470 239. Senecio. 39. COMPOSITiE, C. PI. ex. cah 
Jacobaea latifolia, J. Bauhin Hist. PI. 2, 105T. 
Senecio aquaticus, Hudson FI. Angl. 366. 
Bogs and watery places; perennial; July and August. 
Stem branched ; leaves light green; calathides large; 
pericline bald. 
Jlosculosus. Calathides flosculous ; rays 0. 
y. lanatus . Stem and leaves rather woolly. 
2. Senecio laciniatus . Jagged groundsel. 
Stem upright, corymbose ; leaves lyrate, bipinnatifid, 
divaricated, toothed, bald ; pericline rather -cylindrical ; 
akenia of the centre hirsute, of the rays rather bald. 
Jacobea vulgaris, Raii Syn. 177, 1. 
Jacobea, Ger. em. 280. 
Jacobea vulgaris major. Park. 668. 
Senecio Jacobea, Lin. S. P. 1219. 
Ragwort. St. James’ wort. Stagger wort. Staner wort. Ragweed. 
Seggrum. 
Ruins and pastures; perennial ; July and August. 
Root fibrous; leaves blackish green, lobes wedgesh ape, 
toothed; calathides numerous; pericline bald, short. — Herb 
bruised recommended in cancerous cases ; dyes wool deep 
green, and alummed wool yellow. 
@. jlosculosus. Calathides flosculous ; rays 0. 
y. maritimus. Calathides flosculous ; plant hoary, cottony. 
3. Senecio tenuifolius. Thinleaved groundsel. 
Stem upright, villous; leaves pointed, toothed, slightly 
turned over ; beneath pale> pubescent ; pericline hemisphe- 
ideal ; akenium hairy. 
Jacobaea senecionis folio incano perennis, Raii Syn. 177, 2. 
Senecio erucifolius, Huds. FI. Angl. 366. 
Senecio tenuifolius, Jacq. Austr . 278. 
Woods arid waysides on chalk ; perennial ; 
Stem coryhibose; leaves stem-clasping ; calathides many; 
pericline downy ; bractecc weak. 
£. erucifolius. Herb less cottony ; lower leaves sessile. 
Senecio erucifolius, Curtis Ft. Lond. 294. 
4. Senecio squalidus. Squalid groundsel. 
Stem upright, branched; leaves pinnatifid ; lobes linear, 
toothed, distant; pericline hemispherical; rays spread, ek 
liptical, apex not cut ; akenium tomentose. 
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