CONTENTS. 
Proceedings of the Botanical Society of Edinburgh 
PRESIDENTIAL ADDREss for Session 1910-11. By T. Bennet Clark, 
C.A. 
On the Peopling by Plants of the Subalpine River-bed of the Rakaia 
(Southern Alps of New Zealand). By L. Cockayne, Ph.D., F.L.S. 
(Plates IX., X., and XI.) 
Mites and Acarodomatia. By Professor G. F. Scott-Elliot, M.A, 
B.Sc., F.L.S. 
On Some British Hybrid Roses. By J. R. Matthews. (Plate XIL) . 
The Grassland of Orkney: An (Ecological Analysis, By G. W. Scarth, 
M.A. 
The Flora of the Fenland, as compared with that of the Bogs, Marshes, 
and Mosses of Scotland. By Arthur H. Evans, M.A. . 
Report of the Scottish Alpine Botanical Club, 1910. By Alexander 
Cowan, Esq. 
A New Leycesteria. By W. W. Smith 
Borthwickia, a New Genus of Capparidacee. By W. W. Smith . 
Pheothamnion Confervicolum, Lagerheim, and its first recorded 
Appearance in Great Britain. By F. L. M‘Keever, F.R.M.S. . 
Further Records of Flowering-Plants (Phanerogams) and Ferns from 
the Isle of May. By William Evans, F.R.S.E. . : - - 
PAGE 
104 
126 
135 
143 
164 
171 
173 
175 
176 
181 
