462 LXII. COMPOSITE. - [Eupatorium. 
Florets numerous or few, all tubular, Ee 5-toothed. Anthers 
A 
obtuse at the base. Style-branches elongated, o chenes 5-angled, 
without intermediate strim. Pappus of a ge series of beim bristles. 
— Perennial herbs or shrubs or very rarely annuals. Leave usually opposite. 
aoe er mostly corymbose. Green parts of the hast often sprinkled 
with re s dots. 
A vast genus, the great majority of species being American, a few ranging over eastern 
Asia, and one extendiug to Europe, and now introduced into Australia. 
zl. E. cannabinum, Li»».; DOC. Prod. v. 180. A perennial with 
erect stems of 3 to 4 ft., cx ed ege tie Ge divided to the base 
Florets eg 5, purple or rarely white.— Z. Lindleyanum, F. Muell. Fragm. 
v. 62, not of ‘DC. 
Very common in the temperate regions of the northern hemisphere in the Old Mies: it 
sux to have established itself on the Tweed river in IN. S. Wales. C. Stua 
9. AGERATUM, Linn. 
Involucre florets and style of Eupatorium. Achenes angular. Pappus of 
5 or 10 chaffy scales or bristles, a at the base.—Herbs with the oppo- 
site leaves and habit of Eupatoriu 
a small number of dé species, one of which is spread all over the 
warmer regions rof the globe. 
conyzoides, Linn.; DC. Prod. v. 108. An erect branching 
annual, 1 to 2 ft. high, more or Jess hirsute with spreading hairs Lea 
opposite, Deren ovate, crenate. Flower-heads rather small, in dense ter- 
Involueral bracts striate, acute, in about 2 rows. Florets 
Wrong ale blue or white. Achenes black. Pappus of 5 lanceolate 
awned chaffy scales, often serrate in the lower part.—Hook. Exot. eg 
F. Muell. Fragm. v. 62. 
of Leg d me Rockhampton, Dallachy. A common weed all over the warmer regions 
glo 
10. ADENOSTEMMA, Forst. 
by a globular or club-shaped gland.—Herbs, either glabrous or euin 
pubescent. Leaves opposite. "Rows benda usually hemispherical, $ small. 
of ge SC a very few American species, one of which Véier all round the warmer zone 
l. A. viscosum y Borst. DC. Prod. v. 111. Stem annual, ie? P 
ascending, rooting at the base, and possibly renewed a second year 2$ 
creeping rhizome or stolons, glabrous or glandular-pubescent, 1 to 
