INDEX. 



335 



Chemistry of Lichens (vide Analysis, Colorific principles, and Colouring mat- 

 ters), 51, 52, 137, 155. 



Chemical characters of Lichen-tissues, 112 ; chemical reagents, use of, in ex- 

 amination of Lichen-tissues, 112. 



Chilblains, use of Lichens as application to, 142. 



Chilian species, 30, 97, 123, 168, 199. 



"Chink-wort," 247. 



Chloride (or hypochlorite) of lime, use of, as a colorimeter, 87. 

 Chlorophylle, 39, 209, 277, 279. 

 Chimborazo, Lichens growing on, 101, 123. 

 Chrysophanic acid, 208. 



Ciliated apothecia, 149, 159 ; spores, 292 ; thallus, 145, 149, 154, 177, 195. 

 Cinchona-barks, Lichens characteristic of, 102; Lichens as substitutes for, in 



medicine, 145, 209. 

 Classification, ancient and modern systems of, 18, 115; principles of natural 



and artificial systems, 25, 116. 

 Climate, effect of, on growth of thallus, 53 ; effect of, on distribution of species, 



55,98,99. 



Collection of Lichens, rules for, 3, 107, 109. 



Collectors, value of individual and aggregate labours of, 15. 



Colorific genera and species, enumeration of, 89 ; colorific species, rules for 



discrimination of, 88 ; colorific principles, chemistry of, 84 ; mode of 



evolution of, 86 ; tests for, 87 ; effects of external circumstances on 



quantity and value of, 56, 136. 

 Colouring matters, chemistry of, 84, 91 ; economical applications of, 48, 86 ; 



seat of, in thallus, 47 ; brown (vide Dyes) ; purple (vide Dyes) ; yellow 



(vide Dyes). 

 Confluent apothecia (vide Apothecia). 

 Coral islands, Lichens growing on, 80. 

 Coralloides, 24. 



Coriaceous thallus, 35, 276, 283. 



