414 FLORA OF OXFORDSHIRE. 
GRIMMIDZ. 
CINCLIDOTUS, Beauv. 
C. fontinaloides, Beauv. 
Attached to trees and stones in streams, April. River Evenlode 
near Ascott; Cherwell near Islip and Sparsey Bridge; Thames near 
Godstow; Sandford; Nuneham. Stems 3 or 4 inches long with numerous 
capsules. 
GRIMMIA, Ehrh. 
G. apocarpa, Hedw. 
On stones and stone walls, occasionally. March. Heyford; Witney ; 
Eynsham ; Shotover ; Islip; Hincksey ; Cumnor, etc. 
G. Pulvinata, Dill. 
Stone walls, roofs, ete. Common. March, April. In conspicuous 
grey-green cushions. 
G. orbicularis, Br. & Sch. 
Calcareous walls and rocks; rare. February. Cummor and Buckland, 
Berks. Sought unsuccessfully in Oxfordshire hitherto, but it ought to be 
found. 
Racomitrium canescens is recorded by Sibthorp as occurring at 
Shotover in the latter part of the last century, but seems to have dis- 
appeared by the middle of this. I could find no trace of it in 1856 and 
subsequent years, and it is probably quite lost to us. 
ZYGODON, Hook. & Tayl. 
Z. viridissimus, (Dicks.) 
Trunks of trees, not very common; fruit rare. April. Between Ban- 
bury and Bodicote; Blenheim Park; Bladon; Wychwood Forest; Witney; 
Eynsham; Yarnton; Watereaton; Marston. Wytham, Pusey, and Buck- 
land, Berks. 
ULOTA, Mohr. 
U. intermedia, Schpr. 
Trunks of trees in shady woods; rare. June, July. Wychwood 
Forest ; Stokenchurch woods; near Nettlebed and Ipsden; Bagley Wood. 
Very scarce here and small in growth as compared with specimens from 
Westmoreland or Scotland. It seems most widely spread throughout 
Britain of the group to which it belongs, and is often misnamed crispa or 
Bruchit by young collectors. 
ORTHOTRICHUM, Hedw. 
O. saxatile, Brid.; Wood in Phytologist, 1860. 
O. anomalum, Bryol. Brit. 
Caleareous walls an rocks; frequent. April. Woodstock; Bladon; 
Witney; Stonesfield; Islip and Noke; Shotover. Hincksey, Cumnor, 
and Buckland, Berks. The true O.axnomalum of Bryol. Europ. has sixteen 
