COLLECTED IN THE FALKLAND ISLANDS ETC* 231 



Tribe Peltigerei. 



Nephroma antarcticum (J acq.). 



On the trunks of old trees. Port Famine, Port Gallant (Strait of 

 Magellan) ; Port Otway (Cape Tres Montes). 



Plentiful. The specimens from the first of these localities are 

 very large and beautiful, while those from the last are smaller 

 and may be referred to a f. minor, which may thus be character- 

 ized : — "thallus smaller, more divided; apothecia smaller." 



N, analogicum, Nyl., sp. n. " Subsimile Nephromio lusitanico 

 (Schaer.), thallo etiam intus flavo (K 4-,chrysophanice reagente), sed 

 nonnihil firmiore et receptaculo apotheciorum areolato, insculpto 

 (sicut in Nephromio suhtomentello, Nyl.)" — Nyl. in litt. 



On trees. Port Grappler, Otter Islands. 



Sparingly gathered. March 16th, 1868. 



Nephromium plumbeum (Mnt.). 



Amongst mosses on the trunks of trees. Ancud (Chiloe), 



Very sparingly, and only a single specimen gathered. 



Peltigera rufescbns, Hffm. 



Amongst mosses on the ground. Sandy Point. 



Infertile. 



Tribe Physciei. 



Physcia parietina, var. polycarpon, Flk. 



On branches of trees. Direction Hills (S.E. coast of Patagonia). 



Probably not uncommon. 



P. p., var. ectanea, Ach. 

 On stones. Huite (Chiloe). 



Only a single specimen gathered, but " common on stones at 

 high water-mark." 



Physcia speciosa, Wulf. 



Apparently on rocks. Eden Harbour (west coast of Patagonia). 



Very sparingly and infertile, a sorediate state. 



Tribe Lecanorei. 



Pannaria pholidota, Mnt. 



On decayed stumps of trees. Port Gallant. 



Very sparingly and infertile ; an obscure state. 



P. subcincinnata, Nyl., n. sp. " Thallus albidus opacus, fere par- 

 melioideus, subimbricato-lobatus (crassit. circiter 0*25 millim.), 

 ambitu substellatim nonnihil radians lobis planis crenato-incisis non 

 suhstrato affixis, subtus niger, nudtis; apothecia fusco-nigricantia 



