136 ENGLISH BOTANY. 



SPECIES I.-P I ORIS HIERACIOIDES. Linn. 



Plate DCCXCVI. 



Billot, El. Gall, et Germ. Exsicc. No. 2871. 



Reich. Ic. El. Germ, et Helv. Vol. XIX. Tab. MCCCLXXV. 



Biennial. Stem eorymbosely branched, with the branches 

 usually spreading. Radical leaves linear-oblanceolate ; stem-leaves 

 strapshaped ; upper leaves lanceolate, generally semi-amplexicaul ; 

 all repand or sinuate- dentate, often undulated at the margins. 

 Anthodes corymbose. Pericline not strangulated in fruit ; phyl- 

 laries downy and ciliated, hispid with hooked hairs towards the 

 base. Achenes fusiform-cylindrical, transversely striate, not beaked. 



Var. a, gemiina. 

 Plate DCCXCVI. 

 P. hieracioides, Jord. Boreau, El. du Centre de la Fr. ed. iii. Vol. II. p. .371. 



Branches divaricate. Anthodes in an irregular corymb. 



Var. 3, arvalis. 



P. arvalis, Jord. Boreau, El. du Centre de la Er. ed. iii. Vol. II. p. 371. 



Stem with the branches spreading-ascending. Anthodes in 

 an umbellate corymb. 



Borders of fields and waste places. Common in chalky dis- 

 tricts, and sparingly distributed over the greater part of the South 

 and East of England. Var. I have seen from near Groby 

 Pool and Market Bosworth, Leicestershire. 



England, Ireland. Biennial or sub-perennial. Late Summer 



and Autumn. 



Stem rough with bristly hairs hooked at the apex. Radical 

 leaves variable in breadth, attenuated into an indistinct petiole ; 

 stem-leaves more attenuated towards the apex, sometimes broad 

 towards the base, sometimes attenuated ; all commonly undulated. 

 Peduncles slightly thickened beneath the anthodes. Pericline 

 oblong-ovoid in bud, conico-cylindrical after flowering ; outer phyl- 

 laries spreading-recurved. Achenes reddish-brown marked with 

 contiguous transverse interrupted blunt elevated lines, not beaked. 

 Pappus deciduous, of silky plumose hairs. 



Var. 3 is a more slender plant, with the branches less divaricate, 



the^ leaves narrower towards the base, and the main peduncles 



springing mostly from one point, scarcely thickened below the 



heads. ^-r 7 , ^ 



Mawk-weed Ox-tongue. 



French, Picride Eperviere. German, HaUchtskrautdhnlicher Bitterich. 



