37 2 The Scottish Naturalist. 



Artemisia Absinthium. R. Dick in Watson's MS. 

 Tussilago Farfara. 



Common. 



Petasites vulgaris. 



Lybster. Dick herb. Thurso, Canisbay, Bilbster ! Wick. 

 The specimens on the banks of the Thurso River, near 

 the railway, are probably albus. J. F. Grant. 



Senecio vulgaris. 



A common weed. 



S. sylvaticus. 



Walls and roofs of houses, not so frequent as .S". vulgaris. 

 S. Jacobaea. 



Thurso, Berriedale, Reay, John o' Groat's. Very local, and 

 usually found on sandhills by the sea. 

 S. aquaticus. 



Very common. G. Nicholson. Especially on a poor soil.. 

 Arctium nemorosum. 



Sandhills. Reay. Rev. W. R. Linton. ! 

 A. minus. 



The commonest form, especially by the sea. 

 A. intermedium. 



"Rev. W. R. Linton: 1 

 Cnicus lanceolatus. 



Abundant. 

 C. palustris, wet fields and ditches, common. 

 C. heterophyllus. 



In subalpine situations. Thurso River, Reisgill Burn, Scorriclett. 

 C arvensis. 



Abundant. 



var. setosus Railway cutting at Georgemas. 

 Saussurea alpina. 



Sea cliffs 2 miles east of Thurso. G. Lforn. '. 



Centaurea nigra. 



Common, 

 t C Cyan us. 



Corn fields probably introduced, 

 t Cichorium Intybus. 



Com fields introduced. 



(To be continued.) 



