I860.] BRYOLOGY OF OXFORD. 317 



Tortula lavipila. Willows by the Cherwell ; by the Isis near 



Nuneham; Wychwood Forest; scarce. April, May. 

 Tortula ruralis. Walls, stones, thatch, in fruit occasionally; 

 sandy banks, near Stow Wood ; barren. March, April. 



Cinclidotus fontinaloides. Cherwell, near Water-Eaton ; Isis, by 



Godstow. April. 

 Encalypta vulgaris. Walls, etc., Shotover Plantations ; near 

 Bayswater Mill ; Hincksey ; Cumnor ; Salford, near Chip- 

 ping-Norton, etc. March. 



Schistidium apocarpum. Walls, etc. ; occasionally. February, 

 March. 



Grimmia pulvinata. Walls, etc. ; common. March, April. 



*Racomitrium canescens. " Shotover Hill," Sibthorp. I have 

 sought it in vain : probably extirpated by cultivation. 



Orthotrichum cupulatum. Variety riparium {O. nudum of Dick- 

 son). On a stone by the Cherwell, near Sparsey Bridge. 

 April, May. 



Orthotrichum anomalum. Shotover Hill ; Chilswell Hill ; near 

 Noke ; Ferry Hincksey, etc. May. 



Orthotrichum tenellum. On a W^illow, by the Cherwell, near Park 

 Town, and again a mile higher on the opposite side; be- 

 tweeen Wytham and Botley. Alay. Growing with O. affine 

 and O. diaphanum. 



Orthotrichum affine. Trees ; frequent. June. 



Orthotrichum Lyellii. Frequent in barren state ; fruit rare. Bag- 

 ley Wood ; Nuneham Park ; Hill Copse, near Stanton St. 

 John's. June, July. 



Orthotrichum diaphanum. Trees ; occasionally, especially on old 

 Willows by the Cherwell ; more rarely on stones. March, 

 April. 



Orthotrichum leiocarpum. Trees ; always sparingly. Edge of Bul- 

 lingdon Bogs ; Wychwood Forest ; Bagley Wood ; Birch 

 Copse. February, March. 



Orthotrichum crispum. Bagley Wood, in company with next, but 

 less plentifully. Fruit ripe in July and August. 



Orthotrichum Bruchii. Bagley Vi ood, in tolerable plenty in one 

 part of the wood ; Wychwood Forest, scarce. Fruit ripe, 

 September. 



Zygodon viridissimus. On one Willow by the Cherv.'eli. Barren. 



{To be continued.) 



