1898] Macoun — Cryptogamic Flora of Ottawa. 47 



310. Sticta pulmonaria, (L.) Ach. 



On large old trees in thick woods, common. Common in Rock- 

 cliffe Park and McKay's woods and woods north of Beechwood 

 Qemetery, April 20th, 1891 ; on trees at Carleton Place ; on trees in a 

 swamp at Stittsville ; on trunks King's Mountain and near Chelsea, 

 May 22nd, 1897 ; on trees in a swamp west of Hull Station. 



XII. NEPHROMA, Ach. 



311. Nephroma Helveticum, Ach. 



On rocks at King's Mountain, west of Chelsea, Sep., 1884; also 

 on rocks below the summit. May 22nd, 1897. 



312. Nephroma Ijevig-atum, Ach. 



On large boulders in old woods. In woods north of the 

 Aylmer road and west of Hull, Que., April 27th, 1895 ; in McKay's 

 woods and in Beechwood Cemetery ; on rocks near the summit of 

 King's Mountain, May 22nd, 1897. 



313. Nephroma parile, Nyl. 



On rocks at King's Mere, west of Chelsea, Que., Sept 3rd, 1884. 



XIII. PELTIGERA, (Willd.) Fee. 



314 Peltigera venosa, (L.) Hoffm. 



On earth along the broken bank of the Lievre River at Buck- 

 ingham, Que., May 14th. 1896. 



315. Peltigera aphthosa, (L.) HofFm. 



On rocks, logs and earth and among mosses in swampy woods. 

 On earth and old logs in wet woods east of the Beaver Meadow, west 

 of Hull, Que., April 26th, 1891 ; on damp rocks by the Lievre River, 

 Buckingham, Que.; on dead logs at Carleton Place ; on old logs in a 

 swamp at Stittsville, May 14th, 1897. 



316. Peltigera horizontalis, (L.) Hoffm. 



On moist rocks amongst mosses In woods near the lake at the 

 head of the Beaver Meadow west of Hull, Que., May i6iti, 1896. 



317. Peltigera rufescens, (Neck ) Hoffm. 



On earth, rocks, the bases of trees and amongst moss. On 

 rocks in Rockcliffe Park, Beechwood Cemetery, and Ottawa East on a 

 boulder; on rocks rear of Cowley's Farm west of Hintonburg ; on old 

 logs Dow's Swamp ; on earth at Britannia ; common on earth and rocks 

 south of the Aylmer road, Hull, Que.; on earlli in a sw.nnip at Stittsville ; 

 on rocks near summit of King's Mountain, May 22nd 1897. 



