2^0 SYNGENESIA. POLYGAM. ^QUALIS. 
HIERACIUM. niirliusculum, punctatum. 
Pappus simplex, sessilis. Cal. imbrlcatus, ovatus. 
HIERACIUM. Receptacle naked. Down hair- 
like \ silting. Cal. tiltd\ egg shaped. 
HEDYPiS'OIS. Rerf-pt. nedum, punefarum. Pap- 
pies p]urr(':sns, sessilis, inaequalis. Cal. imbiica- 
tus, calyculatus. 
PIEDYPNOIS. Receptacle naked, dotted. Down 
Jeathered^ sitting, unequal. Cal. tiled, double. 
PI CRTS. Recept. nudum Pappus plumosus. Se- 
mina. transveisim sulcata ial duplicatus ; inte¬ 
rior aa.qualis ; exterior iaxus. 
PrCRIS. Receptacle naked. Dv)wn feathered:, on 
a pedicle. Cal. double. 
TRAGOPOGON. Recept. nudum. Pappus stipi- 
tatus, plumosus. Cal. simplex, polyph)llus. 
I'RAGOPOGON. Receptacle naked. D ^wn 
featheied \ on a pedicle. Cab simple. 
LI'.ONTODCN. Recept. nudum. Pappus 
'tus, simplex. Cal imbricatus, sqamis laxiusca- 
lis. 
LEONTODON. Receptacle naked. Down on a 
pedicle Cs\. tiled \ scales flexible. 
LACTUC'A Recept. nudum. Pappus siipitatus, 
simplex. Cal. Imbiicatus, cylindiaccus, margine 
niembranaceo. 
l.^CTUCA. Recep'acle naked. T)o\kt\ hair-Ilk 
on a pedicle. Cal. tilea ; siules skinny at the edges. 
PRi-NANlHES. accept, nuduni .Pappus sub- 
