40 
Outer florets numerous, but quite small and_ incon- 
f spicuous. } 
Outer florets long and conspicuous. 
Outer florets blue or purple; fruits with a pappus of. 
hairs. } 
As'ter Tripo'lium. Sea Aster 
Outer florets white or pink. 
pa all from the root of the plant, the flower- 
| stalks bare. 
A Bellis peren'nis. Daisy. 
}lowering stem bearing leaves. 
Leaves with simple, entire lobes, or divided into 
f widish segments. 
Krig’eron. 
eee? 
L Chrysan'themum. 
Leaves narrow and edged with fine, short 
teeth, or cut into numerous, very narrow 
a eg ee | 
segments. 
Outer florets very short and wide; central ones- 
f greenish- or pinkish-white (rarely pale 
| yellow). Achille’a. 
~Outer florets elongate; central yellow. 
Central florets with little scales growing 
among them (visible when the flower is | 
i split). An’'themis. 
No scales among the florets. Matrica/ria. 
GROUP V. 
Leaves (or some of them) deeply lobed or cut. 
a purple, conspicuous, the florets more or less~ 
| spreading. J 
: Serrat’ula tincto'ria. Sawwort. 
~Heads yellow (or pale, and the florets hidden). 
ees all narrow and equal in length, or with a ue, 
| minute outer ones. J 
‘ Sene’cio. 
Bracts of different lengths, overlapping. 
Heads stalked, in a flattish tuft at the top of the 
[ stem. ) 
Tanace'tum vulgare. Trg 
~Heads clustered along the sides of the stem and 
branches. j 
L Artemisia. 
Leaves entire, or more or less toothed only. 
