PYRE'THRUM RO'SEUM. 
ROSY FEVERFEW. 
Class. Order. 
SYNGENESIA. SUPERFLUA. 
Natural Order. 
COMPOSITE. 
Native of 
Height. 
Flowers in 
Duration. 
Introduced 
Caticastis. 
1 foot. 
July. 
Perennial. 
in 1826. 
No. 380. 
The term, Pyrethruin, is of Greek origin, and was 
founded on the word pyr, fire. It is supposed to 
have been first used indicatively of the pungency of 
the plant to which it was applied, a species, proba- 
bly, of anthemis. 
The Pyrethrum roseuni is completely hardy, and 
when it has continued in one situation two or three 
years, so as to become well established, it forms a 
desirable variety in the herbaceous collection. It 
should not, however, be dissembled that, on account 
of its petals, in reference to its disk, being sometimes 
disproportionately short, it is less attractive than 
most of our old favourites: but this habit is not per- 
manent, where the plant attains great luxuriance. 
It belongs to a natural order of considerable splen- 
dour,and reminds us of many gay plants, of the same 
class, which induces a disadvantageous comparison. 
In culture it requires no great care, either as re- 
spects soil, situation, or aspect; though a moist situa- 
tion appears to be less congenial to its nature than 
a dry one. If increase be required, it m<ay be di- 
vided in spring; otherwise it is better to let it con- 
tinue undisturbed. 
Bot. Reg. 1026. 
