94 The Ottawa Naturalist. [August 



XXV. STEREOCAULON, Schreb. 



367. Stereocaulon paschale, (Ach.) 



Abundant on damp shingle along the C. P. R. west of Biitannia, 

 April 20th, 1895 ; on boulders in pastures, Ottawa East, and almost 

 everywhere around Ottawa ; on boulders around Hull, quite common ; 

 also on boulders near the Catholic Cemetery, Hull ; on boulders in 

 fields at Stittsville ; on boulders at King's Mountain. 



XXVI. CLADONIA, Hoffm. 



368. Cladonia alcicornis, Floerk. 



On limestone boulders, in shade, south of the Aylmer Electric 

 Railway and west of the C. P. R., Hull, Que., April 27th, 1895 ; on 

 earth on stones alon^ Brigham's Creek ; on limestone rocks between 

 Aylmer and King's Mountain. 



369. Cladonia mitrula, Tuckerm. 



On earth at the base of pine stumps west of Britannia, Oct. nth, 

 1890. 



370. Cladonia cariosa, Floerk. 



On eanh on stones by a fence, Ottawa East, April 14th, 1897 ; on 

 earth at the base of a stump in woods, Leamy's Lake; on old rails 

 near Aylmer. 



371. Cladonia pyxidata, Fr. 



On earth, rocks, old logs and old fence rails. Old rails, Stewart's 

 Bush, Ap:il i2lh, 1895 ; on boulders, earth and old stumps, Rockcliffe 

 Park ; common on earth and pine stumps at Britannia ; on old pine 

 logs and limestone rocks, Aylmer Road, Hull, Que. ; on boulders, 

 borders of Dow's Swamp ; on boulders, Ottawa East and Billings' 

 Bridge ; on boulders along Brigham's Creek ; on old rails and stones 

 near Aylmer. 



372. Cladonia fimbriata, (L.) Fr. 



On pine stumps, "Pme Hill," Rockcliffe Park, April 14th, 1895 .• 

 on cedar stumps in Dow's Swamp ; and also in a swamp east of Beech- 

 wood Cemetery ;on the base of stumps in woods west of Hull Station ; 

 on the base of stumps in a swamp at Stittsville; on o!d rails near 

 Aylmer and King's Mountain. 



373. Cladonia fimbriata van tubaeformis, Fr. 



On pine stumps and old pine logs at Rockcliffe Park, April 17th, 

 1895 ; on pine logs and stumps at Britannia ; on rotten pine logs and 

 stumps south of the Aylmer Road, west of Hull, Que. ; on old logs in 

 Dow's Swamp ; on dead wood in woods near Leamy's Lake ; on old logs 

 in a swamp at Stittsville ; on old rails near Aylmer and King's 

 Mountain. 



