252 TRANSACTIONS OF THE [ Sess - lxxviiu 



here is more open, and the Point is exposed to the full 

 force of southerly and south-westerly gales, which sweep 

 up the Firth of Clyde. 



The same three associations are found as before. 



1. Shingle. — Beginning at the signal station, or westerly 

 point of this portion of our coast-line, we find that the 

 familiar and characteristic " shingle fringe " still continues, 

 containing in great abundance Atriplex patula, Linn. ; 

 Matricaria inodora, Linn. ; Potentilla anserina, Linn. ; 

 Rumex crispus, Linn. ; Galium Aparine, Linn. ; Stellaria 

 media, Vill. ; but to these are now added Raphanus 

 maritimus, Sm. ; Agropyrum repens, Beauv. ; Arenuria 

 peploides, Linn. ; the latter suiting itself equally well to 

 the conditions of shingle or salt-marsh, as indeed does 

 also Atriplex. Less frequent and typical are Polygonum 

 Aviculare, Linn. ; P. Persicaria, Linn. ; and Rumex obtusi- 

 folius, Linn. ; while, in addition, on the upper edge of the 

 shingle, there also now appear Artemisia vulgaris, Linn. ; 

 Polygonum Convolvulus, Linn. ; and Convolvulus arvensis, 

 Linn. 



Between the signal station and the lighthouse these 

 shingle plants are bordered on the upper side by a rank 

 meadow vegetation in which Centaurea nigra, Linn. ; 

 Heracleum Sphondylium, Linn. ; Daucus Carota, Linn. ; 

 ArrhenatJierum avenaceum, Beauv. ; Geranium pratense, 

 Linn. ; and Plantago lanceolata, Linn., are conspicuously 

 plentiful. 



After rounding the Point, and continuing towards the 

 Innellan boundary, we find, in addition to the common 

 plants already mentioned, Tussilago Farfara, Linn. ; 

 Rumex Acetosa, Linn. ; R. Acetosella, Linn. ; Sonchus 

 oleraceus, Linn. ; and Silene maritima, With. 



Bordering Plants. — At the top edge of the shingle, 

 usually on the border line of inland vegetation, occur 

 quantities of Agropyrum repens, Beauv. The chief 

 bordering formation is a coarse meadow herbage, amongst 

 which the following species (peculiar in this neighbour- 

 hood to such localities) are to be noticed : Geranium 

 pratense, Linn. ; Ononis spinosa, Linn. ; and Linaria 

 vulgaris, Mill. Among the bordering plants are also 

 found Ulex europaeus, Linn. ; Rubus fruticosus, Linn. ; 



