94 W. Lauder Lindsay’s Hxperiments on the 
TABLE XVII. 
e following were subjected in quantity to simple ammoniacal maceration, and yielded | 
rich tints. 
Name of Lichen. pee Name of Lichen. he eco te 
duced. duced. 
orrera flavicans, Green-yellow | Parmelia perlata, Purple-red 
furfuracea, Purple-red pulverulenta, ed 
etraria glauca, Red-brown saxatilis, Brown-red 
islandica, . Sie Ramalina farinacea, Purple-red 
vernia prunastri, Purple-red fraxinea, as 
yrophora murina, a scopulorum, Cherry-red 
proboscidea, ap Roccella fuciformis, Purple-red 
sidium corallinum, Cherry-red Montagnei, : 
Lecanora parella, nice tinctoria, xe; 
tartarea, Purple-red | Sticta flava, Green-yellow 
ventosa, Blood-red pulmonaria, Brown-yell — 
armelia omphalodes, Brown-red | Umbilicaria pustulata, Purple-red 
physodes, 
TABLE XVIII. 
In the following species, which are, or have been, used in commerce 
as dye-lichens, the colorific material is detectable by reagents. 
Evernia prunastri. Ramalina farinacea. 
Gyrophora deusta. scopulorum. 
murina. Roccella fuciformis. 
Isidium corallinum. Montagnei. 
Lecanora atra. tinctoria. 
hematomma. Solorina crocea. 
parella. Umbilicaria pustulata. 
tartarea. Urceolaria calcarea. 
Parmelia caperata. cinerea, 
conspersa. scruposa, 
encausta. Usnea barbata. 
perlata. 
saxatilis. 
