Dyeing Properties of Lichens. 235 
II. 
on the evolution of the Colouring Matters of Lichens. 
| -Roccella tinctoria. 
r Roccella fuciformis from| Lecanora tartarea from |Parmelia parietina from 
e: 3 From ae a Verde the Canaries, &c. Perthshire. Grange, Edinburgh. 
eh slands 
Pale sherry Pale straw-colour 
Light brownish-red 
‘|Pale brownish-red 
Dirty brownish-red |Dark brownish-red |Dirty sherry Dirty greenish-yellow 
| L irty sherry colour ) 4 ao ses 
| jLight brownish-red 
| Light sherry 
_ |Unaltered 
Unaltered 
Light brownish-red |Straw-yellow 
Dirty reddish-brown |Pale yellow 
|Pale crimson-purple 
| Light brownish-red |Rich deep purple {Dirty greenish-yellow 
|Rich purple cee ove 
Dark purple-red 
I ight sherry Light brownish-red Pale pi Se Pale greenish-yellow 
) D eep claret Deeper brownish-red |Rich sherry 
Light brownish-red | Pale sherry Purple-red - Dirty greenish-yellow 
f _ brownish-red |Brownish-red Rich purple 
ight brownish-red |Light brownish-red [Deep claret Pale icumnameds 
i Deep sherry colour oe 
E Purplish-red Deep claret Rich purple 
Brownish-red_. Pale sherry Deep claret 
po sherry Light brownish-red es 
Jnaltered Unaltered Light claret 
Nearly unaltered -~ [Nearly unaltered Sherry colour 
ale sherry Light brownish-red |Purple-red 
. a Deep brownish-red 
|Rich brownish-red Deep brownish-red Purple-rdg 0 07 OMT ae 
ery It. brownish-red|Very lt. brownish-red|Pale sherry ee 
| Light brownish-red 
is ipa Sherry colour 
jLight brownish-red |Pale sherry Light purple-red 
eeper brownish-red Ge 
i Fine claret Deep purple-red 
i igh brownish-red |Brownish-red Light sherry 
tl em according to the tables in “ Syme’s Nomenclature of Colours.” His nomenclature, however, is 
Were used to cach fluid ounce of water. 
“a 
