332 THE MOSSES OF THE UPPER DOVEY. 



fragilifolia (Juratz). Found on Bala limestone where it crosses 

 Cwm Dyniewyd and Blaeu-y-pennaut. — ]>. suhulata L. Frequent 

 on walls and banks. — B. ruralis L. 



Ceratodon purpureus L. Common on banks, walls, and sandy 

 ground, 



Encalypta streptocarpa Hedw. Abundant on walls and Bala 

 limestone. 



Grimmia apocarpa L. Very common on rocks. — Var. rivularis 

 Brid. Abundant on mill-wheel at Aber Cowarch, and on boulders 

 in Dovey. — Var. pximila Schpr. Growing frequently with G. apo- 

 carpa. — G. torquata Grev. On dry alpiue rocks. — G. Doniana Sm. 

 Very abundant on rocks and stones. — G. ovata W. & M. 



Uliacomitrium patens Dicks. Wet granite rocks. — R. ellipticum L. 

 — Var. denticulatum Wills. — Fi. protensum Braun. On wet rocks. — 

 Fi. sudetkum, Bry. Brit. Wet alpine districts. — R. hcterostichum Hedw. 

 Frequent, rocks in subalpine districts. — Var. alupecunua Bry. Brit. 

 {Grimmia affinis Lindb.). Very abundant on wet granite rocks. — 

 Var. gracilescens Bry. Brit. (Grimmia ohtusa Lindb.). Abundant on 

 rocks on Aran. — R. fasciculare Schrad. Eocks in subalpine districts. 

 — R. lanuginosiim Hedw. Common on rocks, frequently in fruit. — 

 li. canescens Hedw. Very common on sandy ground. — Var. ericoides 

 Schrad. Near the margin of streams. 



Ftychomitrium poli/phyllam Dicks. Abundant. 

 Amphoridium Mougeottii Br. & Sch. Moist shady rocks, frequent. 

 Zggodon viridissimus Dicks. On trees, rather rare. 

 Ulota Bruchii Hornsch. On trees. — U. crispa Hedw. Very 

 common. — Var. intermedia Schpr. 



Orthotrichum riipestre Schleich. On trees. — 0. affine Schrad. 

 On trees, rather plentiful. — 0. stramineum Hornsch. — 0. tenelhini 

 Bruch. On poplar trees. — 0. diaphamun Schrad. On trees, rather 

 frequent. — 0. Lyellii H. & T. On old trees, very abundant. — 0. 

 leiocarpmn Br. & Sch. On trees, common. 



Splachnum spluericum L. 111. Wet moorlands. 

 Kntosthodon cricetorum Bals. Clay banks, frequent. — E. Templc- 

 toni Hook. Wet rocks and banks, not common. 

 Funaria hygrometrica L. Very common. 



Bartramia ithyphylla Brid. On banks and crevices of rocks, 

 frequent. — B. j^omiformis L. Banks and clefts of rocks, very 

 common. — B. Hatleriana Hedw. Damp rocks, common. 



Philonotis fontana L. About springs and streams, abundant. 

 Brcutelia arcuata Dicks. Wet rocks and banks, abundant; fruit 

 rather rare. 



Wehera polymorpha Hoppe. — W. elongata Dicks. — IF. nutans 

 Schreb. — W. cruda Schreb. Alpine rocks, rather rare. — W. albicans 

 Wahl. Abundant in fields and on clay banks. 



Zieria julacea Schpr. Crevices of rocks on Bala limestone. 

 Bryum, inclinatum Swartz. — B. intermedium W. & M. Walls, 

 not common. — B. himum Schreb. Bogs, frequent. — B. rnurale 

 Wils. Walls, not uncommon. — B. alpinum L. Very abundant on 

 most alpine rocks. — B. caspiticium L. Walls and rocks, common. 

 — B. argentenm L. Walls, not common. — B. capillare L. Very 



