DC VTALOGUE OF CANADIAN PLANTS. 177 



585. v. chlorotica, ACH. 



On stones, Goose Arm, and Lark Harbour, Newfoundland. 

 (Waghorne.) 



586. V. pachyderm a, ARNOLD. 



On rocks, Lark Harbour, Newfoundland. (Waghorne.) 



587. V. aquatilis, MUDD. 



On stones, Goose Arm, Newfoundland. (Waghorne.) 



588. V- papillosa, FLOERKE. 



On stones, Clark's Brook, Davis Cove, St. John's Beach, Mid- 

 dle Arm, Halfway Point, Coal River and River Head; also 

 another form at Chimney Cove, and another at Wild Cove, New- 

 foundland. (Waghorne.) 



589. V. brachyspora, ARNOLD. 



On stones, Middle Arm, Newfoundland. ( Waghorne.) 



590. V. dolosa, HEPP. 



On stones, Leading Tickle and Frenchman's Cove, Newfound- 

 land. (Wagkorne.} 



591. V- epidermidis forma punctiformis, BRANTH. 



Greenland. (Arct Man.) On living alder stems along the 

 Rideau Rive , south of Ottawa, Ont., April 3Oth, 1897. (Macoun.) 



58. PYRENULA, (Ach.) 



592. P. punctiformis, (Acn.) NIEG. & HEPP. 



On basswood bark, Central Ontario Junction, Hastings Co., 

 Ont.; on bark, Canfield Junction, Ont.; on maple bark, King's 

 Mountain, Chelsea, Que., and Rockcliffe Park, Ottawa, Ont., 

 1897. (Macoun.} Labrador or Newfoundland. (Waghorne fide 

 Eckfeldt.) 



593. P. thelaona, (Acn.) TUCKERM. 



Labrador or Newfoundland. (Waghorne fide Eckfeldt.) On 

 bark of a young white birch along the Rideau River, near the 

 12 



