236 CRYPTOGAMIA ANTARCTICA. [Puegia, etc. 
(Lachenes imperfecti.) 
23. ISIDIUM, Ach. 
1. Isrum oculatum, Ach.; Lich. Univ. p. 570. Engl. Bot. t. 1838. 
Has. Hermite Island, Cape Horn, the Falkland Islands and Kerguelen’s Land; on the earth. 
Various Parmelie and Lecanore in a young state, are scarcely distinguishable from one another, and have been 
referred to Isidium oculatum. 3 
2. Istprum Jutescens, Turn. and Borr. Lepraria lutescens, Engl. Bot. t. 1529. 
Has. Kerguelen’s Land; on rocks near the sea. 
Very probably a state of Lecanora murorum. 
24. LEPRARIA, Ach. 
1. Luprarta flava, Ach.; Lich. Univ. p. 663. Engl. Bot. t. 1350. 
Has. Hermite Island, Cape Horn, the Falkland Islands and Kerguelen’s Land ; abundant near the sea. 
Evidently the powdery state of some Parmelia, belonging to the citrinous series. 
k 
