AN EN OPADIA OF HORTICULTURE. | 483 
Dahlia—continued. | Dahlia continued. 
20ft. and upwards, less branched, and assuming more the aspect D. Mercki (Merck’s). .-Леайѕ white and yellow, or lilac and ` 
of a tree than any other species. (B. 88.) tHe Me a nine E. Sod кеше, кш h, 2ft. AST 
D. glabrata (smooth) А synonym of D. Mercki. to Mr. T. S. Ware. (B.M. 8878)" ena we are in 
T. 5 
D. M. Decaisneana (Decaisne's). -heads purple, with a golden 
WI disk, ama numerous. 1. Mad et divided. h. 3ft. (R. H 
D. superfiua (superfluous). A synonym of D. variabilis. 
D. variabilis (variable) —/L-heads very variable. August and 
September. 1789. This is UT the first species introduced, 
and whence by far the majority of forms now very common, have 
originated. ee Fig. 606. In the wild state, the central, or 
disk florets are said to be yellow, small, and tubular, and the 
marginal, or ray florets, only conspicuous and highly coloured 
in some shade of scarlet. SYNs. D. crocata, D. superjtua. 
D. viridiflora (green-flowered). /i.-heads pure self-green, Pom- 
pone size, double, and full-petalled. A curious monstrosity, of 
garden origin. 
Fic. 606. FLOWERING BRANCH OF A DOUBLE VARIETY 
OF DAHLIA VARIABILIS, 
VARIETIES. Subjoined is a large se 
garden Dahlias cultivated at the 1 : 
many of the new ones distributed i 
| varieties are numerous, and additional 
toe Some way obtained annually in each sectior 
X t aer | than likely that others of equal merit have been omit 
Ета. 605. FLOWERS AND LEAF OF DAHLIA MERCKI. The varieties with single flowers being now so nt 
$ a classification ged 
D. gracilis (slender) fl.-heads brilliant orange-scarlet ; involucral Ware, of Tott has м ОЕ 
bracts small narrow, Summer and autumn. 1.’ bipinnate, , enham, who makes th 
glabrous; leaflets ovate, coarsely crenate. A. 4ft. to 5ft. (R.G. | (and to whom we are indebted for F 
1.) Е га à Enpe them into four sub-divisions 
tmporialis imperial)* /t.-heads white, tinged wi ac, an e shape ы; 
* ed with bene A the base, drooping, чац ре of the flowers. 
i in large spreading panicles, 5%, to 5ft. across. A. lOft. 3 
to 12ft. Mexico, 1863. This remarkable and beautiful етет 
from its not flowering till late in the autumn, does not fully per- 
fect itself out of doors, and should, consequently, be removed 
` to the greenhouse or conservatory early in October. See Fig. 
603. (B. M. 5183.) 
Juarezii (Juarez’s).* Cactus Dahlia. fl.-heads brilliant scarlet ; 
florets beri denda D. other, and varying in length, thus givin 
e flower an appearance. Л, 3ft, A form whic 
under cultivation in Mexico. Very distinct and re- 
well worth the most extensive cultivation. See 
fully Reflexed flowers, that are inv 
and well adapted for exhibiti 
Fig. ok 
