122 Annals of the Carnegie Museum. 



42. Platysma lacunosuni var. atlanlica (Tuck.) Howe. Nipigon. 



43. Parmeliopsis aleurites (Ach.) Nyl. Nipigon. 



44. Parmelia physodes (L.) Ach. Jackfish Island and Porphyry 



Island, L. Superior; Mission, Nipigon; Rossport; Thunder 

 Cape Mt. 



45. Parmelia conspersa (Ehrh.) Nyl. Heron Bay; Rossport; Silver 



Islet and Sleeping Giant, Thunder Cape; Ft. Williams; Por- 

 phyry Island, Little Fluor Island, and Fluor Island, L. Superior. 

 This material represents also the varieties imbricata Mass., 

 stenophylla Ach., and isidiata Mass. 



46. Parmelia olivacea (L.) Nyl. Six-mile Lake and Silver Islet, 



Thunder Cape; Edwards Island, L. Superior; Maloney Harbor; 

 Magnet Point. The material also represents the var. aspidota 

 Ach. ( = -P. exasperata DeNot.). 



47. Parmelia Borreri var. rudecta Tuck. Porphyry Island, L. 



Superior. 



48. Parmelia saxalilis (L.) Ach. Nipigon; Silver Islet and Six-mile 



Lake, Thunder Cape; Edwards Island and Little Fluor Island, 

 L. Superior. One example represents the form brunnea Harm. 



49. Parmelia saxatilis var. sulcata (Tayl.) Nyl. Mt. McKay, Ft. 



William; Maloney Harbor, Magnet Point; Surprise Lake and 

 Perry Lake, Thunder Cape. One example represents the form 

 rnbescens Roumeg. 



Family: LECANORACE^. 



50. Candelariella cerinella (Elk.) Zahlbr. Little Fluor Island, L. 



Superior. 



51. Lecanora rubina (Vill.) Wain. Little Fluor Island, L. Superior. 



52. Lecanora cineria (L.) Sommf. Porphyry Island and Little Fluor 



Island, L. Superior. 



53. Lecanora subfusca (L.) Ach. Silver Islet, Thunder Cape. One 



example represents var. distans Ach., another var. argentata 

 Ach. 



54. Lecanora symmicta Ach. Thunder Cape. 



Family: PELTIGERACE.E. 



55. Pe iigera aphthosa (L.) Hoffm. Nipigon; Heron Bay; Silver 



Islet, Thunder Cape; Rossport; Porphyry Island, L. Superior. 



