ADDITIONS AND CORRECTIONS. 775 
Lichen subfuscus, Lin. S. P. 1609. 
Verrucaria subfusca, Hoffm. Germ. 180. 
Parmelia subfusca, Achar. Meth. 167. 
Lecanora subfusca, Achar, Lich. 393. 
On the bark of trees and old timber work. 
P. 460, 1. 13 from bottom. For lichen versicularis read 
lichen vesicularis. 
P. 476, 1. 14 from bottom. For gyrophora, Achar. read 
gyrophora glabra, Achar. 
PP. 556, |. 11 from bottom. For cladospermium read 
cladosporium. 
P. 656, line the first. For ramalaria read ramaria. 
P. 678, line the last. For Herverus read Pallavicinius. 
P. 679, 1. 20. For Donnia read Bazzanius. 
P. 679, 1. 22. For Pallavicinius read Papa. 
P. 679, 1. 28. For Papa read Herverus. 
P. 684. Change the name of the genus Herbertus into 
Pallavicinius—in English, ‘Pallavicini. 
P. 724, 1. 21. For viribus read viridibus. © 
