-* 4-70 239.Senecio. 39. COMPOSITE, C. PL ex. cat, 



Jacobcea latifolia, J. Bauhin Hist. PI. 2, 1057. 

 Senecio aquaticus, Hudson Fl.J^ngl. 366. 



Bogs and watery places; perennial; July and August. 



Stem branched; leaves light green; calathides large j 



pericline bald. 



^. Jiosculosus. Calathides ^osc\Ao\\&', rays 0. 



y. lanatiLS. Stem and leaves rather woolly. 



2. Senecio laciniatus. ; .- ■ Jagged groundsel. 

 Stem upright, corymbose ; leaves lyrate, bipinnatifid, 



divaricated, toothed, bald ; pericline rather cyh'ndrical ; 

 akenia of the centre hirsute, of the rays rather bald. 



Jacobea vulgaris, Rail Syn. 177, 1. 

 Jacobea, Ger. cm. 280. 

 Jacobea vulgaris major. Park. 668. 

 Senecio Jacobea, Lin. S. P. 1219. 



Magwort. St. James' wort. Stagger wort. Starter wort. Ragweed. 

 Seggruvi. 



Ruins and pastures ; perennial ; July and August. 



Root fibrous; leaves blackish green, lobes wedgeshape, 

 toothed; calathides numerous; pericline bald, short. — Herb 

 bruised recommended in cancerous cases ; dyes wool deep 

 green, and alummed wool yellow. 



^. Jlosculosus. Calathides B.oscu\ous i rays 0. 



y, maritimus. Calathides ^oscxAows; plant hoary, cottony. 



3. Senecio tenuifolius. Thinleaved groundsel,. 

 Stem upright, villous; leaves pointed, toothed, slightly 



turned over ; beneath pale, pubescent ; pericline hemisphe- 

 Heal ; akenium hairy. 



Jacobaaa senecionls foiio incano perennis, Rail Syn. 177,2. 

 Senecio erucifoiius, Hiids. Ft. Angl. 366. 

 Senecio tenuifolius, Jacq^. ylustr. 278. 



Woods and waysides on chalk ; perennial ; 

 Stein corymbose ; leaues stem-clasping ; calathides many ; 

 pericline downy ; hractece weak. 



^. erucifoiius. Herb less cottony ; loiver leaves sessile. 

 Senecio erucifoiius, Curtis Fl. Lend. 294. 



4. Senecio squalidus. Squalid groundsel. 

 Stem upright, branched; leaves pinnatifid ; lobes linear, 



toothed, distant; pericline hemispherical; roy^ spread, el- 

 liptical, apex not cut ; «/fcwM?« tomentose. 



