List of Illustrations in Text 



Mushroom to show veil ..... 

 Mushroom to show cap, ring, gills, and stem 

 Mushroom to show veil on stem and cap . 

 Section across gill (magnified) .... 

 A small portion of section of gill (highly magnified) 



Corn smut 



Leaf rust on Hepatica triloba .... 

 Pouch-fungus, section to show spores in hollow rind 



Section to show gills 



Section of a Boletus, to show pores . 



Clavaria with spores on spines .... 



Section of Hydnum, to show teeth 



Section of stroma with perithecia (magnified) 



Perithecium (highly magnified) .... 



Outer surface of truffle 



Section of truffle 



Fleshy cup-like fungi 



Club-shaped fungus 



Conic, convex, and pitted fungus 



Fungus with gyrose furrows .... 



Saddle-shaped fungus 



Fungus with spore surface flat, running down the sid 



Fungus with gills 



Fungus with pores 



Fungus with spines 



Calostoma 



Geaster 



Nidularia . 



Clathrus cancellatus 



Simblum rubescens 



Anthurus borealis 



Mutinus 



Phallus impudicus 24, 



XX iv 



es 



24, 



24. 



24, 



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