7 ^ 
Calix, 
imbric. 
imbric. 
imbric. 
imbric. 
imbric. 
calicul. 
imbric. 
imbric. 
imbric. 
calicul. 
simpl. 
CL. XIX. SYNGENESIA. 
jEQUALIS. 
Corolla. 
ligul. 
559 SCORZONERA 
viper’s grass 
lut. 
1 pinnatififla 
'pinnatifid s. Georgia 
lut. 
2 Hispanica, C. % 
common scorzonera 
ligul. 
540 SON^CHUS 
SOW THISTLE 
lut. 
1 oleraceus 0 
common 
B, asper 
lough 
cxr. 
2 macrophyllus % 
large-leaved 
C2cr. 
o Alpinus 
Alpine Canadian 
ochrol. 
4 leucophaeus ^ 'S 
white-flovvered 
caer. 
5 Floridanus % 
large-floi\’ered 
caer. 
6 acuminatus % 
pointed 
lutesc. 
7 pallidus 
pale 
lut. 
8 arvensis % 
corn 
t 9 palustris % 
marsh 
ligul. 
541 LACTU'CA 
LETTUCE 
lut. 
1 elongata % % 
tali 
lut. purp 
. 2 hirsuta H 
hairy 
3 graminifolia 
grass- leaved 
ligul. 
542 APARGIA 
lut. 
autumnalis 
ligul. 
543 PRENAN'THES 
^ IVHITE LETTUCE 
\ IVY LEAE 
purp. 
1 virgata s. rubi- 1 
eunda % j 
- red-flowered 
alb. 
2 alba % 
white-flou'ered 
ochroL 
3 altissima 2/ 
tali, three-lobed 
ochrol. 
4 cordata % 
heart-leaved 
ochrol. 
5 aspera 
rough 
t 6 racemosa 
bunch-flowered 
t 7 crepidinea 
mountain 
8 pumila 
grass-leaved 
ligul. 
544 LEON'TODON 
DANDELION 
lut. 
taraxacum % 
common 
ligul. 
545 HIERACIUM 
IIAWKWEED 
lut. 
1 vxnosum % 
veiny-leaved 
lut. 
2 Gronovii 2/ 
Gronovius*s 
lut. 
3 paniculatum % 
panicled 
lut. 
4 Kalnui 2/ 
Kalm’s 
lut. 
5 iiiarianum 
scabrum, Mich. j 
► rough 
ligul. 
546 HYO'SERlS 
swine’s succory 
lut. 
1 prenanthoides, l 
amfilexicaulia,^!. j 
' stem-clasping 
lut. 
2 angustifolia, Mx. 
narrow-leaved 
3 montana, Midi- 
mountain 
ligul. 
547 KRIGIA 
KRIGIA 
lut. 
Virginica 0 
various-leaved 
Habitat. Fructust et 
Tempus florendi. 
C recept. nud. pappus 
C pium. 
Georg. Miss, fl. Maio. 
Fens. H. 
C recept. nud pappus ca- 
\ pillaris sessilis. 
Pens. fl. Jun. 
Virg. Car. Del. 
Canada. 
Canada. 
Pens. fl. Aug. Oct. 
Pens. fl. Aug. 
Pens. fl. Aug. 
Pens. fi. Jul. 
N Ebor. 
C recept .nud. papp. capill . 
C stipitat. 
S Pens. fi.Jul. Car. Georg. 
C N. Angi. 
Pens. fi. Aug. 
Georgia. 
^ recept. nud. ])app. pium, 
sessilis. 
N. Angi. fl. Jun. 
recept.nud. papp. capill. 
3 sessil. 
Pens. fl. Sept. Car. 
Pens. il. Sept. N. Angi. 
Pens. fl. Aug. 
Pens. fl. Aug. 
lllin. 
Canada. 
Car. lllin. 
Georg i a- 
C recept. nud. papp. pilos. 
t stipit. 
CPens. fl. April, Carol. 
C Washita, N. Ang. 
Crecept. nud. papp. ca- 
\ pili, sessil. 
CPens. fl. Jun.Virg. N.Eb. 
l Georg. 
Pens. fl. Sept. 
Pens. fl Aug. Jul. 
Pens. fl. Aug. N. Angi. 
Pens. fl. Aug. 
C recept. nud. pappus du- 
C plex sessil. 
CPens. fl. Jun. Virg. Car. 
^ Troxiinon. 
Car. Virg. 
Carolina, Troximon. 
Crecept. nud. pappus 
i duplex. 
Pens. fl. Maioj Virg. 
