SYNGENEsiA supERFLUA. Chrysanthemum. 
On the north-west coast. )/ . v. s. in Harh. Larnhert, 
About a foot high flowers purplish- white, the size 
of the pieceuing species. 
628. PYRETHRUM. Smith Ji. hrit, 2. p. 900. 
1. P. foliis lanceolatis, inferiorlbus apice serratis, superion- serotinum^ 
bus integerrimis, raniis corymbosis. IViild. sp. pi. 3. 
p. 2151. 
Chrysanthemum serotinum. Sp, pi. 1251. 
Icon. Pluk. aim. t. 17. f. 2. Moris, hist. 3. s. 6. t. Q, 
In North America. 1/ . Oct. Nov. v. s. in Herb. Lam- 
bert Flowers white, smaller than Chrysanthemum 
Leucanthemum, 
629. ARNICA. Gen.pl. \2g6. 
1. A. foliis remote dentatis subtus lanato-hirsuti.=, radicali- Doronicum. 
bus petiolatis oblongis basi angustatis, caiilinis alternis 
oblongo-lanceolatis, caule unitloro. — IVilld. sp- pi. 3. 
p. 2108. 
Icon. Jacq. fu. austr. 1. t. Q2. AlUon. Ji. ped. t. 17. 
/ 1 ^ 5 * 2 . 
In Labrador. Colmnster. I/. July, Aug. v.s. inHerh. 
Dickson. Not above a span high 3 flowers large, 
yellow. 
2. A. glabra 5 foliis integerriinis utrinque glabris acutis tri- plantaginea. 
nervibus, radicalibus spathulato-lanceolatis basi in pe- 
tiolum angustatis, caulinis oppositis lanceolatis sessili- 
bns, caule unifloro. 
In Labrador. Colmaster. If. . July, Aug. v. s. in Herb. 
Dickson. About a span high ; flovrer the size of the 
preceding, yellow, the rays broad and 3-dentated. 
3. A. pubescens 3 foliis radicalibus lanceolatis obtusiusculis fulgens. 
basi attenuatis petiolatis trinervibus, caulinis oppositis 
remotis linearibus, caule unifloro. 
On the banks of the Missouri. 1/ . v. s. About a foot 
or more high, very slender 3 leaves on the stem gene- 
rally two pairs 5 flowers somewhat smaller than the 
preceding, of a very deep and beautiful yellow. 
4. A. hirsuta 5 foliis radicalibus decussatim oppositis oblon- Claytoni. 
go-ovatis subdentatis, caule subaphyllo suramitate in 
pedunculos 1-floros diviso. 
