DICOTYLEDONS. 73 



III. NELUMBO. 



Rootstock thick, creeping; leaves orbicular, centrally pel- 

 tate, concave above, raised above the water or floating; 

 flowers solitary on long peduncles, raised above the water at 

 flowering, but the maturing ovaries often submersed ; flowers 

 hypogynous ; sepals and petals similar, numerous ; filaments 

 somewhat petal-like; seeds in pits in the upper surface of the 

 top-shaped receptacle. 



N. LUTEA (Willd.) Pers. American Lotus. Rootstock often 

 3-4 in. in diameter, horizontal ; leaves Ij--^ ft. broad, prominently 

 ribbed, very glaucous above, often pubescent beneath ; petioles and 

 peduncles stout ; flowers pale yellow, 5-9 in. broad ; sepals and 

 petals falling (pdckly ; fruit top-shaped, 3-4 in. in diameter ; the 

 seeds ^ in. in diameter, immersed in pits in the upper surface. May- 

 August. In ponds ; introduced from the southwest. 



38. MAGNOLIACEiE. MAGNOLIA FAMILY. 



Trees or shrubs; all parts more or less aromatic; leaves 

 alternate, simple, petioled, entire or lobed ; flowers solitary, 

 large and showy, hypogynous ; sepals and petals in 3's ; sta- 

 mens many; ovaries numerous, usually cohering over the 

 elongated receptacle ; fruit dry or fleshy. 



I. MAGNOLIA. 



Aromatic trees or shrubs; leaves alternate, often in clus- 

 ters at the ends of the branches, entire, usually thick and 

 leathery; stipules large, cpiickly deciduous; flowers terminal, 

 showy, perfect; sepals 3, caducous; petals 6-12, in 2-4 rows, 

 concave; stamens numerous; ovaries numerous, 1-celled, 2- 

 seeded, the mature follicles opening at the beak and the 

 fleshy seeds remaining for some time suspended by slender 

 threads. 



1. M. K<KTii)A (L.) Sarg. Lak(;i:-i iowkimo Maunoii a. A 

 large tree witli spreading ln'anclies and ;i louhfled top; hark nearly 

 smooth ; leaves very thick, evergreen, smooth and sliining above, 



