Proc. Roy. Socy. of Edin. ] 
[Yol. XXX. 
Fig. 49. — Loch Roan. A patch of Anagallis tenella on the west shore. 
Fig. 50. — Loch Erncrogo from the north end, looking south-sonth-east, showing 
the swampy margin. Beyond the beds of Carex rostrata the shallower portions 
of the loch are overgrown with Castalia speciosa and Nymph tea lutea. 
Mr George West. 
[Plate 25 . — Referred to on page 129. 
