LIST OF ILLUSTBATIONS. 



1. Agaric in process of growth 18 



2. Section of common mushroom ........ 19 



3. Sterile cells, basidia, and cystidia, from Gomphidius . . . .21 



4. Pdyporus yiyanteus (reduced) 23 



5. Ifydnum repandum (section) 24 



6. Calocera viscosa, 25 



7. Tremdla mesenterica 25 



8. Basidia and spores of Phallus 28 



9. Basidia and spores of Lycoperdon 30 



10. Threads of Trichia 32 



11. Arcyria incarnata, with threads and spore . . . . .33 



12. Diachaa eleyans 34 



13. Cyatlius vernicosus 34 



14. Cyathus, sporangia and spores ........ 35 



15. Asterosporiuiji Hoffmanni . . . . . . .36 



16. Barren cysts and pseudospores of Lecythea, . . .37 



17. Coleosporium, Tmsilayinis 37 



18. Melampsora salicina, pseudospores of 37 



19. Cystopus candidus, conidia of 33 



20. Xenodochus carbonarius, pseudospore ...... 39 



21. Phraymidium bulbosum, pseudospores . . . . . .39 



22. Pseudospores of Puccinia ........ 40 



