5S PAPAVERACE^. ( POPPY FAMILY.; 



* Petals 8 - 12, not crumpled iu the bud, white. Pod 1-celled, 2-valved. 



1. Sanguinaria. Petals white. Leaves and 1-flowered scape from a short rootstock. 



* * Petals 4, crumpled iu the bud. Pod 2-valved or more. 

 -I- Pod 2-4-valved, the valves separating to the base from the placentas. Leaves pinnately 



parted. Flowers yellow. 



2. Stylophorum. Pod bristly ; style distinct ; stigmas and placentas 3-4. 



3. Chelidoniiim. Pod linear, smooth ; style almost none ; stigmas and placentas 2. 



4. Glauciuin. Pod rough, long-linear, 2-celled by a spongy partition ; style none. 



1- ■*- Pod 4- 20-valved, dehiscent only at the top or to the middle. 



5. Papaver. Ovary incompletely many-celled ; stigmas united into a radiate sessile 



cr<iwn. 



6. Argemone. Stigmas (sessile) and placentas 4 - 6. Pod and leaves prickly. 



1. SANGUINARIA, Dill. Blood-root. 



Sepals 2. Petals 8-12, spatulate-oblong, the inner narrower. Stamens 

 about 24. Style short ; stigma 2-grooved. Pod oblong, turgid, 1-celled, 2- 

 valved. Seeds with a large crest. — A low perennial, with thick prostrate 

 premorse rootstocks, surcharged with red-orange acrid juice, sending up in 

 earliest spring a rounded palmate-lobed leaf, and a 1 -flowered naked scape. 

 Flower white, handsome, the bud erect, the petals not crumpled. (Name 

 from the color of the juice.) 



1. S. Canadensis, L. — Open rich woods ; common. April, May. 



2. STYLdPHORUM, Nutt. Celandine Poppy. 



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

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

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

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

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

 (From ffTv\05, st///e, and (pepoi, to bear, one of the distinctive characters.) 



1. S. diphyllum, Xutt. Leaves pale or glaucous beneath, smoothish, 

 deeply pinnatifid into 5 or 7 oblong siuuate-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 Wise, and Tenn. May. — Foliage and flower resembling 

 Celandine. , 



3. CHELIDONIUM, L. Celandine. 



Sepals 2. Petals 4. Stamens 1 6 - 24. Style nearly none ; stigma 2-lobed. 

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

 ward. Seeds crested. — Biennial herb with brittle stems, saffron-colored acrid 

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

 yellow flowers'in a pedunculate umbel ; buds nodding. (Ancient Greek name 

 from x^^^^^^^ tl^® sicallow, because its flow^ers appear with the swallows.) 



C. MX.irs, L. (Celandine.) Waste grounds near dwellings. May -Aug. 

 (Adv. from Eu.) 



4. GLAUCIUM, Tourn. Horn-Poppy. 



Sepals 2. Petals 4. Style none ; stigma 2-lobed or 2-horned. Pod very 

 long and linear, completely 2-celled by a spongy false partition ; seeds crest 



