PAPAVKUACIC.E. (I'OPPl' FAMILY.) 59 



with a white juice ; tlie flower-hiuls noddinp. (Derivation obscure.) — Tiircc 

 annual sjiecics of the Old World arc sparinjily adventive ; viz. : 



1. P. soMxfFKiUM, L. (Co.MMox I'oi'fY.) Smooth, {glaucous ; leaves 

 clasping, wavv, incised and toothed ; pod (jlobosc ; corolla mostly white or pur- 

 ple. — Near dwellin;^^s in some places. (Adv. from Eu.) 



2. P. DuniLJi, L. (Smootii-fkuited Coux-rori'v.) rinnatilid leaves 

 and the long stalks brislb/ ; pods cliib-s/ia/)&l, smooth; corolla light scarlet. — 

 Cult, grounds, Westchester, Pcnn. and southward : rare. (Adv. from En.) 



3. P. akgemT)NE, L. (KoLGii-FKUiTED C.) Smaller, with finer-cut 

 ' leaves and paler flowers than the last ; pods club-shaped and bristly. — Waste 



grounds, near Philadelphia, J//-. Dicffcnhaiyh. (Adv. from Eu.) 



•2. ARGEMONE, L. Pnu klv Vowy. 



Sepals 2 or 3, often prickly. Petals 4 -6. Style almost none: stigmas 3 ~ 

 6, radiate. Pod oblong, prickly, opening by 3 - 6 valves at the top. Seeds 

 crested. — Annuals or biennials, with prickl}' bristles and yellow juice. Leaves 

 sessile, sinuate-lobed, and with prickly teeth, often blotched witli white. Flower- 

 buds erect, short-peduncled. (Name from upye'/iia, a disease of the eye, for 

 which the juice was a supposed remedy.) 



1. A. Mexic.\na, L. (Mexican P.) Flowers yellow, rarely white. — 

 Waste places, southward. July -Oct. (Adv. from trop. Amcr.) 



3. STYLOPHORUM, Nutt. Celandine Poity. 



Sepals 2, hairy. Petals 4. Style distinct, columnar: stigma 2-4-lobed. 

 Pods bi-istly, 2-4-valved to the base. Seeds conspicuously crested. — Peren- 

 nial low herbs, with stems naked below and oppositely 2-leaved, or sometimes 

 1 - 3-leaved, and umbellately 1 - few-flowered at the summit; the flower-buds 

 and the pods nodding. Leaves pinnately parted or divided. Juice yellow. 

 (Name from arvKos^i style, and <j)ep(i), I bear, indicating one of the distinctive 

 characters.) 



1. S. dip helium, Nutt. Leaves pale or glaucous beneath, smoothish, 

 dcc])ly pinnatitid into 5 or 7 oblong sinuate-lobed divisions, and the root-leaves 

 often with a pair of smaller and distinct leaflets ; peduncles equalling the 

 petioles; flower deep yellow (2' broad) ; stigmas 3 or 4 ; pod oval. — Damp 

 woods, W. Penn. to Wisconsin, and southward. ]\Iay. — Foliage and llower 

 resembling Celandine. 



4. CHOiJLIDONIUM, L. Celandine. 



Sepals 2. Petals 4. Stamens 16- 24. Style nearly none : stigma 2-Iobcd. 

 Pod linear, slender, smootli, 2-valved, the valves opening from the bottom up- 

 wards. Seeds crested — Perennial herb with brittle stems, saff"ron-colored acrid 

 juice, i)innately divided or 2-pinnati(id and toothed or cut leaves, and small yel- 

 low flowers in a i)cduiiculate undicl ; the l)uds mxlding. (Xanie from _;(fXt8a)i^, 

 the Sw(dlow, because, according to DioScorides, it begins to llower at the time 

 the swallows appeal-. ) 



