Senecio. | XLII, COMPOSITH. 247 
segments, coarsely toothed or pinnatifid, the terminal ones large and con- 
fluent, the lower ones smaller and distinct, all glabrous, or with a loose 
woolly down, especially on the under side. Flower-heads rather large, of a 
bright yellow, in a handsome, compact, terminalcorymb. Involucral bracts 
tipped with black, the outer ones few, and very small. Florets of the ray 
from 12 to 15, linear-oblong and spreading, occasionally but rarely 
deficient. Achenes of the disk covered with short hairs, those of the ray 
glabrous. 
On roadsides, in waste places, and bushy pastures, all over Europe and 
Russian Asia, except the extreme north. Very common in Britain. 7. 
summer, lasting till late. When eaten down, or checked in its growth, it 
will often assume the spreading inflorescence of S. aqguaticus, when it can 
only be distinguished by inspection of the achenes. 
7. S. erucifolius, Linn. (fig. 546). Narrow-leaved Senecio.—Very 
near S. Jacobea, but appears everywhere distinct. It is fully as tall, and 
has the same inflorescence and flower-heads, but the rootstock is shortly 
creeping, the leaves are much more regularly divided into narrower seg- 
ments, the terminal ones not very different from the others, and the 
achenes of the ray as hairy as those of the disk. The whole plant is 
generally more or less covered with a loose, cottony down. WS. tenuifolius, 
Jacq. ; 
The geographical area and stations are about the same as those of 
S. Jacobea. It is rather more common in central and southern Europe, 
but rather less so in Britain, and disappearing north of Lanark and Ber- 
wick; east Ireland only. £7. summer and autumn. 
8. S. paludosus, Linn. (fig 547). Fen Senecio.—Stem erect, 2 to 5 or 
6 feet high, scarcely branched. Leaves numerous, narrow-lanceolate, 
sharply toothed, more or less cottony on the under side. Flower-heads 
rather large, not very numerous, in a loose terminal corymb. Involucres 
almost hemispherical, the outer bracts few, short, and subulate. Florets of 
the ray from 12 to 16, yellow, linear, and spreading. 
In swamps and fens, in temperate Europe, extending northward to 
southern Sweden, but usually very local. Very rare in Britain, and re- 
stricted to a few spots in the fenland tracts of the eastern counties of Eng- 
land and the Channel Islands. Fl. summer. 
9. S. Saracenicus, Linn. (fig. 548). Broad-leaved Senecio.—An erect 
perennial, nearly allied to S. paludosus, but glabrous or nearly so, and not 
usually so tall. Leaves broadly or narrowly lanceolate, and more regularly 
toothed. Flower-heads much more numerous, and smaller than in S. palu- 
dosus, in a compact corymb. Involucres cylindrical or ovoid, with seldom 
more than 6 or 7 florets to the ray. 
In woods and shady places, almost all over the continent of Europe, 
extending in Russian Asia to the Arctic regions, although not found in 
Scandinavia. Very local in Britain, and chiefly in moist meadows and 
pastures in various parts of England and Scotland, possibly escaped from 
_ gardens, where it has been sometimes cultivated. In Ireland, in woods near 
Bantry. Fl. summer. 
10, S. palustris, DC. (fig. 549). Marsh Senecto—An erect and 
nearly simple annual or biennial, often covered with a loose grey down, not 
cottony as in S. campestris. Stem hollow, 1 to 2 feet high. Leaves lanceo- 
