PAPAVERACEjE. (poppy family.) 25 



1. PA PAVER, L. Poppy. 



Sepals mostly 2. Petals mostly 4. Stigmas united in a flat 4-20-rayed 

 crown, resting on the summit of the ovary and capsule ; the latter short and 

 turgid, with 4-20 many-seeded placentae projecting like imperfect partitions, 

 opening by as many pores or chinks under the edge of the stigma. — Herbs 

 with a white juice ; the flower-buds nodding. (Derivation obscure.) — Two 

 species of the Old "World are sparingly adventive ; viz. 



1. P. somniferum, L. (Common Poppy.) © S?nooth, glaucous ; leaves 

 clasping, wavy, incised and toothed ; pod globose ; corolla mostly white or pur- 

 ple. — Near dwellings in some places. (Adv. from Eu.) 



2. P. DfjBiuM, L. (Smooth-fruited Corn-Poppy.) (3) Pinnatifid leaves 

 and the long stalks bristly; pods club-shaped, smooth; corolla light scarlet. — 

 Cult, grounds, Westchester, Penn. and southward : rare. (Adv. from Eu.) 



2. ABGEHONE, L. Prickly Poppy. 



Sepals 2 or 3. Petals 4-6. Style almost none : stigmas 3-6, radiate. Pod 

 oblong, prickly, opening by 3-6 valves at the top Seeds crested. — Herbs, 

 with prickly bristles and yellow juice. Leaves sessile, sinuate-lobed, and with 

 prickly teeth, blotched with white. Flower-buds erect, short-peduncled. (Name 

 from dpyepa, a disease of the eye, for which the juice was a supposed remedy.) 



1. A. Mexicana, L. (Mexican Prickly Poppy.) ® © Flowers sol- 

 itary (pale yellow or white); calyx prickly. — "Waste places; not common. 

 July- Oct. (Adv. from trop. Amer.) 



3. STYLOPHORUM, Nutt. Celandine Poppy. 



Sepals 2, hairy. Petals 4. Style distinct, columnar: stigma 3-4-lobed. 

 Pod ovoid, bristly, 3-4-valved to the base. Seeds conspicuously crested. — 

 Perennial herb, with pinnatifid or pinnately divided leaves like Celandine, the 

 uppermost in pairs, subtending one or more slender 1 -flowered peduncles ; the 

 buds and pods nodding. Juice yellow. Corolla yellow. (Name from ortiAos, 

 a style, and (pepco, to bear ; indicating one of its characters.) 



1. S. dipliyllum, Nutt. (Meconopsis diphylla, DC.)— Woods, W. 

 Penn. to Wisconsin and Kentucky. May. — Divisions of the leaves 5-7, sinu- 

 ate-lobed. Flower 2' broad. 



4. CHELIDONIUM, L. Celandine. 



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

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

 wards. Seeds crested. — Perennial herbs, with brittle stems, saffron-colored acrid 

 juice, pinnately divided or 2-pinnatifid and toothed or cut leaves, and small yel- 

 low flowers. (Name from \( Xtdav, the Swallow, because, according to Dios- 

 corides, it begins to flower at the time the swallows appear. ) 



1. C majus, L. (Celandine.) Flowers several, in umbel-like clusters. — 

 Waste grounds near dwellings. May -Aug. (Adv. from Eu.) 



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