nag. 
VOL, th Ge SS =: see 
SUNGENESIA. SUPERFLUA, 145 
‘The -rest of this extensive genus of more than 80 spe- 
cies is principally indigenous to Siberia, the warmer parts 
of Europe, Persia and the Levant; there are also a few 
species in Barbary, at the Cape of Good Hope, in India, 
China and Japan. 4. sericea of the Missouri is also com- 
mon to Siberia, and 4. biennis to the south of Europe. 
554. BACCHARIS. ZL. (Groundsel-tree.) 
Calix imbricate, cylindric, scales ovate, sub- 
‘coriaceous. Feminine florets intermixed with 
the hermaphrodite. Receptacle naked. Pappus 
-pilose. 
Shrubby, rarely herbaceous; fiewers often fastigiate, in 
some species divicous.—Pappus simple, very long; seed 
smooth, 10-striate. 
Srecizs. 1. B. angustifolia. 2. ¢lemerulifiora. 3. hali- 
mifolia, : 
Principally a tropical genus and indigenous to America; 
afew species exist in India and at the Cape of Good 
Hope. The large subgenus MOL1w™A, appears to be, with 
2 single exception, peculiar to South America, extending 
as far as the Straits of Magellan. 
555. CONYZA. Z. (Flea-bane.) 
Calix imbricated, scales sublinear or ovate, 
often subscariuse. Radii none; feminine florets 
marginal, and 3-toothed, mostly numerous, Re- 
ceptacle naked. Pappus simple and capillary, 
of few rays. e~ 
Herbaceous or shrubby; leaves entire, in a few species. 
decurrent upon the stem; flowers mostly corymbuse or 
terminally paniculate; rarely spiked——-Feminine flowers 
ile, ihcaatie ite mostly sterile. Seeds smooth or 
+ pubescent, minute; pappus rather short, consisting (in the 
following species) of from 20 to 30 rays. Scarcely dis- 
re ed 
Specres. 1.C. tarylondice. Peculiar to salt-marshes, 
from New York to Carolina. It differs from the following 
in being annual, and in having both the calix, and ovate 
acute leaves pubescent; the form and proportion of the 
sport 
calix is the same; itis also a smaller plant. 2. 
