LXII. COMPOSITAE. 451 
Gë few species of 11. OLEARIA, - 15. ERIGERON, have the ray-florets minutely 
im perfectly ligulate.) 
: dier: with fine tails. . 
Involucral ler narrow- Seti herbaceous or soft. Style 
of the disk-florets branched . . 23. BLUMEA. 
Involueral bracts rigid, we iol Some | or all the 
disk-florets degt witha simple st . 24 PLUCHEA. 
Pappus of the female flo orets none, of the neni disk-Aorets 
small, Anthers and involucre of Plue ve e 25. BPALTES. 
‘annne of SI 
Den usually irregular. Anthers tailed. ree duo or 
eafy 
Pappas a i a short scaly jagged tube or “cup. ` Anthers ‘tailed. 
. 26. PrERIGERON. 
. 27. COLEOCOMA. 
Pappus zwee or of short obtuse scales. 
A De obtuse at the base. € VII. ANTHEMIDE.) 
Authers with fine tails. (See VIII. GNAPHALIEX. 
8. NaBLonium, has the habit of Calotis, but no female florets, and the recep- 
tacles with scales 8.) 
RIBE V. Ambrosieæ.— Leaves alternate. Flower-heads absolutely unisexual. 
dnthers not united 
Female florets 2 together, consolidated with the involuere into a 
y burr; males numerous, in A alar MA with a very 
small involucre . : - . 29. XANTHIUM. 
Taise VI, En these.— Leaves opposite or D alternate. Flower-heads either 
Don amous, with the Janay deng more or less s Relate, rii central ones tubular her- 
ba $ €; or rarely discoid, with all the florets hermaphrodite and tubular. 
CA tplacles with chaffy scales between the florets. Anthers SE tails. Style of the 
re or approaching that of Féier ux Pappus of stiff awns or of short scales 
of 2 rows of bracts, the outer narrow leafy and stame 
` we inner ones and the receptacle scales een the flore 
Ale no ro. . 80. SIEGESBECKIA. 
` Tiers of 2 or 3 m of bracts, nearly e ual or the outer row 
broader and lea p nearly e 
short awns or fine bristles. 
tacle flat or slightly convex 
Style. bran ranches obtuse wa ëatieggd Ray-achenes trian- 
ar; disk-achenes fl . 91. Ecuipra, 
hong almost cae Ray- and disk-achenes usually 
r thick . . 99. WEDELIA. 
Style a of de Däer undivided. Ray-achenes flattened ; 
-achenes abor . 88. Moonta. 
acle conical. es v dën De Gegend, _Ray-acheues 
m^ triangular; d disk-achenes flattened . - 94. SPILANTHES. 
: say ei Seng chaffy scales Ces? tin... SE EEN 
2 to 4 rigid awns, 
: Slesbranches n with acute or pa oe SES 
d Ray-florets, When present, neuter . S SE BIDENS, 
wl rets, when en present, nn S . 97. GLossoGYNE. 
SE hes grs b with - 
à beaded seq. D Small creep ing s . 88. NABLONIUM. 
fa 
i Pappus 
t unequal sen => ja of bracts, “united in a toothed = Pp PU uri 
LED broad leafy bracts, 2 outer larger than tie 2 in 
nä ^ several rows, with very small ligules. No papp om; 40. E wn A. 
G 
