50 The Ottawa Naturalist. [June 



Lake, Hull, Que. ; on old boards at Stittsville ; on rocks, trunks and old 

 rails, King's Mountain, Chelsea, Que., May 22nd, 1897. 



303. Physcia setosa, (Ach.) Nyl. 



On rocks, and upon mosses, and trunks. On trunks along the Beaver 

 Meadow, west of Hull, Que, April 26th, 1891 ; on trunks "Pine 

 Hill," Rockcliffe Park ; on black ash trunks, Cowley's Farm, west of 

 Hintonburg ; on black ash trunks amongst moss in woods north of 

 Beechwood Cemetery ; on beech trees in woods one mile south-east of 

 Billing's Bridge, on various trees in woods at Leamy's Lake ; on trees 

 in a swamp at Stittsville, May 14th, 1897. 



304. Physcia adglutinata, (Floerk.) Nyl. 



On trees and shrubs. On beech trunks at Beechwood Cemetery, 

 April 23rd, 1892. 



LX. PYXINE, Fr. 



305. Pyxine sorediata, Fr. 



On trunks in woods. On black ash in Stewart's Bush, April 12th, 

 1895 ; on beech trunks, " Pine Hill," Rockcliffe Park ; in woods north 

 of Beechwood Cemetery ; on ash, balsam fir and other trees in woods 

 west of Beaver Meadow, Hull, Que.; on trees at Britannia; on trunks 

 in woods at Leamy's 1 ake. May 7th, 1897. 



X. UMBILICAR.L\, Hoffm. 



306. Umbilicaria Muhlenbergia, (Ach.) Tuckerm. 



On perpendicular rocks near the summit of King's Mountain, west 

 of Chelsea, Que., SepL, 1884; also May 22nd, 1897. 



307. Umbilicaria vellea, (L.) Nyl. 



On the face of a perpendicular rock near the summit of King's 

 Mountain west of Chelsea. May 22nd, 1897. 



308. Umbilicaria Dillenii, Tuckerm. 



On the faces of perpendicular rocks near the summit of King's Moun- 

 tain west of Chelsea, May 22nd, 1897. 



XL STICTA, (Schreb.) Fr. 



309. Sticta amplissima, (Scop.) Mass. 



On large trunks in old woods, not rare. Common in Rockcliffe 

 Park and McKay's woods, April i6th, 1891 ; in Dow's Swamp; on 

 rear of Skead's Farm, Richmond road ; also on trees at Carleton Place; 

 on trees in the swamp west of Hull Station ; on basswood trunks in 

 woods near Hull Cemeleiy ; on trunks King's Mountain and near 

 Chelsea, May 22nd, 1897. 



