SKETCH OF THE FLORA OF ALASKA. 463 



Sticta pulmonacea, Ach., Kotzebuc sound, Sitka, &:c. 

 S. scrcibiculata, Acli., Kotzebue sound. 

 Parmelia perforata, Acb., Kotzebue sound. 

 P. perlata, Acli., Kotzebue sound. 

 P. saxatilis, Acli., Kotzebue sound. 

 P. tiliacea, Acli., Kotzebue sound. 

 Pliyscia paiietina, D. N., Kotzebue sound. 

 P. stellaris. Fries. 

 P. obscura. Fries, Kotzebue sound. 



Lecanora pallescens, var. Upsalensis, Fries, Kotzebue sound. 

 L. tartarica, var. frigida, Ach., Kotzebue sound. 

 Placodium elegans. Fries. 

 Psoroma hypnorum, DC* 



The list ot Fungi and AJgce I liave taken from Mr. Seemann's Report on 

 the Botany of Western Esquimaux Laud. 



FUNGI. 



Dothidea betulina, var. Betula? nanse, Fries, Kotzebue sound. 

 Erineum roseum, Scliultz. 



Alg^ {Auciore W. H. Harvey ^ 



Fucus vesiculosus, L., plentiful in Kotzebue sound. 

 Alaria esculenta, Grev., Arctic coast. 

 Chorda Filum, Stack. 

 Dictyosiphon foeniculaceus, Grev. 

 Chfetopteris plumosa, Kutz. 



Odonthalia dentata, var. angusta, Harv., Arctic coast. 

 Rhodomela Larix, Ag. 

 Delesseria sinuosa, Ag., Arctic ocean. 



Phyllophora Brodisei, J. Ag., Arctic coast, (single specimen of broad-leaved 

 variety.) 



Ahnfeldtia (Gymnogongrus) plicata, J. Ag., Arctic coast. 

 Nostoc verrucosum? Fresh water pools at Port Clarence. 



* All the lichens here enumerated, excepting the species Pilophora, are of wide northern 

 distribution, which the localities here indicated exhibit nothinp^ of. Many other boreal 

 species will reward search, and from some indications seen, we may expect the lichens of 

 the southern part of Kussiau America to show some special affinities to the interesting; lichen 

 flora of California. ii. M. 



