81 
are forms of the same species. ( Vide Cyb. Brit. ii. 33,) The last 
is by far the most frequent of the two. 
545. T. porrifolius, Linn. Denizen. English. 
Borders of fields and ditches, Cliffrig, Ayton ! — W. Mudd. Near 
Scarborough ! — W. Bean. 
HELMINTHIA. 
546. H. echioldes, Oaertn. Native. English. 
Picris, Flora, 63. 
PICRIS. 
547. P. hieracioides, Linn. Native. English. 
Dry banks and roadsides ; not unfrequent. Knavesmire, near York ; 
about Doncaster; and frequent near Thorp Arch — O. A. Moore . In 
a field between the north lane and the park at Headingley — A. 
Shipley. Mowthorpe Dale, near Castle Howard — H. Ibbotson. 
Banks near Battersby and Teme bridge, Cleveland! — W. Mudd. 
Roadside between Ayton and Scarborough! — A. O. Black. Banks 
between Rievaulx and Cold Kirby. 
THRINCIA. 
548. T. hirta, Roth. 
Apargia, Flora, 65. 
Native. 
English. 
APARGIA. 
549. A. hispida, Willd. Native. 
550. A. autumn alis, Willd. Native. 
English. 
British. 
HYPOCHCERIS. 
551. H. glabra, Linn. Native. English. 
On the common close to the inn at Banktop, near Barnsley — Mr. 
Wood (B. G. 708). Near Thorp Arch — S. Hailstone. Fields near Gan- 
thorpe — H. Ibbotson. The plant mentioned under this name in the 
Flora is erroneous. 
- 552. H. maculata, Linn. Incognit. 
The plant mentioned under this name in the Flora is an Hieracium, 
placed by Fries as a form of his caesium ; but which seems scarcely 
to agree with that species. 
553. H. radicata, Linn. 
F 
Native. 
British. 
