8. Sterile cells, basidia, and cystidia, from Gomphidius . 
4. 
5. 
6. 
7 
8 
9 
10. 
11. 
12. 
13. 
14, 
15. 
16. 
1%. 
LIST OF ILLUSTRATIONS. 
Agaric in process of growth 
S:ction of common mushroom . 
. Polyporus giganteus (reduced) . 
. Hydnum repandum (section) 
Calocera viscosa “ « ‘ 
. Tremella mesenterica ‘ 
Threads of Tvrichia . 
. Basidia and spores of Phallus . 
. Basidia and spores of Lycoperdun 
Arcyria incarnata, with threads and spore 
Diachea elegans. 5 
Cyathus vernicosus . . 
Cyathus, sporangia and spores . 
Asterosporium Hoffmanni 
Barren cysts and pseudospores of Lecythea 
Coleosporium Tussilaginis 
Pseudospores of Puccinia 
. Cystopus candidus, conidia of . 
. Melampsora salicina, pseudospores of 
. Xenodochus carbonarius, pseudospore 
. Phragmidium bulbosum, pseudospores 
