60 
2. A. MILLEFOLIUM. Common Yarrow, or Milfoil. June — August. 
In meadows, pastures, and by road sides, abundant. A beautiful 
pink or red variety may often be found on the banks of the Ouse. 
The larva of Aspilates gilvaria, (the Straw Belle,) feeds on it. 
19. BIDENS. 
1. B. TRIPARTITA. Three-lobcd Bur-marigold. August — September. © 
In watery places, frequent. Not found in the parish of Halifax. 
2. B. CERNUA. Nodding Bur-marigold. September. © 
Ponds at Fulford, near York. In a pond on the west side of Castle 
Howard Park. Bolton beck, near the village. 
The radiated var. /3. coreopsis bidens, Linn. Sp. pi. 1281. 
On Tilmire, near York. 
y. (B. MINIMA.) Near Sesa-pond, Castle Howard Park. 
TRIBE II. CYNAROCEPHALiE. 
20. ONOPORDUM. 
1. O. ACANTHiUM. Cottou-thistle. July — August. ^ 
Woods and waste grounds. Near Castle Howard, frequent. 
21. CNICUS. 
1. C. LANCEOLATUS. Spear Plume-thistle. June — September. ^ 
In waste ground, very common. 
2. C. PALusTRis. Marsh Plume- thistle. July — August. ^ 
III watery places by road sides. Buttercrambe moor, near York. 
3. C. ARVENSis. Creeping Plume-thistle. July. 1/ 
In cultivated fields and by way sides, very frequent. 
4. C. ERioPHORus. Woolly-headed Plume-thistle. August. ^ 
On limestone. Wetherby. Thorp Arch. From Market Weighton 
to Londesbro’. Near Copgrove. Pastures near Ripon. Near Sand 
Hutton. Helmsley. 
5. C. HETEROPHYLLus. Melaucholy Plume- thistle. July — August. 1/ 
In moist mountain pastures. Banks of the Tees in several places, 
and near the High force, abundantly. In a small wood near Gig- 
gleswick Tarn. Skirrith wood, near Ingleton. Near Askrigg, 
Wensleydale. Banks of the Greta, above Greta bridge. In a mea- 
dow near the New bridge, Downholme. Near Hawes, Wensleydale. 
Newton dale, seven miles north of Pickering. At Dean-Head, in 
Barkisland, and other places, near Halifax. 
