1078 ERIGERON. [CLASS XLX. ORDER If, 
A very doubtful native, probably escaped from gardens, or brought 
from the Continent, where it is a very common plant on sandy banks, 
old walls, and in dry waste places. 
2. LH. a'cris, Linn. (Fig. 1279.) Blue Flea-bane. Stem erect, 
branched, the branches one to three flowered; leaves distant, linear 
lanceolate, hairy, the lower ones petiolated ; florets of the ray erect. 
English Botany, t. 1158.—English Flora, vol. iii. p. 423.—Hooker, 
British Flora, ed. 4 vol. i. p. 803.—Lindley, Synopsis, p. 144. 
Root fibrous, the whole plant rough, with short pubescence. Stem 
erect, from one to one and half feet high, simple below, branched in 
a paniculated manner above, striated, often purplish. Leaves of the 
stem linear lanceolate, obtuse, sessile, scattered, distant, the lower and 
radical ones obovate, obtuse, petiolated, the petiole woolly. lowers 
one, two, or three upon the branches. Jnvolucre of linear lanceolate 
or awl-shaped scales, downy, erect. Jorets tubular, those of the ray 
with a rather short erect lip, purple, those of the disk yellow, five-cleft, 
much concealed by the long brownish pappus, roughish. J ruit ob- 
Jong, compressed, downy. 
Habitat.—Dry gravelly or chalky pastures, on old walls, &c. 
Biennial ; flowering in July and August. 
3. H. alpi'nus, Linn. (Fig. 1280.) Alpine Flea-bane. Stem erect, 
mostly single flowered ; leaves lanceolate, hairy, lower ones petiolated, 
sub-spathulated ; pappus shorter than the florets of the ray ; involucre 
hairy. 
English Botany, t. 464.—English Flora, vol. iii. p. 424—Hooker, 
British Flora, ed. 4. vol. i. p. 303.—Lindley, Synopsis, p. 144. 
Root somewhat woody, branched, and fibrous. Stem erect, from 
four to six inches high, round, leafy, striated, hairy, mostly termi- 
nating in a single flower, sometimes there are two or three. Leaves 
hairy, those of the stem lanceolate, scattered, distant, the radical ones 
oblong, spatulate, petiolated, numerous, spreading. Involucre of 
lanceolate erect scales, more or less hairy or woolly. Florets nume- 
rous, those of the ray with a longish narrow ligulate limb, of a light 
purple colour, spreading, those of the disk yellow, tubular, with a 
short five cleft limb. J ruit small, pale, ovate, compressed, silky. 
Pappus of erect rough silky hairs, shorter than the florets. 
Habiiat.—Moist rocky places on mountains ; Highland Mountains 
of Scotland, not common, except on the Breadalbane range. 
Perennial ; flowering in July. 
The F. uniflora, Linn, English Botany, t. 2416, English Flora, 
vol. iii. p. 424, is the Z. alpinus, P., Hooker, British Flora, ed. 4. 
vol. i. p. 303, and Lindley, Synopsis, p. 144. 
The difficulty of limiting the species of these alpine plants, when 
their characters are those of size, hairiness, and a slight difference in 
