Il6 GEOLOGICAL SURVEY OF CANADA. 



rocks, Rideau River, south of Ottawa, Ont., May 2nd, 1897. 

 {Macoun.) 



Var. rufescens, Th. Fr. 



On granitic rocks. Arctic America. {Richardson.) Labrador 

 or Newfoundland. (Wagftorne fide Eckfeldt.) 



240. L. privigna, (Ach.) Nyl. 



Labrador or Newfoundland. (Waghome fide Eckfeldt.) On 

 granitic rocks, Tadousac, Que. {A. T. Drummond.) On rocks, 

 Ste. Anne des Monts River, Gaspe Co., Que. {Macoun.) 



Var. pruinosa, Auctt. 



On limestone rocks along the St. Lawrence, at Quebec. {A. T. 

 Drummond.) On limestone rocks along Jupiter River, Anticosti, 

 Que. ; on limestone rocks around Ottawa, Ont,, common. {Ma- 

 coun.) 



241. L. platycarpoides, (Anzi.) 



On sandstone rocks along Jumping Pound Creek, Rocky Moun- 

 tain<, Alta., June 15th, 1897. {Macoun.) 



242. L. flavada, Hepp. 



On stones, Coal River, Newfoundland. {Waghorne.) 



243. L. effusa, Pers. 



On wood. River Head, Chimney Cove, Mclver's Cove, and 

 Benoit's Cove, Newfoundland. {Waghorne.) 



244. L. pinniperda, (Kcerb.) 



On an old plank at Crabbs, Newfoundland. {Waghorne.) 



245. L. detractula, (Nyl.) 



On stones in Lark Harbour, Newfoundland. {Waghorne.) ^ 

 25. RINODINA, Mass. 



246. R, nimbosa, (Fr.) Th. Fr. 



Naked earth in alpine or northern districts. 

 Greenland. {Vahl.) 



