Plate B 



1. Rhizopogon rubescens. 



2. Hydjiangium carotcecolor : The left-hand figure shows a basidium 



bearing two spores, the right-hand figure a basidium bearing 

 four spores. 



3. Hymenogaster tener : Section of entire fungus. 



4. Melanogaster hroomeianus : A basidium bearing four spores. 



5. Elaphomyces variegatus. 



6. Cordyceps militaris : Entire fungus grov\ing on the chrysalis 



of an insect. 



7. Tuber melanospormn : A single spore. 



8. Inocybe calospora : A single spore. 



9. Portion of a plant of " dry rot " {Merulius lacrymans). 



10. Tuber brumale : A single spore. 



11. Inocybe bucknalUi : A basidium bearing four spores. 



12. Pachyphloeus melanoxantlms : A single spore. 



13. Tuber cesHvum : A single spore. 



14. Balsamia platyspora : An ascus containing eight spores. 



15. Tuber cBstivum : Fungus with a portion removed to show 



internal structure. 



16. Inocybe geophylla : Section through a portion of a gill, showing, 



a, a basidium, bearing four spores ; b, b, cystidia ; c, c, para- 

 physes. 



