1282 HUMULUS, [CLASS XXII. ORDER IV, 
used to tan calf skins, and it also is used for dyeing yellow. A decoc- 
tion of the leaves is used as a vermifuge in the Highlands of Scot 
land, and the branches laid under and upon these beds is said to be 
so objectionable to vermin that it kept them away. In Isla and Jura 
the inhabitants use it for garnishing their dishes, and lay the leaves 
amongst their linen for the purpose of communicating a strong 
scent, and to drive away moths, &c. It is eaten by horses, but refused 
by cows and goats. 
ORDER IV. 
PENTAN’DRIA. 5 STAMENS. 
GENUS VII. HU’MULUS.—Lixy. Hop. 
Nat. Ord. Unicr'x. Juss. 
Gen. Cuan. Barren flowers in loose racemes. Perianth single, five 
partite. Stamens five, the anthers opening with two pores at the 
extremity. Fertile flowers oblong catkins or cones, its scales mem- 
branous, large, concave, persistent, having a single flower at the 
axis ofeach. Styles two. Fruit single seeded. Embryo spiral. 
—Name humus, rich soil or mould, in which the plant best 
flourishes. 
1. H. Lupu'lus, Linn. (Fig. 1545) Common Hop. 
English Botany, t. 427.—English Flora, vol. iv. p. 240.—Hooker, 
British Flora, ed. 4. vol. i. p. 276.—Lindley, Synopsis, p. 219. 
Root branched, creeping. Stem herbaceous, angular, twining, 
climbing to the height of several feet, branched, leafy, roughish. 
Leaves opposite, large, three to five lobed, coarsely serrated, heart- 
shaped at the base, rough, with minute points, dark green above, 
paler beneath, with prominent branched veins. Jvotstalks long, 
stout, channeled, united at the base, with lanceolate membranous 
stipules, pale, reflexed. Flowers pale, yellowish green, the barren 
ones in reflexed axillary panicles, the perianth in five oblong lanceo- 
late spreading segments, fertile flowers in oblong strobules, on slender 
axillary footstalks, its scale ovate, concave, acutely pointed, veiny. 
Habitat.—Thickets and hedges in various places. 
Perennial ; flowering in July. 
The fruit of the Hop is well known from being extensively used in 
the manufacture of beer and ale. The cultivation of the Hop plant 
was introduced into the South of England from Flanders, in 1524, 
and the fruit began to be used in the brewing of beer towards the end 
of the reign of Henry VIII, But the favour with which Hops are now 
CS i ae 
