Pen et. (oe a 
( 3583) 
CHRYSOSTEMMA TRIPTERIS. 'THREE-LEAVED 
CHRYSOSTEMMA. 
Class and Order. 
SyNGENESIA FRUSTRANEA. 
( Nat. Ord.—Composirs. ) 
Generic Character. 
- Capitulum multiflorum heterogamum, fl. radii neutris 1- 
serialibus ligulatis, disci hermaphr. tubulosis 5-dentatis. 
Involucrum biseriale, squamis foliaceis basi coadunatis, ext. 
paucis parvis linearibus patentibus, inter. erectis ovali-ob- 
longis margine subscariosis. Receptaculum planum, paleis 
linearibus angustissimis fere filiformibus. Styli rami cono 
superati pubeque descendente instructi. Acheniwm plano- 
obcompressum obovato-ellipticum angulis alatum glaber- 
rimum apice emarginatum, pappo coroniformi lacero coro- 
natum, disco epigyno minuto, alis albidis.—Herba Borealr- 
Americana nitida erecta. Folia opposita petiolata, una 
subpedato-pinnatifida, superiora trisecta, segmentis lanceo- 
latis integerrimis. Pedunculi subgemini l-cephali. Capt- 
tula radio luteo, disco brunneo. 
Specific Name and Synonyms. 
Curysosremma * tripteris. 
CurysostemMa trinterla, Less. Syn. Compos. p. e2a7. DC. 
Prodr. v. 5. p. 568. 
Coreopsis tripteris. Linn. Sp. Pl. p. 1282. Mich. Fl. Amer. 
v.2. p. 148. Pursh, Fl. Am. v. 2. p. 368. Elliott, Fl. 
Carol. v. 2. p. 442. Spreng. Syst. Veg. v. 3. p. 614. 
ae 
This very handsome plant, although a well-known inha- 
itant of our gardens for a period of one hundred years, a 
no 
=— 
* + a 
From xpuce«, gold, and crtupa, a crown, from the colour of the flowers. 
