ie 
158 CLASS XVIL 
fleshy bases, emarginate and pointed; egret plumose, sessile.—-(garden | 
artichoke.) 
B. Florets tubulous ; flower discoid. 
Eupa’to’r1um. Calyx imbricated (rarely simple) oblong; style long 
cloven halfway down; egret pilose, scabrous, or rough papillose; re 
ceptacle naked: seed smooth and glandular, 5 striate. — (boneset 
thoroughwort, joepye.) 
Order 2. Polygamia superflua. Florets of the disk perfect 
those of the ray having pistils only. 
A. Flowers discoid; the ray florets being obsolete. 
Tanace’tum. Calyx imbricate, hemispheric; scales acuminate, rays 
obsolete, 3-cleft; egret somewhat marginal; receptacle naked. (Flow- 
ers corymbed.)—(tansey.) 
GnapHa’tium. Calyx imbricate with the marginal scales rounded, 
scarious, shortish, glossy, coloured; receptacle naked ; egret pilose ot 
lumose, scabrous; florets of the ray subulate, of the disk entire. 
ometimes all the florets are perfect.— (life everlasting.) 
B. Flowers radiate ; the ligulate ray florets very manifest. 
(Receptacle naked.) 
As’trr. Calyx imbricate, the inferior scales generally spreading; 
egret simple, pilose; receptacle often deep pitted. Florets of the ray 
more than 10, except in a few species; colour purple or white, never 
yellow.—(star-flower.) 
Soxrpa’co. Calyx oblong or sub-cylindric, with oblong, narrow, 
pointed straight scales, imbricate, closed upon the flower; ray florets 
about 2, and fewer than 10, lanceolate, 2-toothed, equal to, or shorter 
than the calyx; filaments capillary, very short; style thread form, 
equalling the length of the stamens, stigma cleft, spreading; egret 
simple, pilose, scabrous; receptacle furrowed with dots or punctures; 
seeds oblong ovate —(golden rod.) 
CHRYSAN’THEMUM. Calyx hemispherical, imbricate, with the scales 
membranous at the margin; egret none, or a narrow margin.—(ox- 
eyed daisy, fever-few.) 
: Exotic. 
Beu’uis. Calyx hemispherical; scales equal; egret 0; receptacle 
conical; seed obovate.—(garden daisy.) 
Tace’tes. Calyx simple, l-leafed, 5-toothed, tubular: florets of the 
ray about 5, permanent; egret 5 erect awns.—(marigold.) 
(Receptacle chaffy or hairy.) 
An’tuemis. Caiyx hemispherical; scales with scarious margins, 
nearly equal; egret 0, ora membranous margin : florets of the ray more 
than 5; receptacle chaffs flat, with a rigid acuminate apex ; seed crown- 
ed with a membranous border or egret.-~-(may-weed, chamomile.) 
v 
Order 3. Polygamia Frustranea. Florets of the disk per- 
fect, those of the ray having neither stamens nor pistils. 
Hetun’ruus. Calyx imbricate, sub-souarrose, leafy ; receptacle 
