106 
FLORA OF FORFARSHIRE. 
C. palustris, Willd. Marsh Plume Thistle. H. 182, B. 
173. — F. July, Augt. B. ( Carduus L.) 
In marshy ground, and by the sides of streams, frequent. 
C. arvensis , Iloffm. Creeping Plume Thistle. H. 182, 
B. 172. — F. July, Augt. P. ( Carduus , Curt. Serra- 
tula , L.) 
Waysides abundant throughout the county, and too preva- 
lent in the poorer corn fields. Plentiful on the Sands of 
Barrie, and about Dundee it is not uncommon with white 
flowers. Mr A. Croall says, “ I have been told by the work- 
men at the Hedderwick lime-quarries, that they have often 
found it penetrating with its roots the compact red clay that 
overlies the limestone, to the depth of 20 or 25 feet.” 
C. heterophgllus , Willd. Melancholy Plume Thistle. H. 
183, B. 174. — F. June, Augt. P. (Carduus, L.) 
Banks of the Isla and South Esk, from Strathmore to 
nearly their sources. The var. with deeply laciniated leaves 
occurs occasionally, both at Beeky Linn and Clova. 
Banks of the North Esk in Glen Esk, and on those of the 
South Esk, from Montrose to its source, Mr A. Croall. 
In Glen Clova the natives call the flower-heads of this 
thistle “ carl-doddies ,” a name applied, in the lower part of 
the county, to Plantago lanceolata and major. 
Carlina L. Carline Thistle. 
Br.sp.l. F. 1. 
C. vulgaris, L. Common Carline Thistle. II. 184, B. 
168. — F. June, Augt. B. 
Rocky banks of the coast from Arbroath to Montrose, not 
uncommon. 
Centaurea, L. Knapweed, &c. 
Br. Sp. and v. 8. F. 4. 
C. Jacea, L. Brown Radiant Knapweed. H. 185, B. 
169. — F. Augt. Sept. P. 
Discovered in a young plantation in Newbigging Muir, 
