I860.] BRYOLOGY OP OXFORD. 345 



Sphagnum cymbifolium. Bagley Wood; barren. 



Sphagnum squarrosum. Powder Hill Copse; barren, growing 



on a moist bank, among grass, imder the shade of bushes. 

 Phascum cuspidatum. Roadsides, fields, etc. ; frequent. Fruit, 



winter. 

 Phascum bryoides. Edge of a ploughed field adjoining Head- 



ington- Wick Copse; sparingly (1859). February. 

 Phascum subulatum. Sandy banks, Shotover Hill, Nuneham, 



Bagley Wood. March, April. 

 Weissia controversa. Sandy, tiu-fy hedge-banks, Shotover, near 



Baj^swater Mill; near Stanton St. John's ; near Islip by the 



Cherwell. April. 

 Dicranum varium. Shotover Hill; Bullingdon Boss; Bagley 



Wood, by the side of drains ; Iffley road, etc. November, 



December. 

 Dicranum heteromallum. Sandy banks, Shotover Hill; Head- 



ington-Wick Copse; Bagley Wood, etc. Nov., Dec. 

 Dicranum cerviculatum. Bullingdon Bogs, where turf had been 



overturned ; sparingly. June, July. 

 Dicranum scoparium. Fruit, Shotover Hill and Bagley Wood ; 



sparingly ; frequent barren. July, August. 

 Dicranum palustre. Shady banks, Shotover Hill ; Bagley Wood ; 



Wychwood Forest. Barren. 

 Leucobryum glaucum. Woods near Nettlebed. Barren. 

 Ceratodon purpureus. Sandy and gravelly banks at Shotover, 



Bagley Wood, etc. ; old walls, Islip, Ferry Hincksey, etc. ; 



pretty frequent. March and April. 

 Campylopus torfaceus. Light sandy ground, among bushes; Shot- 

 over Hill, Headington-Wick Copse, Birch Copse, Chilswill 



Farm. (Not October) April. 

 Pottia cavifolia. Mud walls and banks. — This little species 



grows abundantly on the limestone mud with which walls 



are topped ; millions may be seen sometimes in a winter's 



walk in some districts; it often accompanies three or four 



species of Tortula. The variety gracilis occurs occasionally, 



as at Noke, Islip, Cowley, etc., and might be taken for a 



Tortula; it looks very different from the common form. 



Fruit, November to February. 

 Pottia minutula. Banks by the roadside; Cumnor Hill; very 



scarce, only a dozen capsules. January, 1859. 



N. S. VOL. IV. 2 Y 



