58 FAM. 74, 75, 76. 



fleshy receptacle; ovaries 1-celled, ovule 1, rarely 2; fruit 

 consisting of several nuts in the accrescent receptacle. 



Nelumbo lutea, Water Chinquapin. American Lotus. Flowers pale-yellow. 

 N. speciosa (nucifera), Indian Lotus. Flowers pink, fragrant. Cultivated. 



74. Nymphaeaceae, Water Lily Family. 

 Aquatic acaulescent herbs with large rootstalks often 

 tuber-bearing; alternate leaves with long petioles, those 

 erect or floating leathery, those submersed membranous; 

 flowers on long scapes; sepals 4-6; petals numerous, pass- 

 ing into stamens or staminodia; stamens numerous with 

 adnate anthers; carpels several, more or less united into 

 a compound ovary; stigmas united into a disk; fruit a 

 leathery, many-seeded berry. Ponds, lakes and rivers. 

 Summer. 



1. Flowers yellow, erect at the ends of the scapes; sepals 5-6 leathery; 

 petals 10-20 narrow; stamens hypogynous. 



Nymphaea, (Nuphar), Spatterdock, Bonnets 



N. sagittafolia. Emersed leaves narrow, ovate, more or less sagittate, stig- 

 matic disk with 11-15 lines. Ponds near the coast. Summer. 



N. advena. Emersed leaves oval, more or less cordate; stigmatic disk with 

 12-24 lines. Ponds and lakes. Summer. 

 1. Flowers white, yellow, pink, floating at the ends of the peduncles; 

 sepals 4; petals imbricated in series, numerous; stamens epi- 

 gynous. .... Castalia (Nymphaa), Water or Pond-lily 



C (N.) odorata. Leaves with slender petioles; flowers 7-15 cm. broad, white 

 or pink, fragrant. 



C. reniformis. Leaves with thick petioles; flowers 18-25 cm. broad, white, apple- 

 scented. 



C (N) flava. Leaves with slender petioles; flowers 6-10 cm. broad, yellow. 



75. Papaveraceae, Poppy Family. 

 Herbs, rarely shrubby, usually with colored sap; leaves 

 mostly alternate, without stipules, entire or divided; flowers 

 with 2-3 caducous sepals, 4-12 deciduous petals, numerous 

 distinct stamens; ovary 1-celled, with parietal placentae; 

 fruit a capsule, with numerous seeds. 



Argemone Mexicana, Mexican Poppy. A spiny herb with yellow sap; leaves 

 blotched with white, sessile or clasping, pinnatifid, spiny; sepals 2-3, hooded 

 or horned; petals 4-8 yellow; fruit spiny. Waste places. Spring to Fall. 



A. alba, White Poppy. Stem stout, not pubescent; leaves pinnately-lobed or 

 pinnatifid, whitish along the veins; midrib prickly; flowers peduncled; the 

 horns of the sepals erect; petals white. Sandy soil. Spring and Summer. 



76. Brassicaceae (Cruciferae), Mustard Family. 



Herbs or shrubby plants with pungent watery sap, 

 alternate exstipulate leaves, and regular hypogynous flowers 



