Papaver.] PAPA PER ACE^J. 17 



1. PAPA'VER, L. Popry. 



Animal erect herbs ; juice milky. Leaves lobed or cut. Flowers long- 

 peduncled honeyless, proterandrous. Ovary 1 -celled ; style short or 0, 

 stigmas opposite the placentas united into a fiat or pyramidal sessile or 

 stalked 4-20-rayed disk ; placentas prominent. Capsule short, opening 

 by very small valves under the lobes of the persistent stigma. Seeds 

 small, pitted. — Distrib. Europe, N. Africa, N. Asia, one S. African and 

 one Australian ; species 12. — Etym. obscure. 



1. P. hy'bridum, L. ; leaves 2-3-piimatifid sparingly hispid, fila- 

 ments dilated upwards, capsule globose sessile bristly, stigma convex, 

 rays 4-8. 



Dry fields and waste places from Durham and Carnarvon southd.; rare in 

 Ireland ; Channel Islands ; (a colonist, Wats.); fl. May- July. — Stem 10-18 in., 

 sparingly branched. Leaves with acute or awned lobes. Floicer 1-2 in. 

 diam., scarlet with a black disk. Capsule \ in. ; stigmatic rays reaching or 

 exceeding the edge of the disk. — Distrib. Europe, N. Africa, W. Asia to 

 the Himalaya. 



2. P. Argemo'ne, L. ; leaves 2-pinnatifid, filaments dilated upwards, 

 capsule c]avate usually hisj)id, stigma convex, rays 4-6. 



Waste dry places from Ross, southd. ; rare in Ireland ; Channel Islands : (a 

 colonist, Wats.) ; fl. May-July. — Habit, &c, of P. hyb'ridum, but weaker, 

 flowers smaller and paler, petals narrower, and capsule very different. 

 The smallest British species. — Distjbib. Europe, N. Africa, W. Asia ; introd. 

 in America. 



3. P. du'bium, L. ; leaves 1-2-pin natifid, filaments filiform, capsule 

 sessile obovoid glabrous, stigma 6-12-rayed. 



Waste places N". to Shetland ; Ireland ; Channel Islands ; (a colonist, Wats.); fl. 



May-July.— Habit of succeeding species. Hairs of peduncles appressed. 



Pairs of petals unequal. — Distrib. Europe, N. Asia, N.W. India ; introd. in 



America. 

 P. du'bium proper; sap white, leaf-lobes shorter, capsule narrowing from 



just below the stigma to the base, lobes of stigmatic disk spreading. P. 



Lamottei, Bor. Abundant. 

 Sub-sp. P. Lecoq'ii, Lamotte ; sap yellow on exposure, leaf-lobes longer, 



capsule broadest at ^ below the stigma, lobes of stigmatic disk deflexed. 



England, Scotland, Ireland, rare. 



4. P. Rhoe'as, L. ; leaves 1-2-pinnatifid, filaments filiform, capsule 

 subglobose glabrous, stigma convex with overlapping lobes, rays 8-12. 



Cornfields and waste places ; rare N. of the Tay ; Irela id ; Channel Islands ; (a 

 colonist, Wats.) ; fl. June- Aug. — Stem branched, hispid. Leaf lobes ascend- 

 ing, with a bristle at the tip. Peduncles with spreading or appressed (P. 

 strif/o'sum, Boenn.) hairs. Flowers 3-4 in. diam. scarlet; pairs of petals 

 unequal. Capsule stipitate. — Distrib. Europe, N. Africa, W. Asia to India. 

 — A form entirely intermediate between P. dubium and P. Rhoeas has been 

 found in Surrey by Mr. G. Nimolson. 



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