PROCBKDmGS OF THE SOCIETY. 305 



emphatic protest against the scheme outUned by the weekly 

 journal The Countryside, whereby plants, «kc., were to be 

 established in colonies away from their native haunts. It was 

 agreed by the Society that it be left to Mr. Boyd and the 

 Secretary to prepare a note to be sent to the journal above 

 mentioned. 



Reports of Excursions to Shewalton (p. 294) and Tinto 

 (p. 296) were read. 



Mr. John R. Lee exhibited the moss Bryum Duvalii, Voit., 

 from Tinto. As far as Mr. Lee knew, this was the first record 

 for Clyde. It had hitherto only been found on heights such 

 as Ben Lawers, Ben More, ikc. 



Mr. Johnstone Shearer showed a white vainety of Ragged 

 Robin [Lychnis Flos-cuculi, L.). The specimen shown was grown 

 from seed collected from a white plant found at Millport three 

 years ago. Hooker mentions that the petals of this plant are 

 rarely white. 



Mr. P. Macnair read a paper entitled "Additional Notes 

 on the Geological Factors in the Distribution of the Alpine 

 Plants of the Highlands." At the outset he stated that the 

 object of his paper was to supply further details regarding the 

 secondary structures which had been set up in the Ben Lawers 

 schists by the intense folding to which they had been subjected, 

 and to emphasise again the importance of these structures in 

 determining the present distribution of the Alpine plants of the 

 Highlands. The great bulk of the rocks constituting the 

 Scottish Highlands consists of crystalline schists, originally of 

 sedimentary origin, which had been subjected to dynamic 

 metamorphism. These schists have been differentiated out into 

 well-marked zones, and it was shown that the Alpine plants 

 grew in greatest luxuriance on a band of schist known 

 as the Ben Lawers phyllite, wherever that schist rose to a 

 sufficient altitude, as in Ben Lui, the mountains to the north of 

 Loch Tay, and the Clova Mountains, in Forfarshire. Proceeding 

 to deal with the tectonics of the Highlands, the great axial lines 

 of folding were described, more particular attention being 

 directed to the structure of the ground north of Loch Tay, In 

 this region it was shown that a great facher, or fan-shaped 

 arrangement of the rocks, existed, and that the Ben Lawers 



