PAPAVEBACEAE. 155 



Family 1. PAPAVERACEAE B. Juss. Poppy Family. 



Flowers regular. 



Pod dehiscent at the top, or only to the middle. 



Leaves n,ot spiny : toothed. 1. Papaver. 



Leaves spiny-toothed. 2. Argemone. 



Pod dehiscent to the base. 



Flowers white; juice red. 3. WanguinWria. 



Flowers and juice yellow. 



Capsule long-linear, rough, tipped with a dilated stigma. 



4, Glauewm. 

 Capsule linear, smooth, tipped with a subulate style arid min- 

 ute stigma. 5. Chelidonium. 

 Flowers irregular. Family Fumariaceae DC. 



Each of the two outer petals spurred at the base. 



Corolla deeply cordate at base; petals slightly coherent. 



6. Bicuculla. 

 Corolla rounded or slightly cordate; petals permanently coherent, 

 persistent. 7. Adlumia. 



One of the outer petals spurred at the base. 



Capsule 2-valved, few-several-seeded. 8. Capnoides. 



Fruit globose, indehiscent, 1-seeded. 9. Fumaria. 



1. PAPAVEE L. Poppy. 



Glabrate and glaucous; leaves lobed, clasping; capsule subglobose. 



1. P. somnifernm. 

 Green, hirsute ; leaves pinnately divided. 

 Capsule glabrous. 



Capsule subglobose or top-shaped. 2. P. Ehoeas. 



Capsule oblong, narrowed below. 3. P. dubium. 



Cap*sule oblong, hispid with a few erect hairs. 4. P. Argemone. 



1. Papaver somnifeeum L. M. p. 438. Waste grounds and ballast. 



Summer. 



Philadelphia— Woodlands Cemetery (Mac.), Girard Point (Ja.). Bucks 

 —Near Sellersville (Fr.). Delaware— (P.). Lancaster— (P.). North- 

 ampton— (P.). 



Camden— Kaighn 's Point (Wn.). 



New Castle — Not uncommon. 



2. Papaver Rhoeas L. M. p. 438. Ballast. Summer. 



Philadelphia— Girard Point (Ja.). Delaware— Near Darby, Dr. Geo. 

 Smith (Fu.). 



Camden— Kaighn 's Point, C. A. Boice (B. C.) (Ja.). 



3. Papaver dubium L. M. p. 438. Waste arid cultivated grounds. Sum- 



mer. 



Montgomery — Areola (Cr.). Delaware — Darlington Station (Fu.), 

 Newtown Square (Ja.), Burmont (Mac), Valley of Darby Creek (B. 

 Sin.), Glen Mills (S. Tr.), Concord (W. Tr.). Chester— (P.). Lancaster— 

 Pleasant Grove (Ca.), Paradise (St.), Bird-in-Hand (Wn.). Northamp- 

 ton— (P.). 



Burlington — Moorestown (Sts.). Camden — Kaighn 's Point (Ja.) 

 (Wn.). Ocean— Forked Eiver (Ja.). 



New Castle— Point Lookout, etc. Scarce. 



4. Papaver Argemone L. M. p. 438. Waste grounds and on ballast. 



Summer. 

 Philadelphia— (P.) . 



