84 POPPY FAMILY 



this plant often shows a luxuriant erect growth that is 

 quite different from its floating habit when the ponds are 

 filled by summer rains. 



Castalia odorata. Pond lily. Water lily. Flowers white, 

 fragrant, 3-5 in. across, solitary, on long stalks. Sepals 4, 

 petals many, stamens many. Leaves roundish, 3-9 in. across. 

 In ponds, lakes, and slow streams. Blooming from spring 

 to fall. Fla. to La. and northward. 



Nymphaea macrophylla (Nuphar). Bonnets. Yellow lily. 

 Flowers yellow, 1-2 in. across, solitary, on long stalks. Sepals 

 5-6, concave, yellow within. Petals many, stamen-like, nar- 

 row. Stamens many. Leaves oblong or broad, 8-20 in. long. 

 In ponds, lakes, and slow streams. Blooming chiefly from 

 spring to fall. Fla. to La. 



POPPY FAMILY (Papaveraceae) 



Prickly plants. Sap yellow. Flowers showy, yellow or white. 

 Leaves alternate. Fruit a capsule. 



Prickly Poppy (Genus Argemone) 



Plants of this genus are allied to the bright red poppies 

 of European grain fields, and to the golden California 

 poppies of the West, but, unlike these relatives, the prickly 

 poppies have developed defensive weapons, — stilettos their 

 delicate spines are, which too readily become detached and 

 remain in the hand that attempts to pick the flowers. 



The white prickly poppy, A. alha, locally abundant in 

 neglected fields, begins to bloom in early spring, and is 

 a strikingly handsome plant, with gray-green foliage, and 

 large white flowers. 



The yellow prickly poppy, A. mexicana, an introduced 

 weed, is not uncommon in waste places near towns, where 

 it begins to bloom in late winter. 



The large crinkled petals are protected in bud by bristle- 

 armed, horned sepals, which fall as the flowers open. The 



