PLATE XVII. 



MYXOGASTRES. 



IIO. 



1. Didymium faiinaceum. 



2. Did^yniiura xaatliopus. 



3. Physarum nutans, 

 (natural size, and enlarged,.) 



4t. Augioriclium siuuosum. 



5. Badhamia pallida, 



(natural size ; spores and laminj;.) 



6. Ci'aterium pedunculatum, 

 (natural size, and magnified.) 



