340 SYNGENESIA— POLYGAMIA-iEQU. SonchiH. 



inner. Leaves lanceolate, wavy ; radical ones toothed. 

 Down sessile. Stem rough. 



P. hieracioides. Lhm. Sp. Fl.[l\5. mikl.v.3.\:)56. Fl.Br.8\5. 

 Engl. Bui. V. 3. /. 190. Hook. Scot. 226. FL Dan. t. 1522. 



P. n.24. Hall. Hist. V. I. \i. 



Hedypnois hieracioides. Huds. 342. 



Hieracium asperum majori floie, in agrorum limitibus. Rail Syn. 

 167. Bauh. Hist. v. 2. 1029./. 



H. asperum. Ger. Ein. 298./. 



Curled Hawkweed. Petiv. H. Brit. t. 1 2./. 1 1 . 



On dry banks, or in the borders of fields, on a gravelly or chalky 

 soil. 



Biennial. July, August. 



Herb dark green, rough with short, coarse, not bristly or pungent 

 hairs. Stem 3 feet high, with many spreading leafy branches, 

 furrowed, solid, often purplish ; the ultimate subdivisions un- 

 equally corymbose. Leaves acute, wavy, lanceolate j the ra- 

 dical ones unequally and broadly toothed, on borderedfootstalks ; 

 upper somewhat heart-shaped, and clasping, at the base. Fl. 

 bright yellow, rather larger than the last, solitary, on bracteated 

 stalks J the bracteas scattered, lanceolate. Cal. rough with, often 

 forked, prominent bristles, among soft cobweb-like hoariness ; 

 the outer one loosely spreading, of similar scales to the inner, 

 but unequal, and all much shorter. Seeds furrowed and trans- 

 versely wrinkled like the foregoing. Down sessile, spreading, 

 unequal, slightly feathery, 



372. SONCHUS. Sow-thistle. 



Linn. Gew. 400. Juss.\69. Fl. Br.8\5. Tourn.t.268. Lam. 

 t. 649. Ga;rtn. t. 158. 



Common Cal. swelling at the base, of numerous, linear, im- 

 bricated, unequal, acute scales. Cor. compound, imbri- 

 cated, uniform; jiort-ts numerous, perfect, equal, ligu- 

 late, abrupt, with 4 or 5 teeth. Filam. 5, capillary. Anth. 

 in a cylindrical tube. Germ, rather obovate. Style thread- 

 shaped, full as long as the stamens. Stigm. 2, reflexed. 

 Seed-vessel none, the permanent calyx converging into 

 a depressed, orbicular, pointed form. Seed ohlong, rough- 

 ish. Z>ow7j of many simple hairs, sessile. Recept.uakedy 

 dotted. 



A rather large and very natural genus, of annual or peren- 

 nial, rarely shrubby, generally tall, milky, bitter plants, 

 with hollow stems ; and more or less pinnatifid or lyrate 

 leaves, toothed or prickly at their edges. The surface of 

 the herbage is usually smooth ; that of the injlorescence 

 hairy, or glandular, often viscid. Fl, yellow, rarely blue. 



