COLLECTED IN THE FALKLAND ISLANDS ETC. 227 



U. LACUNOSA, Willd. 



On trunks of trees. San-Isideo Point (Fuegia). 



Sparingly and infertile. 



Neuropogon melaxanthus (Ach.). 

 On rocks. East Falkland Islands. 



Plentiful and fertile. 



N. M., f. SOREDIIFER, CrOTTlb. 



On maritime rocks. San-Isideo Point (Fuegia). 



Sterile. 



Chlorea Poeppiggii {Nees et Flot.). 

 On the branches of trees. Sandv Point. 



Sparingly and very rarely fertile. 







Tribe Alectoriei. 



Alectoria ochroleuca (Ehrh.). 



On the ground. San-Isideo Point, Philip Bay (Fuegia) 



Sparingly and infertile. 



Tribe KaualIxVEt. 

 Ramalina linearis (Sw.). 



On maritime rocks. East Falkland Islands. 



Apparently common and fertile, varying somewhat in the 

 breadth of the laciniae. 



R. SUBFRAXINEA, Nj/l. 



On the trunks of oaks. Eden Harbour (west coast of Patagonia). 



Not unfrequent. 



R. SEPIACEA, * TFREBRATA, Tayl. 



On maritime rocks. St.-Nicolas Bay (south coast of Patagonia). 



Common, but without apothecia. 



Tribe Cetrariei. 



Cetraria aculeata, var. acanthella, Ach. 

 On the ground. Philip Bay (Fuegia). 



Sterile. 



C. epiphorella, Nyl. (= Lechl. PL Magell. No. 1001.) "Thalhis 

 nitidus inermis gracilentus, hinc inde ramulis fruticulose divisis 

 insignitus, truncis ipsis longitudinaliter subcanaliculatis. Facde 



propria species. n — Nyl. in Htt. 

 On the ground amongst mosses. Sandy Point. 



Infertile. March 14th, 1867. 



