gui cae 
HELIANTHUS DECAPETALUs. 'TEN-RAVED ~ 
oes _ Sun-FLower. 2 
Kokekokekeokokokeokeokiokeskokak kaka 
Class and Order. 8 
SYNGENESIA F'RUSTRANEA. 
( Nat. Ord.—Composir2. ) 
Generic Character. 
Achenium compressum, conforme, paleis magis minusve 
deciduis, binis pluribusve minoribus coronatum.—Herbe 
se@pe altissime, rarius frutices, Americe indigent, foliis op- 
positis vel alternis integris (vel fissis) asperis ; capitulis 
luteis solitariis et terminalibus vel corymbosis ; involucris 
polyphyllis imbricatis, rachi plana. Less. esag 
é 
Specific Character and Synonyms. 
Heianruus decapetalus ; foliis oppositis (supremis brac- 
teantibus exceptis) subrhombeo - ovatis acuminatis 
Srosse serratis utrinque scabris supra basin tripliner- 
vils, involucri foliolis lineari-acuminatis squarrosis 
paleis integris radii corollis subdecem. 
Hexianruus decapetalus. Linn. Sp. Pl. p. 1277. Pursh, Fl. 
Am. 0. 2. p. 571. ~ Ell: Carol. 0. 2. p. 425. ae 
(8.) frondosus ; involucri squamis elongatis foliosis. 
- Hexrantruus frondosus. Lznn. and other authors. 
.™ 
Few plants are less understood by Botanists, or more 
ill defined in books, than the species of the Genus now 
before us; especially those which are natives of North 
America. And it is much to be regretted that Sir James 
Smrra has not even noticed the Linnean species in Rees’ 
Cyclopedia, so that we are at a loss to distinguish accu- 
rately those whose names are the most familiar to us. As 
far as can be judged from description, the present is the 
H. decapetalus of the Species Plantarum, where its affinity 
with 
