2l8 BARNES: MOSSES OF YORKSHIRE AND DURHAM. 



GRIMMIACE.l-:. 



**Rhacomitrium ellipticum Turn. On the summit of Green 



Fell, Upper Teesdale. 

 Ptychomitrium polyphyllum Dicks. Holwick Wood (T.) ; 



On wall near Eglestone Abbey (T.) ; Roxby (C) ; Skelton (C) ; 



Slape Wath (C). 

 Amphoridium Mougeotii B. & S. On moist rocks above 



Slape Wath (C). This, like other species referred to, grows 



somewhat plentifully on most of the scars of the Western 



dales, but in Cleveland, and especially in this portion of it, 



it appears with a marked uncommonness. In Swaledale, 



descending to Richmond. 

 Zygodon viridissimus Dicks. Fruiting on elm on the south 



side of the Tees near Gainford. 

 *Zygodon viridissimus var. rupestris Lindb. In Swaledale 



on limestone rocks, Kisdon Scars, East Stonesdale, and 



Richmond. 

 *Zygodon Stirtoni Schpr. On rocks by the Tees near Ovington. 



In Swaledale at Kisdon Scars and Richmond, in fruit. In 



Cleveland at Kilton and Saltburn. 

 Ulota crispuia Bruch. High Force (D.) ; Richmond (S.) ; 



Kilton (C); Roxby (C). 

 Ulota phyllantha Brid. On trees, mostly ash, at Brotton (C.) ; 



Saltburn (C.) ; Slape Wath (C.) ; Upleatham (C.)- 

 Orthotrichum cupulatum Hoffm. var. nudum Dicks. By 



stream-side near St. Lawrence's Ruins, Gainford (T.). 

 Orthotrichum fastigiatum Bruch. On ash trees at Gain- 

 ford (D.), and Richmond (S.). 

 Orthotrichum stramineum Hornsch. Mostly on ash and 



elm-trees, sometimes on rocks. Holwick (T.) ; Winch 



Bridge (D.); Gainford (D.) ; Richmond (S.) ; Catterick (S.) ; 



Kilton (C.) ; Roxby (C.) ; Saltburn (C.) ; Skelton (C). 

 Orthotrichum tenellum Bruch. On trees in hedge-rows. 



Richmond (S.) ; Slape Wath (C). 

 Orthotrichum pallens Bruch. In hedge-row near Darling- 

 ton (D.). New to South Durham. 

 Orthotrichum pulchellum Sm. On willow and elder in 



hedge-rows, Loftus (C.) ; and on trees at Roxby (C). 

 Orthotrichum Lyellii H. & T. In fruit, on trees near Muker, 



Upper Swaledale. 

 Orthotrichum Sprucei Mont. On trees, mostly willow, by the 



side of Skeeby Beck near Brompton-on-Swale. 



