REPORTS ON EXCURSIONS. 263 



as if the ground was a little too good for it ; while the 

 White Campion [Lychnis alba, Mill.) and Corn Blue-bottle 

 (Centaurea Cyanus, L.) afforded an occasional and pleasant 

 change of colour. 



As a further supplement to* the Society's excursion, the fine Elm 

 trees in the churchyard of Baldernock were visited, and their 

 measurements compared with those obtained in 1893. It was 

 found that the tree to the east had increased in girth 6 J in., 

 showing an average of "42 in. per annum ; while the tree in the 

 south-west corner had increased 6 in., = -38 in. per annum. The 

 measurements are as follows : — 



East tree — girth 13 ft. 1 in. at 3 ft. 6 in. ; bole 17 ft. ; 

 height in 1899, 83 ft. 



S.-W. tree— girth 13 ft. 9 in. at 4 ft. 10 in.; bole 10 feet; 

 height in 1899, 82 ft. 



Height above sea-level, 300 ft. 



Mr Alexander Ross reports that the Diptera captured at 

 Bardowie included the following species : — Trichocera fuscata, 

 Mg., T. hiemalis, Deg., T. regelationis, L., Tipula pagana, Mg., 

 Dicranomyia modesta, Mg.. Dixa nebulosa, Mg., Ilelophilus 

 vendulus, L , Leptis lineola, F., Ocydromia glabricula, Fin., 

 Hylemyia strigosa, Fab., Azelia cilipes, Hal., and Sepsis 

 cynipsea, L. 



Among the Microfungi noted, the most interesting species 

 was Pseudopeziza alismatis (Phil. & Trail) Sacc, obtained on 

 leaves of Alisma Plantago-aquatica, L., at the Lady Loch, 

 Dougalston. 



Supplementary Report on Mosses, Hepatics, and 

 Microfungi observed at Excursions. 



At various Excursions in 1907 and 1908, lists of the Mosses, 

 Hepatics, and Microfungi seen were carefully compiled. These 

 have been incorporated in the following Supplementary Report, 



