548 PAPAVERACEAE 
ments clavate: A subglobose or de- 
OP 
pressed, fan 9 em. long.— (OPIUM-POPPY. 
GARDEN-POPPY. )—Fie d and esta -places, 
Due ded ae Fla. to La., Tenn., and S 
Nat. of Eu.—Sum — The capsule pro- 
faces opium e its derivatives 
P. dubium L. Plant 2-7 dm. tall: leaf- 
divisions entire, or spa aringly toothed or. in- 
cised: sepals hirsute: petals ed 2.0—93.0 
em. long: filaments filiform: eapsule 1.5-2 
N 
EYE HEADACHE-POPPY. ONG-POD POPPY.)— 
Fields, roadsides, and waste-places, o 
provinces N Coa stal Plain, 2: S to 
at. of Eu .—Spr.— 
4. ARGEMONE L. Annual or biennial herbs. Leaves cauline: blades 
incised-pinnatifid. Flowers few, the buds erect. Sepals 2 or 3, hooded or 
horned. Petals 4 or 6, broad. Gynoecium 4~6-carpellary, the ovary with 4-6 
nerviform placentae. Stigma 4-6- lobed. icd stout.--About 10 species, 
Ameriean.—PRICKLY-POPPIES. 'THORN-APPLES 
Inflorescence and capsule spine- armed. 
Corolla yellow : leaf-blades blotched. 
1. 
Corolla white: leaf-blades m. o enen or sometimes slightly so. 2. 
Inflorescence and capsule spinele 3. A. I Io oE 
A. mexicana. 
A. alba. 
A. mexicana L. Plant glaucous, 3-9 dm. tall, more or less spiny: leaves 
T 25 em. long; blades runcinate-pinnatifid, blotched, spiny-toothed and com- 
monly spiny along the midrib, sessile and 
clasping: flowers sessile or nearly so: sepals 
0 
dde waste- "places and cd various Pid 
inees, Fla, to Tex., Tenn., Pa., and M 
Sum.—fall or roli year S 
alba Lestib. Plant pale or somewhat 
3 m. 
glaucous, spine-armed: stems stout, 3-5 d 
tall, diffuse: le -15 em. long 
des pinnately lobed or pinnatifid, some- 
time D along t , the rib 
; ; e ine 1-1.5 mm. 1 
white, 7—10 cm. broad: capsule oval or dne 2.5—4 em. ong.—(CAR wa- 
POPPY.)—Roadsides, waste-places, and cult. grounds, various pu imi. Fla. 
Tex., Mo., and S. C.—Spr.-sum. or all year S. 
3. A. leiocarpa Greene. Plant ee those of A. mexicana, but more 
glaucous, devoid of spines, except o e margins of the leaf-blades, which are 
rather more copiously spinescent: ae une petals yellow, 3-4 em. long: 
capeule smooth and glabrous, 3—4 cm. long—Hammocks and cult. grounds, S 
pen. Fla. and the Keys.—All year. 
