Proc. Roy. Socy. of Edin.] 



[Vol. XXX. 



Fig. 79. — Site of a pool on tliejsaiids of Luee,^cliy because of drouglit. The bottom 

 is now covered with a sward composed of Hydrocotyle vulgaris, Peplis Portula, 

 and Carex arenaria. On the border of the j)ool great tussocks of Juncus etfusus 

 are in close proximity to Animophila arundinacea, which overgrows the sand 

 hill in the rear. 



Fig. 80. — View of the sands of Luce bordering the sea, looking along the sandj' 

 shore towards Glenliice. The dunes are everywhere caj)j)ed with Ammophila 

 arundinacea ; and at their base, quantities of dead Algse are partially engulfed 

 in the sand. 



Mr George AVest. 



[Plate 40. — Referred to on page 147. 



