GLOSSARY OF THE PRINCIPAL TERMS 

 EMPLOYED. 



Anaphyses — Filaments springing from the upper inner surface of the 



hi-potheciuQi. 

 AppUcate — Forming the thalline border in many crustaceous lichens. 

 Arthrosterifjmata — Jointed sterigmata. 



Axial — Cc imposed of the basal but enclosed filaments of the axis. 

 Basidia — The filaments bearing sbi'lospores. 

 Cephalodia — Tubercles containing gonimia. 

 Cortex — 'ITie limiting tissue of the thallus. 

 Cretaceous — Consisting chiefly of oxalate of lime. 

 Crustaceous — Forming a more or less thickish crust, generally attached 



by the whole under surface. 

 Cyphella — Minute empty cavities on the underside of the thallus. 

 Determinate — TS'ith a distinct margin. 

 Discoid — More or less basin-shaped. 

 Efuse — Without a clearly defined outline. 

 Endasp 're — Inner layer of wall of spore. 

 Episjiore — Outer layer of wall of spore. 

 EpithaUus — The external layer of the cortex. 

 Epitliecium — The sui'face of the hymenium. 



Evanescent — Eeduc-ed to mere gonidia scattered, over the substratum. 

 Exciple proper — The hypothecium of a discoid apothecium. 

 Ganidia — The green cells of the thallus. 

 Gonidimia—GKen cells smaller than gonidia and with the cell-wall less 



distinct. 

 Gonimia — Bluish-green naked granules. 

 Heteromeroui — With the constituent elements stratified. 

 Homoeomerous — With the constituent elements more or less mixed. 

 Hymenial geJatinc — The colourless amyloid substance permeating the 



hymenium. 

 Hyinenium — The layer of tbecfe and paraphyses. 

 Hypophlaodal — Consisti g of a very thin film often concealed beneath 



the bark of trees and between the interstices of rocks. 

 Hypophylline — Consisting of the root-like filaments or rhizinoe. 

 Hypothalliis— The basal tissue, being hypopLiylline, applicate, and axial. 

 Hypothecium — The fundamental structure bearing the fructificatiun. 



