The Scottish Naturalist. 



297 



in the course of these five miles ; but the plant is practically re- 

 stricted to Don's station. It would therefore seem not to be very 

 prone to naturalise itself. C. latifolia L. ; C. rapunculoides L. 

 and C. rotundifolia L. ; Calluna Erica DC. 



Primula vulgaris Huds. and P. veris L. ; Lysimachia nemorum 

 L. and Anagallis arvensis L. 



Fraxinus excelsior L. 



Symphytum officinale L. ; Myosotis oespitosa Schultz ; M. 

 palustris With. ; M. arvensis Hoffm. and M. versicolor Reich. 



Calystegia sepium Br. Common in willow thickets. Possibly, 

 but not certainly, an introduced species. 



Solanum Dulcamara L. 



Scrophularia nodosa L. ; Mimulus luteus L. ; Digitalis purpurea 

 L. ; Veronica arvensis L. ; V. serpyllifolia X. ; V. officinalis L. ; 

 V. Chamaedrys L. ; V. montana L. ; V. Anagallis L. and V. 

 Beccabunga L. ; Euphrasia officinalis L. and Rhinanthus Crista- 

 galli L. 



Mentha rubra Sm.; M. sativa L. and M. arvensis L. ; Origanum 

 vulgare L. ; Thymus Serpyllum Fr. ; Calamintha Clinopodium 

 Benth. ; Nepeta Glechoma Benth. ; Prunella vulgaris L. ; Stachys 

 palustris L. ; and S. sylvatica L. ; Galeopsis speciosa Mill, and G. 

 Tetrahit Bcenn. Lamium album L. ; Teucrium Scorodonia L. 

 and Ajuga reptans L. 



Plantago major L. and P. lanceolata L. ; Littorella lacustris L. 



Scleranthus annuus L. 



Chenopodium album L. and Atriplex patula L. 



Polygonum Convolvulus L. ; P. aviculare L. ; P. Hydropiper 

 L. ; P. Persicaria L. ; P. lapathifolium L. ; P. maculatum Dyer and 

 Trim. ; P. amphibium L. ; Oxyria digyna Hill ; Rumex sanguineus 

 L. (b. viridis Sibth.) ; R. obtusifolius L. ; R. acutus L. ; R. con- 

 spersus Hartm. ; R. crispus L. ; R. domesticus Hartm. ; R. Ace- 

 tosa L. and R. Acetosella L. 



Mercurialis perennis L. 



Ulmus montana Sm. and Urtica dioica L. 



Fagus sylvatica L. ; Betula alba L. ; Alnus glutinosa L. 



The island is very rich in willows. The north end, and a fringe 

 of varying width on the west side, are more or less covered by 

 dense thickets of these plants, innumerable seedlings of which 

 spring up on the barer shingles. The species which occur are 

 Salix fragilis L. , S. alba L. ; S. triandra L. ; S. purpurea L. ; S. 



