462 SKETCH OF THE FLORA OF ALASKA. 



H. Rutliciiiciim, Weinm., Sitka. 



H. Sclirehcri, Willd., Sitka. 



H. Stokesii, Turner, Alaska. 



H. uncinatum, Hedw., Kotzebue sound. 



H. uncinatum, var. majus, Wilson, twice as large as tlie ordinary form, Kot- 

 zebue sound and Alaska. 



11. revolvens, Swartz, Kotzebue sound. 



H. circinale, Hook., Kotzeliue sound, Nulato, and Alaska. 



H. rugosum, Hedw., Kotzebue sound. 



H. illecebruin, Schwaeg., var. caulis divisionibus subdendroidus foliis subinte- 

 gerrimis, Alaska. 



H. rivulare, Br. and Sch., var. foliis minus acutis, Kotzebue sound. 



H. salebrosnm ? Hoti'm., Kotzebue sound, 



H. nitens, Schreb., Kotzebue sound, 



H. denticulatum, Linn., Sitka. 



H. serpens, Linn., Alaska. 



HEPATICJi;. 



Marckantia polymorplia, Linn., Alaska. 

 Fegatella conica Corda, Sitka and Iktigalik. 

 Fimbraria tenella, Xees f Alaska. 

 Jungerinannia albicans, Linn., Alaska. 

 J. tricliopliylla, Linn., Alaska. 

 Scapania numerosa, Nees, Alaska. 



LICHENES. 



[list compiled by H. MANN.] 



Spliseroplioron fragile, Pers. 



S. coralloides, Pers. 



Baeomyces icmadoplulus, Nyl., Biatora icmadopliylla, Auct. 



Cladonia gracilis, Hofl'm., Sitka and Kotzebue sound. 



0. pyxidata, Acli., Kotzebue sound. 



C. deforniis, Hoffm., Kotzebue sound. 



C. uncialis, Hoffm., Sitka and Kotzebue sound. 



C. rangiferina, Hotfra., all Russian America. 



C. sylvatica, Acli., all Russian America. 



Piloplioron robustmn, Nyl., islands of Beliring's straits. 



P. aciculaxe. Tuck., (Sect, of Stereocaulon,) Russian America. 



Stereocaulon pascbale, Laur., Kotzebue sound. 



S. tomentosum? Fries, Kotzebue sound and other localities. Absence of 

 Ifuit renders the determination doubtful. 



Thanniolia vermiculare, common. 



Alectoria ochroleuca. Fries, Kotzebue sound ; on the ground the normal form : 

 also, var. sarmentoso pendant from trees. 



A. divergens, Nyl., various localities. 



Cctraria Islandica, Ach., common. 



Platysma cucullatura, Hoffm., common. 



P. septentrionale, Nyl., Kotzebue sound. 



P. glaucum, Nyl., Kotzelme sound. 



Nephroma arctictun, Fries, Kotzelme sound. 



Peltigera venosa, Hoffm., Kotzebue sound. 



P. canina, Hotlin., Kotzebue sound. 



P. polydactyla, Hoffm., Kotzebue sound, Sitka, &c. 



P. apthosa, Hofl'm., Kotzebue sound, Sitka, &c. 



