Argemone.] PAPAVERACE. 215 
-very caducous. Petals 4, rarely 6, Q-seriate, very rarely more and 
spi pogynous, large, crumpled, very caducous. Stamens many, 
several-seriate or spiral, hypogynous; filaments slender, innate ; 
anthers erect; dehiscence longitudinal, lateral. Carpels 2 or 
more, united in a superior 1-celled ovary with parietal or more 
or less intruded placentas, or 2-celled (Glaucium) by @ pseudo- 
as axis; style 0, or short, rarely long, stigmas always alternate with 
placentas though sometimes the adjacent halves of stigmas connate 
q pp tly opposit the pl eset } y-seriate parietal, 
very rarely (Bocconia) solitary, anatropous with a lateral raphe. 
Fruit a capsule, completely or partially dehiscent by valves or 
pores. Seeds many, small, frequently caruncled ; albumen fleshy 
or oily ; embryo minute. 
Sepals 2, petals 4; capsules globose; the stigmas sessile, radiating from 
its centre ver. 
Sepals 3, petals 6; capsules oblong; the stigmas plicate capitate, supported 
by a short distinct style ......-.ssssssccsecrecneereenenersensereessen ee? Argemone. 
Uy scsweedes ces heuer teense ss 
36. Papaver Linn. 
Annual or perennial herbs with milky juice ; leaves lobed or cut. 
Flowers on long peduncles. Sepals 2, rarely 3, caducous. Petals 4, 
rarely 6, 2-seriate, caducous. Stamens numerous, hypogynous. 
Carpels united in a 1-celled ovary with 4 or more intruded 
placentas, sometimes several-celled by complete intrusion of 
placentas as far as axis; style 0, stigmas connate as 4 discoid or 
pyramidal star with rays composed of conjoint half-stigmas oppo 
site each placenta. Frwit a short, usually truncate capsule, opening 
by short valves below the persistent stigma. 
59. Papavern somnrrerum Linn.; F. I. ii. 571; F. Bw. i. 117; 
E. D. P. 87. 
Tirhut, and Behar, cultivated only. 
A glabrous and glaucous annual, with milky juice; only 
white-flowered forms are cultivated in our area. Beng. 
Pasto.—The Opium Poppy: 
37. Argemone Linn. 
Annual herbs, erect, prickly; leaves variegated, lobed, lobes 
spinescent. Flowers in few-flowered cymes, with leafy bracts. 
3, very rarely 4, caducous. Petals 6, very rarely 8, 
