DESCRIPTION OF PLATE XVII 
TRUFFLES AND FALSE TRUFFLES 
Figs, i to 8 are Truffles (Ascomycetes) ; Figs. 9 to 16 are False 
Truffles (Gabteromycetes). 
Fig. 1 .—Tuber cestivum. 
Fig. 2.—Ditto, gnawed by a squirrel. 
Fig. 3.—Section of Tuber cestivum. r r- 
Fig. 4.— Choiromyces meandriformis . 
Fig. 5. —Ditto, section. 
Fig. 6. — Tuber rufuui: asci containing spores; highly magnified. 
Fig. 7. — Elaphomyces variegatus, with Cordyceps ophioglossoides growing 
upon it. 
Fig. 8. —Section of Elaphomyces variegatus. 
Fig. 9. —Octaviania asterosperma. 
Fig. 10.—Ditto : section showing the large and irregular central 
cells and the smaller and spherical outer ones. 
Fig. it.— Basidium and spores of Octaviania asterosperma ; highly 
magnified. 
Fig. 12. —Hymenogaster citrinus. 
Fig. 13.— Hydnangium carotcecolor. 
Fig. 14.—Ditto, section. 
Fig. 15.— Rhizopogon rubescens, showing the vein-like fibres on ihe 
peridium. 
Fig. 16.—Ditto, section. 
