i?o ANNALS OF SCOTTISH NATURAL HISTORY 



Rosa eglanteria, Z. (R. rubiginosa, L.\ In several places in the 

 hedges between Castleton and John o' Groat's, but probably 

 planted. 



K. spinosissima, Z. Thurso riverside, on the glacial clay cliffs. 



fPyrus aria, Ehrh. Planted about Castleton, and I also saw it in 

 a hedgerow. 



Parnassia palustris, Z. Very dwarf on the exposed turf of Holborn 



Head. 



tRibes alpinum, Z. In a hedge at Thurso. 

 |R. grossularia, Z. In a hedge near Castleton. 



Sedum roseum, Scop. On sea-cliffs, to within twenty feet of the sea- 

 level near Clairdon Head, and very plentiful on Holborn 

 Head, etc. 



Hippuris vulgaris, Z. In a pond near Berriedale. 



Callitriche stagnalis, Scop. Near Berriedale. 



Ligusticum scoticum, Z. Rather frequent in sheltered crannies in 

 the sea-cliffs. 



Angelica sylvestris, Z. Very dwarfed on the sea-cliffs near Murkle 

 Bay. 



Galium verum, Z., var. Morale, Breb. Murkle Bay, Dunnet Links, 

 Loch Durran. 



f Nardosmia fragrans, Presl. Thurso ; of course an escape. 



Tanacetum vulgare, Z. On sea-cliffs near Clairdon Head ; perhaps 

 native. 



Arctium intermedium, Lange. Near Scrabster. 



Matricaria inodora, Z., var. phceocephala, Rupr. Scrabster. 



Artemisia vulgaris, Z. Scrabster. 



Hieracium iricum, Fr. Scrabster cliffs. 



H. subanfractum, Marshall. Thurso, Rev. H. J. Riddehdell. 



H. gravestellum, Dahlst. (rhouiboides, Stenstr.). Thurso. 



H. cerinthiforme, Backh. Thurso, Rev. H. J. Riddehdell. 



H. Leyi, F.I.H. Thurso, Rev. H. J. Riddehdell. 



H. murorum, Z., H. silvaticuin, Gouan, var. phacotricum (Dahlst.). 



-Thurso, Rev. H. J. Riddehdell. 

 H. gothicum, Fr. Thurso. 



Senecio aquaticus, Huds. Very large flowered plants grew in the 

 Thurso meadows. 



Saussurea alpina, DC. Grew on sea-cliffs near Clairdon Haven, 

 only 20 feet above sea-level. The plants were from 12 to 20 



