340 SYNGENESIA— POLYGAMIA-iEQU. Sonchus. 



inner. Leaves lanceolate, wavy ; radical ones toothed. 

 Down sessile. Stem rough. 



p. hieracioides. Linn. Sp. PL 1 1 la. mild. v. 3. 15.56. /I Br.8\5, 

 Engl. Bot. V. 3. /. 1 96. Hook. Scot. 226. Fl. Dan. t, 1522. 



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



Hedypnois hieracioides. Huds. 342. 



Hieracium asperum majori flore, in agrorum limilibus. Baii Syn. 

 \67. Bauh.Hisi.v.2. 1029./. 



H. asperum. Ger. Em.29S.f. 



Curled Hawkweed. Petiv. H. Brit. t. 12./. 11. 



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 3 the ra- 

 dical ones unequally and broadly toothed, on bordered/oof s/«/A-s ; 

 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 cobvveb-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. Doan sessile, spreading, 

 unequal, slightly feathery. 



872. SONCHUS. Sovv-thihtle. 



Linn. Gen. \00. Juss. \69. F/. Br 815. Tourn.t.26S. Lr.m. 

 /. 649. r;rf>r/M. /. 158. 



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

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

 cated, uniform; ^o;-^/5 numerous, perfect, equal, lign- 

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

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

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

 Seed-vessel none, the permanent calyx converging into 

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

 ish. Doiim of many simple hairs, sessile. Becept, naked, 

 doited. 



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. 



