CLASS XIX. ORDER 1. ] EUPATORIUM. 1059 
on the margin, smooth, and dark green above, pale and cottony be- 
neath, the lower ones ovate, lanceolate, rounded or heart-shaped at 
the base, with a long footstalk, the upper ones oblong, lanceolate, 
nearly sessile, the upper most sessile. lowers not very numerous, 
in a terminal sub-umbellate crowded cluster. Znvolucre oblong, 
downy, purple, the outer ones short, ovate, acute, the inner linear, all 
close pressed. Florets tubular, purple, the limb cut into five lobes. 
Anthers purple. Fruit ovate, compressed. Pappus of long silky 
feathery rays. Receptacle with narrow lanceolate scales. 
Habitat— Moist alpine rocks; frequent on the Highland Moun- 
tains of Scotland, Snowden. 
Perennial ; flowering in August. 
GENUS XXIII. EUPATO'RIUM.--Linn. Hemp-agrimony. 
Nat. Ord. Composi'ts. Juss. 
Gen. Cuar. Jnvolucrum oblong, cylindrical, imbricated, with ovate 
oblong scales. lorets few. Style much elongated. Receptacle 
naked. Pappus hairy —Named from Hupator, the surname of 
Mithridates, King of Pontus, who brought the plant into use. 
1. #. cannabi'num, Linn. (Fig. 1250.) Common Hemp-agrimony. 
Leaves opposite, sub-petiolated, three or five partite, their segments 
lanceolate, deeply serrated, the middle one longest. 
English Botany, t. 428.—English Flora, vol. iii. p. 401.—Hooker, 
British Flora, ed. 4. vol i. p. 300.—Lindley, Synopsis, p. 142. 
Root with very long fibres, somewhat creeping. Stems mostly 
several, three to four feet high, erect, round, striated, branched, leafy, 
downy, mostly of a brown or purple colour on one side. Leaves 
finely downy, dark green above, paler beneath, opposite with short 
petioles, three or five partite, the segments lanceolate, deeply and 
unequally toothed, the middle lobe the largest. lowers very nume- 
rous, small, pale pink or purplish, in crowded corymbose tufts, termi- 
nating the stem and branches. Jnvolucre oblong, cylindrical, smooth, 
the scales imbricated, the outer ones small, ovate lanceolate, the 
inner ones linear oblong, thin, membranous on the margin. lorets 
about six, tubular, the limb in fine short lobes. Fruit compressed, 
oblong. Pappus dirty white, of roughish hairs. 
Habitat— Watery and boggy places; frequent. 
Perennial; flowering in July and August. 
