SENECIO. 177 
Involucre often almost glabrous, pale. Florets yellow—In very 
wet seasons (Mag. Nat. Hist. v. 88.) and near the sea this plant 
is often thrice as large with numerous larger heads and the lower 
1. dentate, when it is the 8. maritima of authors.—Chalk downs ; 
8. on maritime rocks near Holyhead. P.? VI. E. 
24. (4.) Senecio Linn. 
* Florets all tubular, or the marginal ones ligulate but revolute. 
1. S. vulgaris (L.); 1. half-clasping pinnatifid, segments di- 
stant oblong obtuse and together with the rachis and auricles 
acutely and unequally toothed, lower 1. narrowed into a stalk, 
heads in clustered racemes, outer phyll. very short adpressed with 
black points, ray 0.—E. B. 747.—Smooth or woolly. St. 6—12 
in. high, branching. Heads small; involucre oblong-conical 
glabrous, florets yellow, fr. silky—8. radiatus (Koch); with a 
single row of ligulate minute revolute marginal florets.—Com- 
mop. A. I.—XII. Groundsel. 
2. S. viscosus (L.); %. deeply pinnatifid viscid glandular-hairy, 
segments oblong unequally toothed and lobed, heads im an irre- 
gular corymb, involucre viscid, outer phyll. half the length of the 
inner hairy, ray small revolute, fr. glabrous.—E. B,32.—St. 1—2 
feet high, much branched, spreading. Heads on long stalks, inv. 
cylindrical, fl. yellow.— Waste ground, rare. A. VII.—IX. 
3. S. sylvaticus (L.); 1. deeply pimnatifid downy, segments ob- 
long unequally toothed, heads corymbose, involucre downy, outer 
phyll. very short glabrous, ray small revolute, fr. silky.—E. B. 
748.—St. 1—2 feet high, erect, more or less branched, hairy. 
L. narrower than in the last. Involucres conical, florets yellow. 
—B8. lividus; upper 1. distinctly auricled and clasping. £. B. 
2515.—Dry and gravelly places. A. VII.—IX. 
** Heads with spreading rays. Leaves pinnatifid. 
*4, §. squalidus (L.); 1. pinnatifid glabrous, segments linear 
or oblong distant toothed irregular, heads loosely corymbose, m- 
volucre glabrous, outer phyll. few small, fr. silky —H. B. 600. 
S. chrysanthemifolius DC.—St. much branched, leafy, smooth. 
L. sessile, often auricled, deeply and irregularly lobed. Heads 
few, broad. Outer phyll. very small, sometimes very few. Many 
awlshaped scattered bracts below the heads. Florets yellow.— 
Walls. Oxford. Bideford, Devon. A. VI.—X. E. 
5. S. erucifolius (L.); 1. pinnatifid margins somewhat revolute 
downy beneath, lower 1. stalked, segments linear the lowermost 
smallest entire and clasping the stem, outer phyll. half as long as 
the inner, fr. all silky —E. B.574. 8S. tenwfolius aa 
I 
