540 CLASSIFICATION AND DIVISION OF 
Achenia dilFormia ; flosculis hermaphroditis oblonga, tere-. 
tia, sulcata, paleis pluribus (9-10) lanceolatis cuspidatis 
coronata ; fcemineis obcordata, trialata, alis serratis mucro- 
natis. 
Herba (Orientalis) lanata^ ramosa, radice annua. Folia 
sparsa, elliptica, dentata, F lores magni^ solitarii, pedun- 
culati, olhL 
This genus consists of but a solitary species, namely, 
C. Xeranthentoides of Desfontaines, the Xeranthemum 
orientale of Willdenow, and the Xeranthemum orientale, 
frudu maximo of Tournefort. So little was it known to 
Linnaeus, that he did not even allow it the rank of a spe- 
cies, being his variety y of Xeranthemum annuum. Al- 
though these too genera have many points in common, yet 
they severally possess abundant characters to keep them 
distinct. The rayless involucrum, the form of the female 
florets and seeds, the stamens being united to the tube of 
the florets, and the polyphyllous pappus, are the distinguish- 
ing features of Chardlnia. The genus was established by 
M. Desfontaines, who has given a very clear and satisfac- 
tory account of it, as well as of Xeranthemum^ in the third 
volume of the " Memoires du Museum d''Histoire Natu- 
relle." The name is intended to commemorate the famous 
Chardin, celebrated for his travels in Persia ; and therefore 
the old specific appellation orientale ought to be adopted, 
in preference to the one proposed by M. Desfontaines. The 
plant is a native of Armenia. 
LEUCOSTEMMA. 
Elichkysi sp. Gwrtn. Willd, 
Xeranthemi sp. Linn. 
Involucrum globosum, imbricatum, scariosum, colora- 
tum: ^quamis omnibus subaequalibus, lanceolatis, acutis, 
