1917- M'Ardle. — Bryophyta of Glen of the Downs. 79 



Webera albicans Schp. — Rare on clay banks of the stream, where it 

 grows in l<irge soft loose tufts 1 to 3 inches high, pale white or 

 glaucous green. 



Bryum capillare L. — Roadside wall ; common. 



* Milium cuspidatum Hedw.— Peaty banks ; frequent. 



M. undulatum L. — Ditch banks ; plentiful. 



M. hornum L. — Trunks of trees near the ground, and ditch banks ; 

 plentiful. A slender lax form grows on peaty banks, not fertile, 

 very distinct. 



M. punctatum L. — Among mosses in rocky places. 



M. rostratum Schrad. — Shady banks at 700 feet. 



Fontinalis antipyretica L. — In the stream, plentiful. 



Neckera complanata Hubn. — Trunks of trees and decayed wood ; common. 



Porotrichum alopecurum ?^Iitt.— Stones in damp places, very fine, with long 

 dendroid stems. 



Heterocladium heteropterum B. & S. — Wet rocks ; rare. *Var. fallax 

 Milde. — -Wet rocks at 500 feet, rare. 



Thuidium tamariscinum B. & S. — Damp bank wdth Diplophyllum albicans. 



Isothecium myurum Brid. — Trunks of trees, in large bright yellowish-green 

 patches ; frequent. 



Pleuropiis sericeus Dixon. — Roadside wall. 



Brachytheeium rutabulum B. & S. — Stones about the roots of trees ; 

 common. 



*B. velutinum B. & S. — Roots of trees ; frequent. 



B. populeum B. & S. — Damp sandy ground ; common. 



B. plumosum B. & S. — Decayed stumps of trees, and stones often sub- 

 merged ; frequent. 



B. purum Dixon. — Banks in the wood ; very common. 



Eurhynehium crnssinervium B. & S. — Rocks and stony ground ; rare. 



E. praelongum B. & S. — Banks, old wood and damp ground ; frequent. 

 Var. Stokesii (Turn.) — Moist places about the roots of trees. 



*E. Swartzii Hobk. — Damp banks among rocks ; not common. 



E. pumilum Schp. — Damp ground among rocks, growing in tufts of neat 

 strata ; rare. 



E. myosuroides Schp. — Trunks of trees and stones. A form with re- 

 markable fine leaf-points, and another very slender one, with delicate 

 branches, almost filiform, occurred very sparingly on dry rocky 

 banks at 700 feet, 



E. rusciforme Milde. — Wet rocks ; frequent. *A form occurred attached 

 to stones in a rivulet with Fontinalis antipyretica. It is not usual 

 to find the plant with aquatic habit and aquatic associates. 



E. confertum Milde. — On old wood ; frequent. 



Plagiothecium elegans Sull. — On the ground in the wood on the east side ; 

 plentiful at 300 to 500 feet, very fine specimens. (Plate II). 



P. sylvaticum B. & S. — On the ground ; frequent. 



P. undulatum B. & S. — On the ground among trees, very fine specimens 

 growing in large patches ; conspicuous on the slopes up to 600 feet 

 by its pale silky colour ; it presents the appearance of a Neckera, 



