ANALYSIS OF THE GENERA. AL 
Fruit crowned with hair-like pappus. 
Florets of the ray of a different colour 
from those of the disk. 
Pappus in Many TOWS «..eeeeeeeeeeree ASTER, V. 3. Pp. 1076. 
Pappus in a single row .....-++e0e00+ ERIGERON, V. 3. Pp. 1077. 
Florets of the ray of the same colour as 
those of tne disk. 
Scales of the involucre in one or two 
rows, 
Flowers solitary, on a scape «s+. TusstLaco, v. 3. p. 1086. 
Flowers on a leafy stem. 
Involucre simple ........se:e0eee2 CINERARIA, V. 3. p- 1080. 
Tnvolucre with bracteated scales 
St GHG DASC scarce css av-rccexeee SENEcIO, v. 3. p. 1081. 
Involucre a double row of equal 
SEALGS Ie cate ic cenossseessecsececs Doronicum, v. 3. p. L087. 
Seales of the involucre imbricated. 
Pappus hairy, in a single row. 
Anthers bristle, pointed at the 
[ORG coca sspaccaacuconce . Invta, v. 3. p. 10738. 
Anthers not bristle, ed a 
the Dase...scasasccccasovceseecs Sortmaco, v. 3. p. 1079. 
Pappus in a double row, the outer 
row cup-shape scales.. . Porrcarta, v. 3. p. L075. 
Fruit naked, or crowned with a raat a- 
nous margin or toothed. 
Receptacle naked, or slightly hairy. 
Flowers solitary, on a scape or naked 
Ser) Geceseececanece neucrecrec: .cerere BELLIs, v. 3. p. 1088. 
Flowers on a leafy stem. 
Inyolucre scales membranous on 
THE MATPIN......2cccesereees CHRYSANTHEMUM V.3 p. 1090 
Involucre scales not membranous 
on the Margin .........00 Marricaria, v. 3. p. 1093. 
Receptacle furnished with scales (pa- 
leaceous). 
Receptacle conical .......44-+++sss002 ANTHEMIS, V. 3. p. 1093. 
Receptacle flat. 
Pappus formed of two to five awns Bipens, v. 3. p. 1071. 
Pappus a membranous ee or 
wanting ......... . ACHILLEA, V. 3. p. 1097. 
Florets all tubular (those = Ter ray —e 
ligulate). 
Receptacle naked, or hairy. 
Pappus hairy. 
Involucre with imbricated scales. 
Seales of involucre oblong ...... EvpaToriuM, V. 3. p. 1059. 
E 
