[ 
Donia SQUARROSA.. SNAKE-HEADED 
~Donta, © 
TEEHEISEEeSbieiae 
Clafs and Order. 
Syncenesta PotyGAMia SUPERFEUA, 
Genetic. Charatler. 
Recept. nudum. Pappus fetaceus caducus, _ Calyx imbricatus, 
hemifphericus. Brown. | . | 
Ps _ Specific Characer and Synonyms, : ° ia : 
DONIA. Squarrofa ; herbacea 3 foliis oblongis amplexicaulibus 
_ ferratis, calycinis {quamis apice filiformibus revoluto- 
{quarrofis. Puro Fl. Am. Sept. 559. : 
This genus was named by Mr. Brown, in honour of the 
late Mr. Georce Don, a celebrated Scottifh Botanift, whofe 
difcoveries have made fo many additions to the Britifh Flora. 
It was taken up from the Aster glutinofus of Prof. CAVANILLES, 
a native of Mexico, with a fhrubby ftem, and fome other un- 
pumliined fpecies, 4 / i fey AY OS 
Dontra /quarrofa is a herbaceous perennial, native of open 
meadows on the banks of the Miffouri; and, as we learn from 
Mr. Lamsert’s Herbarium, was firft difcovered in the camp, 
near the old. Maha village, by Mr. Lewis, on the 17th of 
Auguft 1804. We believe it was firft introduced to this country 
by Mr. Nutrat. aes ae : 
Mr. Pursu fays, that the whole plant is vifcous, and has a 
{trong refinous or iyi not ala us thefe qualities feemed 
to be confined chiefly, if not altogether, to the calyx and 
corolla, and more efpecially to the latter. 
Our drawing was taken at Mefirs. Fraser’s American Nurfery, 
Sloane-Square. We were favoured with other fpecimens by Mr. 
AnpeERson, from thc garden of James Vere, Efq. and alfo 
from Boyton, the feat of A.B. Lamszrt, Efg. Flowers from 
Auguft to November. Propagated by feeds or parting its roots. 
