REVIEWS, BOOK NOTICES, ETC. SI 
southern uplands of Scotland are embraced in Chapter XII. In 
the former is included a full description of the various moorland 
associations and their distribution, with a short discussion on moor- 
land retrogression, the zonation of associations, and the effects of 
firing the heather. A brief account of the succession of plant 
remains in the peat mosses of the Northern Pennines is included, but 
a wider and more general account might have been expected in view 
of the amount of work that has been done by Dr. Lewis in this 
direction. 
Chapter XIII. is devoted to the arctic-alpine vegetation. Follow- 
ing a general account of the distinguishing features of this type of 
vegetation and its distribution is an ecological analysis of the 
vegetation of Ben Lawers. This is divided into three zones, of 
which the uppermost forms the zone of arctic-alpine vegetation. 
Three plant formations are recognised: (1) Arctic-alpine grassland ; 
(2) the formation of the mountain-top debris ; (3) the arctic-alpine 
chomophyte formation. The influence of physiography on the 
water supply, snowfall, insolation, and shelter from winds, and their 
effects on the vegetation, are discussed at some length. 
In Chapter XIV. the vegetation of the sea-cuast is described, and 
illustrated by beautiful photos. With a general account of the plant 
associations and conditions of life of the salt-marsh and sand-dune 
formations, and of the shingle-beach communities, are special 
descriptions of the salt marshes of the Hampshire coast, the sand- 
dune vegetation of the Lancashire coast, and the maritime formations 
of Blakeney Harbour. ‘The relations of the topography and plant 
associations are shown in interesting sketch-maps. 
THe BoranicAL EXCHANGE CLUB AND SOCIETY OF THE BriTISH 
Istes. (Balance Sheet; Secretary's Report for 1910.) Report 
for 1910 by the Editor and Distributor, C. E. Moss, B.A., D.Sc., 
F.R.G.S., The Botany School, Cambridge. Vol. ii. Published 
by James Parker & Son, 27 Broad Street, Oxford, 1911. 
Price 5s. [Pp. 489-610. ] 
In this Report, as in recent years, there is to be found much more 
than the title would lead one to expeet. Before the actual report 
upon the specimens sent in to the Club, are some thirty-eight pages 
of “Plant Notes for 1910, etc.” by that most energetic of botanists, 
Mr. Druce, who is the treasurer and secretary of the Club. Among 
these ‘‘ Notes” there is much of value and interest, and which we 
feel might well have been published in a more universally read 
periodical. From amongst these we have selected a few. The 
number preceding each note refers to Mr. Druce’s “ List.” , 
“581 5. Medicago minima, Desr., var. mollissima (Roth.).— Mollis- 
sima, foliolis . . . stipulis basi latioribus apice dentatis, pedunculis 
bifloris, leguminibus cochleatis 5-gyrosis, spinulis longis apice 
hamatis, ‘ Roth. Cat.’ 3, 74. Put under AZ. minima as var. longtseta, 
