EXHIBITION MEETING, 1952 
67 
Ben Dearg in 1952, wliich hill was visited more than once by Dr. G. C. 
Druce (see Flora of U'Vst linss, 1928): — Drabu rupestris R. Br., Ceras- 
fittm (idiiuinchtonii (Edmondst.) Murb. & Ostenf. and liybrids with ('. 
vulgatum Jj., Saxifraga rivuUiris L., S. nivalis L. (not collected), Juncvs 
higlumis L. and Pou alpina L. 
Other plants shown from this area included Circaea intermedia 
Khrh., Betula nana L., Empetrinn hermaphroditum (Lange) Hagerup, 
Salix lapponiun L., Deschumpsia (dpitia (L.) Roem. & Schult., Milium 
effusum L. and Festnca idtissiiiui' All. The two last mentioned grasses 
occurred in the ravine of the Falls of Measach at Braemore. Gentian- 
ella sept enfrio noli s (Druce) E. F. Warb. occurred on two limestone out- 
crops near Ullapool, and Garex atrata L., C. vaginata Tausch and 
Juncus castaneus Rm. were shown from the Fannich hills. 
In addition two small specimens of Arenuria norvegica, Gunn. Iroin 
Morveru, Argyll, Westerness, together with a map showing the four 
known stations in Britain for this species. Two of these are on islands, 
Unst and Rhum, and two on the mainland of Scotland; near Inchna- 
damph in West Sutherland, and the new locality at Morvern, discovered 
in 1952 ill company with Dr. K. N. G. MacLeay. 
E. C. Wallace. 
The Distribution or ALCREMFLLA MINOR in Ireland 
Specimens wei-e shown of A. minor Muds. sec. Wilmottfrom its locality 
in Co. Leitrim, collected in August, 1952, and a photograph of the 
habitat, together with a short account of the autecology of the plant 
in its Irish and Yorkshire localities. 
A note is being prepared for publication. 
S. M. Walters. 
Some Little Known Segregates in the British Flora 
The purpose of this exhibit was to call attention to a number of 
pairs of species which, though recognised for varying periods abroad, 
have until recently been overlooked or misunderstood in Britain. De- 
si riptions of them will be found in The Flora of the British Isles (Clap- 
ham, Tutin and Warburg, 1952). The plants shown were : — Oxycoccus 
pidusfris Pers. and 0. microcarpus Turez., Monotropa hypopithys L. 
and Al. hypophegca Wallr., Alim.ulus luteus L. and M. guttatus DC.. 
Salix cinerea L. and S. atrocinerea Brot., Salix caprea L. subsp. caprea 
and subsp. sericea (Anders.) Flod. 
E. F. Warburg. 
An Interesting EUPHRASIA from Caithness 
The specimens shown were collected in heathy ground on top of sea- 
cliffs at Mid Clyth, Caithness, this summer. They were growing with 
E. micrantha Reichb., though the latter occurred in much smaller num- 
bers, and was, in this locality, constantly purple-flowered. Other species 
found nearby were E. foulaensis Wettst., E. occidentalis Wettst. and 
