SYNGENEsiA SUPERFLUA. Chrysanthemum. 
On the north-west coast. % . v, s. in Herb. Lainlert, 
About a hjor high f flowers purplish-white, the size 
of the preceding species. 
628. PYRETHRUM. Smith ji. hrit. 2. p. 9OO. 
1. P. foliis lanceoliitis, inferioribus apice serratis, superiori- 
bus integerrimis, ramis corymbosis. IVilld. sp. pl. 3. 
p. 2151. 
Chrysanthemum serotinum. Sp. pl. 1251. 
Icon. Pluk. aim. t. 17. f- 2. Moris, hist. 3. s. 6. t. 9. 
/. 11 . 
Jn North America. 1/ . Oct. Nov. v. s. in Herh. Lam- 
bert. Flowers white, smaller than Chrysanthemum 
Leucantliemum, 
629. ARNICA. Gen.pl. 12gd. 
1. A. foliis remote dentatis subtus lanato-hirsutis, radicali- Doronicum, 
bus petiolatis oblongis basi angustatis, caulinis alternis 
oblongo-lanceolatis, caule unifioro. — Willd. sp. pl. 3. 
p. 2108. 
Icon. Jacep ji. austr. 1. t. Q2. Alllon. Ji. ped. t. 17. 
f I tSf 2. 
In Labrador. Colmaster. 11. July, Aug. v. s. in Herh. 
Dichon. Not above a span high j flowers large, 
yellow. 
2. A. glabra ; foliis integerrimis utrinque glabris acutis tri- plantagmea. 
nervibus, radicalibus spathulato-lasiceolatis basi in pe- 
tiolum angustatis, caulinis oppositis laiiceolatis sessili- 
bus, caule unifioro. 
In Labrador. Colmaster. % . July, Aug. v. s. in Herb. 
Dickson. About a span high j flower the size of the 
preceding, yellow, the rays broad and 3~dentated. 
3. A, pubescens ; foliis radicalibus lanceolatis obtusiusculis fulgens. 
basi attenuatis petiolatis trinervibus, caulinis oppositis 
remotis linearibus, caule unifioro. 
On the banks of the Missouri, %. v. s. About a foot 
or more high, very slender ; leaves on the stem gene- 
rally two pairs j flowers somewhat smaller than the 
preceding, of a very deep and beautiful yellow. 
4. A. hirsuta ; foliis radicalibus decussatim oppositis oblon- Clayloni. 
go -ovatis subdentatis, caule subaphylio summitate in 
pedunculos 1 -floros diviso. 
527 
serotinum. 
