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TROXIMON GLAUCUM. GLAUCOUS-LEAVED 
'TroxIMon. 
KKK REE EEK EKER EEE 
Class and Order. 
SyNnGENESIA ASQUALIS. 
( Nat. Ord.—Composir. ) 
Generic Character. 
Involucrum duplex : ext. e foliolis laxé imbricatis ovato- 
lanceolatis ; int. e foliolis 10—12 equalibus uniformibus 
infra medium coadunatis. Receptaculum planum, leviter 
foveolatum, subfimbriatum. Achenium oblongum, nunc in 
rostrum attenuatum. Pappus pilosus seu scaber, pluri- 
serialis. 
Specific Character and Synonyms. 
Troximon glaucum; foliis lanceolatis inferne attenuatis 
glaucis integerrimis dentatisve, flore maximo flavo, 
corolle fauce valdé pilosa. 
(«.) seapo involucrique foliolis patentibus hirsuto-tomen- 
tosis. Hook, Fl. Bor. Am. v. 1. p. 300. 
TRoxImon elaucum. Nutt. in Frazer’s Cat. 1813. Pursh, 
Fl. Am. v. 2. p. 505. Rich. in Frankl. \st Journ. ed. 
2. App. p. 29. Spreng. Syst. Veget. v. 3. p. 633. 
— (B.) pa involucrique foliolis erectis glaberrimis. Hook. 
o. 
TRoximon glaucum. Sims, Bot. Mag. t. 1667. 
TRoximon cuspidatum ? Pursh, Fl. Am. v. 2. p. T42. 
TRoximon marginatum ? Nutt. l. c. 
So different is the appearance of this handsome plant 
from that of Troximon glaucum of Dr. Sims in the Botan- 
ical Magazine, that were I not possessed of native speci- 
mens, exhibiting intermediate gradations, I should certainly 
have published it as a new species. But, as the original 
glaucum 
