Papaver PAPAVERACEAE-FUMARIACEAE Eschscholzia 



regular; sepals 2; petals showy or wanting; stamens numerous; ovary 1-celled, 

 becoming a capsule. About 30 genera with 300 species, especially in north temperate 

 regions; 10 genera and more than 25 species in China. 



Key to the Genera 



Plants with milky or colored sap : Ivs. not finely divided, sometimes 

 pinnately cleft. 



Petals present, deciduous 1 . Papaver 



Petals wanting 2. Macleaya 



Plants with watery sap : lvs. finely divided 3. Eschscholzia 



1. Papaver Linn. Poppy H^M (Yin Su Shu) 



Lvs. lobed or dissected: fls. showy and solitary; petals usually 4, deciduous: 

 capsule dehiscent by pores under the disk-like top which is formed by union of the 

 stigmas. 50 species, mostly of the Old World; two or more in China. (The Latin 

 name.) 



Key to the Species 



Stem lvs. clasping : plant glaucous 1 . P. somniferum. 



Stem lvs. not clasping: plant usually more or less haiiy 2. P. rhoeas 



1. Papaver somniferum Linn. Opium Poppy ||^ (YingSu; Bowl (flower) and Millet 

 (seeds)) (G.M. 681). Erect herb, to 2m.; fls. pink, white or red, V. Eurasia; 

 locally in An. Cultivated, ornamental and opium. 



2. Papaver rhoeas Linn. Corn Poppy M^tt (LiCh'unHua; Beautiful-spring Flower) 

 (G.M. 681). Erect herb, to lm.; fls. pink, V-VI. Eurasia; locally in Ku. 

 Cultivated, ornamental. Fig. 126. 



2. Macleaya R. Br. Wt^MB, (Po Lo Hui Shu) 

 Erect, sometimes almost shrubby, herbs: lvs. pinnately lobed, glaucous beneath: 

 fls. numerous, in terminal panicles; sepals cream-colored; petals ivanting: capsules 

 flattened. Two species, in eastern Asia. (After Alex. Macleay, Colonial Secretary 

 of New South Wales.) 



1. Macleaya cordata (Willd.) R. Br. Plume Poppy f$ : ^$l (Po Lo Hui; Bending- 

 spreading Plant) (G.M. 680). Erect herb, to 3 m.; fls. white, VI; fr. brownish, 

 VII-VIII. China, Japan; locally in An., Ki., Ku., Che., Hon., Hup. Grassland. 

 Fig. 127. 



3. Eschscholzia Cham. ^MaxM^ (Chin Ying Hua Shu) 



Spreading herbs with ivatery sap and finely divided lvs.: fls. showy and solitary; 

 sepals joined into a pointed hood which is crowded off as the fl. expands; petals 

 4: capsule long and slender, dehiscent by two longitudinal valves. About 12 species, 

 in western North America; one cultivated in China. (After J.F. Eschscholtz, 1793- 

 1831, member of Kotzebue's scientific expedition.) 



1. Eschscholzia calif ornica Cham. California Poppy iz^Tt (Chin Ying Hua; 

 Golden-eminent Flower) (B.M. 426). Bushy herb, to 1 m. ; fls, yellow. IV. Western 

 United States; locally in Ku. Cultivated, ornamental. Fig. 128. 



71. FUMARIACEAE Fumitory Family ffi&$.ft% (Ho Pao Mu Tan K'o) 

 Delicate smooth herbs, closely allied to Papaveraceae with which it is often 



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