PAPAVEEACEAE. 155 



Family 1. PAPAVERACEAE B. Juss. Poppy Family. 



Flowers regular. 



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



Leaves not spiny-toothed. 1. Papaver. 



Leaves spiny-toothed. 2. Argemone. 



Pod dehiscent to the base. 



Flowers white; juice red. 3. Sanguinaria. 



Flowers and juice yellow. 



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



4. Glaucium. 

 Capsule linear, smooth, tipped with a subulate style and 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, indehiseent, 1-seeded. 9. Fumaria. 



1. PAPAVER L. Poppy. 



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



1. P. somniferum. 

 Green, hirsute ; leaves pinnately divided. 

 Capsule glabrous. 



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



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



Capsule oblong, hispid with a few erect hairs. 4. P. Argemone. 



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



Summer. 



P/iitodeZp/iia— Woodlands Cemetery (Mac.), Girard Point (Ja.). Bucks 

 —Near Sellersville (Fr.). Delajvare—(P.). Lancaster— (Y.). North- 

 ampton— (P.). 



Camden — Kaighn 's Point (Wn.). 



New Castle — Not uncommon. 



2. PAPA\rER Rhoeas L. M. p. 438. Ballast. Summer. 



P/ii?ade/p7iio— Girard Point (Ja.). X>e^aware— Near Darby, Dr. Geo. 

 Smith (Fu.). 



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



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



mer. 



Montgomery — Krcoia (Cr.). Petoware — Darlington Station (Fu,), 

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

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

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

 ton— (P.). 



Bu7-lin gton — Moorestown (Sts.). Camde« - Kaighn 's Point (Ja.) 

 (Wn.). Oceari— Forked River (Ja.). 



Neir Castle — Point Lookout, etc. Scarce. 



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



Summer. 

 Philadelphia — ( P. ) . 



