SYNGENESIA SUPERFLUA, AstCF. 
547 
pubescente, ramis paniculatis, calycibus imbricatis, 
squamis spathulatis squarrosis. tVilld. sp. pl. 3. 
p. 2027 , 
In North America. Muhlenberg. 7/ . -f . Resembles 
the preceding one. 
17 . A. cano-pubescens ; foliis linearibus, panicula corym- 
bosa ramosissima foliosa, calycibus imbricatis acutissi- 
mis disco longioribus. 
On the banks of the Missouri. 7/ . Aug. — Nov. v. s. 
Flowers the size of a daisy, rays pale purple. 
18. A. foliis remotis linearibus amplexicaulibus erectis gla- 
berrimis margine scabris, pedunculis fere nudis, caly- 
cibus squarrosis basi foliis 2 . suffultis. — Willd. sp. 
pl.3. p. 2033. 
In marshes and swamps of Lower Carolina. 7/ . Aug. 
—Nov. V. s. in Herb. Banks, et Lambert. Flowers 
large, rays blue, disk yellow. 
19 . A. glaberrimus ; foliis subulato-linearibus subcarnosis 
subreflexis, caule tenui ramosissimo, ramis ramulisque 
patulis setaceis 1 -floris, squamis pedunculorum diva- 
ricatis subulatis, calycibus imbricatis, squamis adpres- 
sis acutis. — Mich.ji. amer. 2 . p. 1 12 . 
In sait-raarshes : New York to Carolina. 7/. Sept. — - 
Nov. V. V. Resembles the preceding one j flowers 
smaller j rays pale purple or white, disk brownish- 
yellow. 
20 . A, humilis j radice repente, caulibus debilibus simplici- 
bus, foliis longe lanceolatis glabriusculis, radicalibus 
spathulatis, corymbo terminali incompte rarifloro, ca- 
lycis squamis lineari-oblongis obtusiusculis, Mich.ji. 
amer. 2. p. 1 13. 
In woods of North Carolina, in the county of Burke. 
Michaux. -p . 
21 . A. foliis creberrimis linearibus obtusis reflexis margine 
hispidis, caule ramoso diffuso glabro, ramulis uni- 
floris, calycibus imbricatis, squamis lineari-spathula- 
tis obtusis. — Willd. sp. pl. 3. p. 2028. Mich.ji. a- 
mer. 2 . p. 112 . 
In dry barren soil in Lower Carolina. 7/ . Aug. — Nov. 
V. s. Resembles the following species 5 flowers bright 
blue. 
22 . A. foliis creberrimis ovatis acuminatis reflexis margine 
hispidis, caule ramoso hirto, ramulis unifloris, caly- 
canescens. 
paludosus. 
sparsjflorus. 
surculosus. 
coridifolius. 
squarrosus. 
