Bd. 
N 
19} 
23. 
24. 
vw 
ur 
37. 
28. 
IV: ı1) THE LICHENS. 45 
South Shetland Islands, Nelson Island. 
On stone: Lecidea auriculata; Stereocaulon pygmaeum; Diplotomma alboatrum; 
Placodium murorum, regale; Lecanora badia; Buellia Augusta, Nelsonii; 
Verrucaria famelica; Mastodia tessellata. 
Graham Land, Louis Philippe Peninsula, Hope Harbour. 
On a feather: Physcia caesia. 
On stone: Bacidia granulosa; Xanthoria lychnea; Placodium elegans, murorum; 
Lecanora polytropa; Neuropogon melaxanthum; Rinodina crassa; Buellia 
frigida; Acarospora macrocyclos, molybdina. 
Graham Land, Louis Philippe Peninsula, Small Islet off the coast. 
On stone: Acarospora molybdina; Mastodia tessellata. 
Graham Land, Louis Philippe Peninsula, Astrolabe Island. 
On stone: Stereocaulon pygmaeum; Acarospora convoluta; Mastodia tessellata. 
Graham Land, Gerlache Channel, Cape Flora. 
Over earth: Cladonia pyxidata. 
On stone: Gyrophora Dillenii; Xanthoria Iychnea; Lecanora polytropa; Parmelia 
saxatilis; Neuropogon melaxanthum. 
Graham Land, Gerlache Channel, Moss Island. 
Over earth and moss: Sphaerophoron coralloides; Stereocaulon magellanicum; 
Cladonia coccifera, gracilis, pyxidata, rangiferina, sylvatica; Ochrolechia tar- 
tarea; Neuropogon melaxanthum; Physcia stellaris; Rinodina turfacea. 
On stone: Xanthoria Iychnea. 
Graham Land, Gerlache Channel, Challenger Island. 
Over earth and mıioss: Physcia stellaris; Rinodina turfacea. 
Graham Land, Erebus and Terror Gulf, Paulet Island. 
Over earth and moss: Cladonia pyxidata; Blastenia leucoraea; Caloplaca athel- 
lina; Neuropogon melaxanthum. 
On stone: Biatora lavae; Gyrophora anthracina, Dillenii; Stereocaulon pygmaeum; 
Xanthoria lIychnea; Placodium elegans, miniatum, murorum, regale; Calo- 
placa aurantiaca; Lecanora polytropa; Ramalina terebrata; Physcia caesia; 
Buellia Augusta, frigida, latemarginata, protothallina; Mastodia tessellata. 
Parasitic on Placodium elegans: Didymosphaeria placodiorum. 
