SYNGENESIA SUPERFLUA, Tanacetum. 
In cultivated grounds and on road sides : New England 
to Pensylvania. 2. July—Sept. v. v. Common 
Tansy is probably introduced from Europe. ` 
623. BACCHARIS. Gen. pl. 1285. 
1. B. glaberrima, panicnlato-ramosissima ; foliis angusto- 
linearibus integerrimis, panicula composita multiflora, 
calycibus parvulis sub-20-floris.— Mich. fl. amer. 2. 
p- 125. | | 
On the sea-coast: Carolina to Florida; on the banks of 
the Mississippi. M. Lewis. h. July—Sept.- v. v.; 
v. s, in Herb, Lewis. Flowers white, as all the fol- 
lowing are. i 
523 
angustifolia 
2. B. foliis laevibus cuneato-obovalibus superne dentatis, glomeruliflo- 
glomerulis florum axillaribus sessilibus remotis, squa- 
mis calycinis superne runs,—JMich. fl. amer. 2. 
p. 125. 
In woods, on the coast of Virginia and Carolina. h. 
Aug.—Oct. v.v. Resembles the following. 
3. B. foliis obovatis superne inciso-dentatis, panicula com- 
posita foliosa, fasciculis pedunculatis.— Willd. sp. pl.3. 
. 1915. 
ix Schmidt arb. 82. Herm. parad.225. Pluk. alm. 
O E Ae TE | 
On the sea-coast: Maryland to Florida. h. Sept.— 
Nov. v.v. The whole shrub is covered with a 
white powder. 
624. CONYZA. Gen: pl. 1286. 
1. C, herbacea, pubescens ; foliis sessilibus lato-lanceolatis 
|. acutis serratis : serraturis apice cartilagineis, corymbis 
terminalibus fastigiatis coarctatis subaphyllis, calycinis 
squamis subulato-mucronatis flosculis brevioribus.— 
Mich. fl. amer. 2. p. 126. exclus, syn. Walteri. 
. Erigeron camphoratum. Willd. sp. pl. 2. p. 1960, - 
Icon. Dill. elth. t. 88. f. 104. 
In overflowed places, near rivers and ponds : New York 
to Carolina. (2. Aug.—Oct. v. v. About a foot 
high; flowers reddish-purple ; the whole plant emits 
` a strong scent of camphor, only more disagreeable. 
2, C. herbacea, subpubescens ; foliis petiolatis ovato-lanceo- 
latis acutissimis subrepando-denticulatis: denticulis 
ra, 
halimifolia. 
camphorata. 
