CULTURE OF THE GENUS DIANTHUS. 
67 
may be propagated by division of the root, as Arctotis argentia , Ancilema nudi- 
jlora, &c. Others, such as Anchusa capensis, Humea elegans, Cynoglossum pictum, 
Manuled cheiranthus, &c. can only be propagated by seeds, which will, in general, 
ripen pretty freely. 
Stove Biennials. — These require different treatment to stove annuals (page 20) 
until they arrive at maturity. They may then be mixed among the other stove 
plants, and either be plunged in bark or otherwise, as may be found necessary. 
SELECTION OF CHOICE BIENNIALS. 
HARDY. 
Scarlet. 
Erythrsea aggregata 
Hedysarum coronarium 
Yellow. 
Centrocarpha triloba 
Purple. 
Eutoca multiflora 
Franldini 
Blue. 
Echium violaceum 
FRAME, OR HALF HARDY. 
Scarlet. 
Xpomopsis elegans 
Dianthus Cliinensis 
Purple. 
Verbena pulehella 
Salpiglossis atropurpurea 
ft. im 
0 3 
4 0 
4 0 
1 6 
1 0 
3 0 
2 0 
1 0 
1 0 
1 6 
Yellow. 
Salpiglossis Barclayana 
ft. in. 
3 0 
TENDER, OR GREENHOUSE. 
Blue. 
Ancilema nudiflora 0 6 
Anchusa Capensis 1 0 
Cynoglossum pictum I 0 
Scarlet. 
Humea elegans 6 0 
Purple. 
Anagallis latifolia 1 0 
Orange . 
Manulea cheiranthus 1 0 
Arctotis argentea 1 0 
— fatuosa 2 0 
CULTURE OF THE GENUS DIANTHUS. 
Almost all the species of this genus are held in great estimation, some for their 
peculiar beauty, and others for the delightful fragrance they emit. The annual 
species and varieties, as corymbosus , armeria, &c. require only to be sown as other 
annuals in the open border. The perennial herbaceous species differ very little as 
to their mode of treatment. 
The Dianthus Barbatus, or Sweet William, is an old and well-known 
inhabitant of our garden, and was much esteemed many years ago. The seed should 
be sown in May, with the other biennials. Prepare a bed of light earth, sufficiently 
large to hold the number of plants required ; sow the seed, and cover it lightly, 
keeping it clear from weeds during the summer ; early in August they may be 
removed, and planted in the places where they are intended to flower, or, if it is not 
convenient to remove them in August, they may remain in the seedling bed until 
the arrangements are made in the spring. 
This treatment will answer for all the species and varieties of similar habits to 
the Sweet William, as aggregatus , latifolius , &c. The dianthus hybridus, or mule 
Pink, so well known and much prized in our gardens, is probably a variety betwixt 
Poiret’s Pink, and the common garden Pink, or betwixt the former and the Carna- 
tion. It requires the same treatment as the common Pink, which will be treated on 
hereafter ; the culture of which, together with the Carnation and the Sweet Wil- 
liam, may be taken as standards for the whole genus. 
