig. 6. Shows the membrane of one of the sporidia, laid open, increased in size, 

 and developing- granules on various points of its surface. 



". Shows the manner in which the sporidia become divided by a sej)tiuu 

 or septa, by the granules extending themselves transversely ; differ- 

 ent stages being observed in the first and succeeding ones. 



8 & 9. More advanced states of growth. 



10. The fungus, assuming a radiating form, and developing sporidia upon 



its branches. 



1 1. Granules from tlie interior of the sporidia, arranged singly, or in twos 



or threes. All the preceding ligures magnified seven luindred times. 



12. Tlie Acarus, which lives on the interior of the ergot, magnified fifty 



times. 



3 Q 2 



