XVI. 
DAHLIA SAMBUCIFOLIA. 
Elder-leaved Dahlia. 
ORDO NATURALIS. 
Corymbiferze. Juss. Gen. p. 177. 
——eEe=>~—~—_——EeEeEE____ 
Sect. VI. Receptaculum foliolis calycinis persistentibus paleaceum. Pericarpium apice plus 
minus 2-dentatum. Flosculi exteriores sepius ligulati. 
Bractez 5-9, basi plana calycis imbricate, reflexe, spatulate, subequales. Calyx: polyphyllus: 
foliolis 7-9 exterioribus inferne in cylindrum simplici serie positis, interioribus sensim angusti- 
dogs 
interiore prominentiore, obsolete 2-dentatum. Plante alte rudesque, radice tuberosd fasci- 
culaté. Caulis teres, basibus petiolorum annulatus. Folia opposita, plus minus decomposita, aspera. — 
Flores autumnales, speciosi, pedunculis longis terminales, ramulis foliisque superioribus sensim mino= — 
ribus quasi paniculati, ante florescentiam cernui flosculis ligulatis nocte conniventibus. Genus Coreop- 
sidi e¢ forsan Uvedalie proximum, certo non Alcine 
D. foliis pinnatis; petiolo crasso, toto alato: flosculis ligulatis 13-2-pollices longis,, incurvo-. 
horizontalibus, 
-Variat a. Flosculi ligulati carnei. 
osculi ligulati pallide rosei, ¢. 16, . 
D. rosea. Thouin in Ann. du Mus. v. 3. p. 159. t. 3. f. 3. 
y. Flosculi ligulati purpurei. : ; 
D, pinnata. Haworth in Bot. Rep. n. 408, cum Ic, vix fideli. D.. pinnata, Cav.. Ic. v. 1, 
p. 57. t, 80, ad exemplar ligulis multiplicatis. 
Sponte nasciturin Mexico. 
Floret apud nos Septembri, Octobri. 
The beautiful plant figured in the annexed plate is ae a mere-variety of the Dahlia . 
Pinnata of Cavanilles, but it has been mistaken by that celebrated gardener Monsieur Thovin for. 
his Rosea, which isa very distinct species (if Cavanilles is to be trusted) with bipinnated leaves 5 — 
ed in the Annales du Museum, with the Pinnata, under the title 
of Purpurea. As all the species appear to vary like the Aster Chinensis, both in the colour and multi- 
bh . 
should be sheltered in the beginning of December with a thick covering of moss and straw. Un- 
til their seeds are more plentiful, they may be propagated by cuttings, and dividing the roots ; 
this last operation should be performed late in. the Spring, when the stems are just appearing 
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REFERENCES TO THE PLATZ. 
}. The Calyx. * 
2, An outer Paleaof the Receptacle. 
3. Aninner Palea.  _ 
4. Part of one of the ligulated Florets. 
5, The abortive Stigma contained in it.. 
6. A tubulose Floret. 
