454 ^^^ Account of the Excursions (191 2). [Sess. 



hard and others soft, is traversed by the winding Bilston 

 Burn. The curious effects of unequal denudation were 

 pointed out, also the puzzling appearance in the succession 

 and lie of the rocks caused by the windings of Bilston Burn. 

 The position of certain limestone bands was noted — such as 

 the " Gilmerton," represented in this place by a thick band of 

 ochre, the " North Greens," the " Vexhim," and the Bilston 

 Burn Limestone. The position of the " North Greens Coal " 

 and the " Yexhini Coal " seams was also observed, but de- 

 nudation has left but little trace of these seams, their site 

 being obscured with rubbish. 



On May 11 there was an excursion to Cramond Island, 

 under the leadership of Mr Charles Campbell. The weather 

 was favourable, and the attendance numbered fifty. The 

 birds noted were the great black-back gull, the sandwich and 

 the common tern, the wheatear, and the rock pipit. Among 

 the plants found on the island were — 



Cochlearia danica. Trifolium minus. 



Silene maritima. Draba verna. 



Sagina maritima. Sagina procumbens. 



Stellaria graminea. Plantago Coronopus. 



Cerastium tetrandrum. Ononis arvensis. 



Ligusticum scoticum. Cardamine hirsuta. 



Saxifraga granulata. Stellaria Holostea. 



Arenaria serpyllifolia. Digitalis purpurea. 



Nepeta Glechoma. Teucrium Scorodonia. 



Myosotis collina. Rumex crispus. 



Sedum anglicum. Carex praecox. 

 Vicia lathyroides. ,, hirta. 



The following Saturday, under the leadership of Mr James 

 L. Gray, the members, numbering forty-five, botanised the 

 grounds of Penicuik House. Among the plants gathered were 

 Saxifraga granulata (double-flowered) and the hen-and- 

 chickens forget-me-not. After tea the party was shown 

 over the gardens of Valleyfield House by Mr Alexander 

 Cowan. 



On May 21 (Victoria Day) twenty-five members, under 

 the leadership of Mr Cleland, visited Aberfoyle and district, 

 and among the plants gathered were Trientalis europcea^ 

 Antennaria dioica, and Drosera rotundifolia. 



On May 25, an excursion to Newliston, Eatho, had to be 

 cancelled, and one to Almond Dell was substituted. On the 



