StNGENESIA SUPSSFLUA. Astef. 
549 
minatis subpetiolatis glabris margine hispidis^ corymbo 
divergenti'dichotomo nudiusculo paucifloro, calycibus 
laxis imbricatis, radiis 8-fioris. — Willd. sp. pL 3. 
p. 2038. 
A. infirmus. Mich.fi,. amer. 2. p. 109. 
A. divaricatus. JVilld. sp. pl. 3. p. 2044. secundum spe» 
cimen Gronov. ei Banks. 
Icon. Willd. hort. lerol. Qy. Pluk. aim. t. 79- fi 
In shady and rocky places : Canada to Carolina. If. . 
Aug.—Oct. V. V. ; V. S’, in Herb. Banks, el Gronov. 
Not above a foot high j flowers clear white, and large 
in proportion to the plant. 
28. A. foliis laoceolatis basi attenuatis acuminatis margine amygdalinus, 
scabris, caule simplici apice coryraboso-fastigiaro, ca- 
lycibus laxis imbricatis, squamis lanceolatis obtusis. — 
Lam. encycl. 1. p. 305. 
A. umbellatus. Ait. kew. 3. p. I99. 
Oil the banks of rivers and in swamps : Canada to Ca- 
rolina. 11 . Sept.— Nov. V. V. ; V. s, in Herb. Banks, 
et Lambert. Rays large, white. 
2g. A. foliis iineari-lanceolatis subintegerrimis glabris, caule salicifioliiis. 
glabro apice paniculato, calycibus laxis imbricatis, 
squamis acutis apice Willd. sp. pl. 3. 
p. 2030. 
A. prjealtus. Lam. encycl. suppi, i. p. 493. 
Icon. Roh. ic. 307 . 
In low grounds, on the side of ditches : New York to 
Virginia. 1/ . Aug. — Oct. v. v. ; v. s. in Herb. 
Banks, et Lambert. From four to six feet high j 
flowers middle-sized, reddish-blue. 
30. A. foliis lanceolatis subamplexicaulibus apice attenuatis cesllvus. 
margine scabris, caule a basi ramoso erecto hispido, 
ramulis pilosis, calycinis squamis laxis linearibus acu- 
tis aequalibus.— sp. pl. 3. p. '2030. 
In dry swamps and copses : New York and Peosylvania. 
11 . July—Sept. V. V. ; v. s. in Herb. Banks, et Lam- 
bert. Not above two feet high | Rovi^ers resembling 
the preceding, rays blue. 
31, A. foliis Iineari-lanceolatis pilosis amplexicaulibiis hasi novce anglicie. 
auriculatis, caule simpliciusculo piloso stricto, doribus 
subsessilibus terminalibus confertis, calycinis squamis 
laxis coloratis lanceolatis disco longioribus.-— sp. 
pl. 3. p. 2032. 
Icon. Herm. par ad. 98. 
