CLASS XIX. 
SYNGENESIS 
iEQUALIS. 
(1) All the Florets strap-shaped. 
CICHO'RlUM. Recept. slightly chaffy: Down chaff-like: 
Cal. double. 
HYPOCHiERIS. Recept. chaffy: Down somewhat feathery: 
Cal . tiled. 
TRAGOPO'GON. Recept . naked : Down feathery, on a pe¬ 
dicle : Cal. simple. 
PPCRIS. Recept. naked : Down feathery: ( Seeds furrowed 
transversely : E.) Cal. double. 
LEON'TODON. Recept. naked : Down on a pedicle, simple : 
Cal. tiled, double ; scales flexible. 
CRE'PIS. Recept. naked : Down hair-like : Cal. double, with 
scales of different shapes, (outermost deciduous. E.) 
PRENANTHES. Recept. naked: Down hair-like: Cal. 
double, containing about five florets. 
LACTU CA. Recept. naked : Down hair-like, on a pedicle : 
Cal. tiled, simple, scale membranous at the edges. 
HIERA'CIUM. Recept. naked, dotted : Down hair-like, ses¬ 
sile : Cal. tiled, egg-shaped. 
SON'CHXJS. Recepto naked: Down hair-like, sessile: Cal. 
tiled, tumid at the base. 
LAP'S ANA. Recept. naked : Down none: Cat. double, (scales 
of the innermost channelled. E.) 
(2) Flowers in globular heads. 
CARLFNA. (Cal. tumid; outer scales spinous, inner rays 
coloured: Recept. chaffy: Dozen feathery. E.) 
