FLORA OF OXFORDSHIRE. 409 
P. Flerkeanum, W. & M. 
Microbryum, Schpr. 
Fallow ground in fields and on banks; rare. October, November. 
Potato ground, side of road between Wolvercote and Yarnton; W. Holli- 
day and H. B., 1867. Its extreme minuteness may cause this plant to be 
overlooked and hence seem more rare than it really is. 
P. muticum, Schreb. 
Sandy ground in sheltered spots by woods and hedges; not common. 
November. Stockley Wood near Asthalleigh; between Shotover and 
Cuddesdon ; Chilswell Hills and Wootton, Berks. Tufted, hence much 
more readily seen than the last. 
P. cuspidatum, Schreb. 
Fallow fields, roadside banks, newly turned soil; common. Winter. 
P. bryoides, Dicks. 
Fallow fields, banks, etc., rare. Winter. Fields near Headington Wick 
Copse and Stow Wood; wall top, Iffey. This seems a connecting link 
between Phascum and the next genus to which some late writers re- 
move it, but the lid seems to be scarcely separable. 
POTTIA, Ebrh, 
P. minutula, Br. & Sch. 
Banks and fallow fields, occasionally. Winter. Witney; Minster 
Lovell ; Hampton Poyle; Cumnor Hill, etc. It came up in great abun- 
dance on the new-made banks of the river below Godstow in 1861. 
P. truncata, Linn. (Gymnostomum.) 
Newly exposed soil in moist and shaded places, not uncommon. Winter. 
Wychwood ; Watereaton; Iffey ; Headington, ete. 
P. intermedia, (Turn.) 
P. truncata, B, major, Bryol. Brit. 
Old walls and banks, not common. February. Cowley; Garsington ; 
Wheatley ; Hincksey. 
P. lanceolata, Dicks. 
Anacalypta, Roehl.; Bry. Brit. 
Turfy old walls and banks in light soil in shady places; frequent. 
February. Wychwood Forest; Noke; Watereaton; Kirtlington; Stan- 
ton St. John; Shotover Plantations; Holton Stone Pits; Stokenchurch ; 
Botley and Hincksey, Berks. 
LEPTODONTIUM, Hampe. 
L. flexifolium, Hook. & Tayl. (Didymodon.) 
Gravelly heathy spots in woods, and barren moorlands, rare. February. 
