466 DR. G, DICKIE ON LICHENS TUOM DAVIS STRAITS. 



Neuropogon melaxanthus, Nees et Flot. Hassen Island, very 



local, only on trap rocks. 

 Alectoria divergens, Wahl. Frequent. 

 A. bicolor, Nyl. Very frequent. 

 A, jubata, Ach. Dark Head, rather local. 

 A, ochroleuca, Nyh Various forms of it, frequent. 

 Dactylina arctica, Hook, Dark Head, and Cape Searle. 

 Dufourea madreporiformis, Ach. Frequent on both sides of the 



Straits, 

 Ramulina scopulorum, Ach, Dark head, very rare. 



Cetraria islandica, Ach. All the forms of this variable species 



abundant everywhere. 

 C. aculeata, jFV. Greenland shore. 

 Platysma cucuUatum, Hffm, Very abundant. 

 P. fahlunense, Sffm. On both east and west sides, frequent. 

 P. juniperinum, Nyl. Eastern shore of Davis Straits. 

 Nephromium Isevigatum, Ach. Frau Islands, very local. 

 Peltigera venosa, HJpm. Kikerton Islands in Cumberland Sound. 

 P. scabrosa, Th. Fr. Greenland shore, and also in Cumberland 



Sound, but local. 

 Solorina crocea, Ach. Dark Head. 

 S. sacchata, Ach, Cumberland Sound, very local. 

 Sticta scrobiculata, Ach. Dark Head, rare. 

 Parmelia caperata, Ach. Cumberland Sound, rare. 



P. saxatilis, Ach. East and west sides, var. y. omphalodes, 

 abundant. 



P. stygia, Ach. East and west sides, frequent. 



P. lanata, Nyl. Frau Islands ; and Dark Head &c. 



P. incurva, Fr. Kikerton Islands, Cumberland Sound. 



P. ambigua, Ach. Frau Islands ; Wilcox Point ; Dark Head, 



P. centrifuga, Ach. Dark Head, rare. 



P. stellaris, Wallr. Dark Head, rare. 



P. elegans, Ach. East and west sides, abundant. 



P. chrysoleuca, Ach. Cape Searle, very local. 



murorum 



Var. I. Cape Adair. 



Sound, rare. 

 U. proboscidea, DC. 



Var. y. arctica. Eastern shore. 

 XJ. cylindrica, Ach. With the for 

 XJ. hirsuta, Ach. East and west s 



Hffm. Found only in Cumberland 



berland 



