44 The Ottawa Naturalist. [May 



Var. sorediata, (Ach.) Nyl. 



On trees and rocks ; rare. On maple trunks north of Aylmer 

 Road, west of Hull, Que., April 26th, i8gi. 



294. Parmelia caperata, (L.) Ach. 



On trunks, dead wood, and stones ; common. On old rails and 

 pine trees, Clemow's Woods,, Bank St., April 12th, 1895 ; common on 

 dead and living trees at Rockcliffe, Bgechwood and Ottawa East ; 

 abundant on old rails and dead wood at Britannia ; common on dead 

 pines Aylmer Road and by the Beavei Meadow, Hull ; old fence rails, 

 west of Hintonburg and VVest End Park ; on rails in Dow's Swamp ; 

 and on trees at Carleton Place.; on old fences around Billing's Bridge ; 

 on trees of all kinds at Leamy's Lake ; on old sturvips and fences at 

 Stittsviile ; very common. King's Mountaic, Chelsea, Que. 



295. Parmelia conspersa, (Ehrh.) Ach. 



Abundant on boulders in all old fields and fences around Ottawa. 

 Collected in Rockcliffe Park, Ottawa East, by Dow's Swamp, fields at 

 Hintonburg, and along the Aylmer Road west of Hull ; on boulders 

 around Billing's Bridge ; on boulders at Brigham's Creek, near Leamy's 

 Lake ; on boulders at Stittsviile ; on boulders and other rocks. King's 

 Mountain, Chelsea, Que. 



VHL PHYSICA, DC. 



296. Physcia speciosa, (Ach.) Nyl. 



On trees and mossy rocks in woods. On trees at Ottawa, 1884 ; 

 on trees in Beechwood Cemetery ; on trunks, Pine Hill, Rockcliffe 

 Park, April 16th, 1896 ; on a hemlock trunk in woods north of Beech- 

 wood Cemetery ; on a beech tree in woods one mile south-east of 

 Hilling's Bridge ; on the bases of basswood trees in woods at Leamy's 

 Lake, May 7th, 1897. 



297. Physica granulifera, (Ach.) Tuckerm. 



On trunks. On bark of trees north of Aylmer Road, Hull, Que., 

 April 26th, 1891 ; on ash trees, Cowley's Farm, west of Hintonburg ; 

 on large trees in woods at Leamy's Lake, May 7th, 1897. 



298. Physcia pulverulenta, (Schreb.) Nyl. 



On trunks and rocks. On black ash trunks, Stewart's Bush, April 

 1 2th, 1895 : on ash trees at Britannia ; on living and dead trees, Skead's 

 Farm, Hintonburg ; quite common on ash and other, trees along the. 

 Aylmer Road west of Hull ; on a'-l) trunks in Dow's Swamp, Ottawa 

 East, Beechwood and Rockcliffe Park ; on large trunks in woods, 

 Leamy's Lake : on trees at Siiitsville ■. on trunks and rails, King's 

 Mountain, Chelsea, Que., May 22nd, 1897. 



