340 SYNGENESIA— POLYGAMIA-^QU. Sonchus. 



inner. Leaves lanceolate, wavy ; radical ones toothed. 



Down sessile. Stem rough. 

 P. hieracioides. Linn.Sp.PL\\\5. WUld.v.3. \556. f/. Br. 815. 



Engl. Bot. V. 3. t. 196. Hook. Scot. 226. Fl. Dan. t. 1522. 

 P.n.24. Hall. Hist. v.\.\\. 

 Hedypnois hieracioides. Huds. 342. 

 Hieracium asperum majori flore, in agrorum limitibus. Rati >Syv. 



167. Bmh. Hist. V. 2. 1029./. 

 H. asperum. Ger. Em. 298./. 

 Curled Havvkweed. Petiv. H. Brit. t. 12. f. 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 ; the ra- 

 dical ones unequally and broadly toothed, on hoxAextdi footstalks ; 

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

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

 stalks : 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. Gen. AQ{). Jms.s. 169. F/. Br 815. Tourn.i. 2m. Lum. 

 <. 649. Gcrrtn.t.Xft'i. 



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

 bricated, unequal, acute scales. Co7-. compound, imbri- 

 cated,, unitorm; ^o;7?/5 numerous, peifect, 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 oblong, rough • 

 ish. Down of many simple hairs, sessile. Recept. naked, 

 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 inflorescence 

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



