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POPULAR SCIENCE REVIEW. 
Fig. 4. 
)) 
n 
V 
» 
8 . 
9. 
10 . 
11 . 
Penicillium chart arum, considerably magnified ; n, portion cf chain 
of spores. 
Fertile thread of Mucor liyalinus , bearing sporangia. 
Dendritic patch of Sporidesmium alternaria , natural size, showing 
its habit. 
Mode of growth of Sporidesmium alternaria , showing mycelium 
with erect threads and spores ; c, supposed early condition of 
spores of the same. 
Part of chain of spores of Alternaria cliartarum of Preuss. 
Spores of Sporidesmium alternaria. 
Perithecium of Sphceria cyclospora. 
Ascus with sporidia and paraphysis of Splireria cyclospora. 
