336 



INDEX. 



"Cork," or " Korkir," of the Scotch Highlands, 225. 

 Corrosion of rocks, 33, 50, 78. 



Cortical tissue of thallus, structure of, 39, 143, 153, 162, 166, 176, 206, 



263, 275, 277, 281, 288. 

 Corticolous species, 101, 104, 110, 246, 248, 257, 302. 

 Cosmopolite species, 97, 141, 273. 

 " Crab's-eye Lichen, 5 ' 220. 



"Crottles," "black;" 200, "brown," 184; "dark," 197; "light," 220; 

 "white," 221 ; "stone," 191 ; botanical sources of, 90; economical ap- 

 plications of, 90, 199 ; mode of manufacture of, 86, 200, 225 ; value of, 

 201, 224; crottle-gathering in Scotland, 89, 90, 199. 



Crustaceous species, 80, 88; crustaceous thallus, 33, 214, 247, 256, 290, 

 295, 300, 307. 



Crystals, acicular, in thallus, 209 ; octohedral, 218, 232, 297. 



Cudbear, botanical sources of, 89, 174, 224, 233 ; mode of manufacture of, 



86, 225 ; Cudbear-Lichen, 224 ; gathering of, in Scotland, 225. 

 Cultivation of Lichens, 108. 

 Cutaneous eruptions, use in, 126. 

 Cymose fructification, 272. 

 Cyphellse, 42, 171, 185, 191. 



Decortication of the thallus, 121, 125, 265. 



Demulcents, use as, 83, 129, 137, 148, 153, 156, 183, 269, 273. 



Dendritic hypothallus, 45 ; thallus, 306. 



Development of apothecia {vide Apothecia) ; thallus (vide Thallus) ; thecse 



(vide Thecse) ; spermatia (vide Spermatia); spores (vide Spores). 

 Detonating mixtures, ingredients in, 126. 

 Diagnosis of Cinchona barks by Lichens growing thereon, 102. 

 Diffluent thalamium (vide Thalamium). 

 Dillenius, classification of, 24. 

 Dimidiate perithecium, 60, 252, 302, 305. 



