Dauwita. LXXV. COMPOSIT. 327 
very small, loosely corymbose ; rays minute.—Dry soil, Western States! S. to 
La. Plant of a greyish or bluish aspect, 3—6’ high, but at length spreading 
1—2f. Leaves 4—12” by 4—1". Rays purplish. June—Aug. 
\6, E. Canapense. Canadian or Common Fleabane. 
‘Invol. oblong; rays numerous, (40—50), crowded, minute; pappus simple; 
st. hairy, paniculate ; dvs. lanceolate, lower ones subserrate.—A very common an- 
nua! plant of no beauty, growing by roadsides and in fields, throughout N. Am. 
Stem 4—9f! high, branching, hairy and furrowed. Leaves very narrow, with 
rough edges. Flowers white, very numerous, small, of mean appearance, ir- 
regularly racemose upon the branches, and constituting a large, oblong panicle. 
The plant varies greatly in size, according to the soil. Aug.—Nov. 
14. CALLISTEPHUS. Cass. 
Gr. xaos, beautiful, orepos, a crown; characteristic of the pappus. 
Ray-flowers 2, numerous; disk-flowers 9; involucre hemispheri- 
cal; receptacle subconvex; pappus double, each in | series, outer 
series short, chaffy-setaceous, with the setze united into a crown ; in- 
ner series of long, filiform, scabrous, deciduous sete.—@ Exotics. 
Luvs. alternate. 
C. Cuinensis. Ness. (Aster Chinensis. Linn.) China Aster—St. hispid; 
branches divergent, 1-flowered; lvs. ovate, coarsely dentate, petiolate, cauline 
ones sessile, cuneate at base.—Said to be originally from China. Stem about 
18’ high, with long branches, each terminated by a single, large head. Rays 
dark purple. Disk yellow. July—Sept.—Cultivation has produced many beau- 
tiful and even splendid varieties, double and semi-double, with white, blue, red, 
flaked and mottled rays. j 
15. BELLIS. 
Lat. bellus, pretty ; a term quite appropriate to the genus. 
Heads many-flowered; rays 9 ; disk § ; involucre hemispherical, 
of equal scales; receptacle subalveolate, conical; pappus 0.—Low 
herbs, either © and caulescent or % and acaulescent. Hds. solitary. 
B. pERENNIS. Garden Daisy.—Rool creeping ; scape naked, single-flowered ; 
lvs. obovate, crenate-—2| Native of England and other parts of Europe, nearly 
naturalized in some parts of N. England in cultivated grounds. Scape 3 or 4’ 
high, with a single white flower which is single, double or quilled in the differ- 
ent varieties. Blossoms in the spring and summer months. 
16. DAHLIA. 
In honor of Andrew Dahl, a Swedish botanist, pupil of Linnzus. 
Tnvolucre double, the outer series of many distinct scales, the inner 
of 8 scales united at base ; receptacle chaffy ; pappus 0—% Splendid 
Mexican herbs. Lvs. pinnate, opposite. 
1. D, variaBitis. Desf. (D. superflua. Azt.)—St. green; rachis of the ls. 
winged; /fts. ovate, acuminate, serrate, puberulent or nearly smooth; outer 
invol. reflexed; ray fils. 9, sterile or fertile—These superb and fashionable 
plants are natives of sandy meadows in Mexico. They havecoarse and rough- 
ish leaves, resembling those of the common elder, but the flowers are large and 
‘beautiful, sporting into innumerable varieties, single and double, of every con- 
ceivable shade of scarlet, crimson, purple, red, rarely yellow, blooming from 
July until arrested by frost. 
2. D. coccinea. Cav. (D. frustranea. Ait.)—St. frosty, or hoary, hollow; 
lvs. with the rachis naked ; /fts. roughish beneath; oufer invol. spreading; rays 
neuter.—Stems about 4f high. Foliage rather glaucous. Rays scarlet, saffron- 
color or yellow, never purple or white——The Dahlias are generally cultivated 
by the divisions of the tuberous roots, which, as soon as the frost blackens the 
tops, are to be taken up and preserved through the winter in a dry place, free 
from frost. 
28* 
