120 FLOWERS OF FIELD, HILL, AND SWAMP 



ing, thick, deeply-cleft at their base, a foot long. Tiftie, sum- 

 mer. 



Sepals, 5 or 6, greenish. Petals, numerous, stouter than, 

 and passing into, the stamens. 



This plant is a coarse imitation of the water-lily. It is com- 

 mon, sometimes found in the same waters with the white water- 

 lily. The fruit ripens above water. Without fragrance. 



8 



N. Kalmianiim is slender- stemmed, with thin, roundish, 

 kidnej'-shaped, submersed leaves, and others larger, floating, 

 broadly elliptical. Flowers yellow-petalled, with red stigmas. 



Maine to Pennsylvania, and westward. 



g. Umbelled ^A^ate^-pennywo^t 



n Hydrocoiyle umbellaia. — Family, Parsley. Color, white. 



Leaves, orbicular, crenate, small, with the long petiole fastened 

 to the middle underneath. Ti7ne, June, July. 



Flowers, small, umbelled, pedicelled, white or greenish, from 

 root-stocks creeping in the mud. The leaves are tiny imitations 

 of lily -pads. After flowering, the top of the water where it 

 grows is covered with the specks of white blossoms. Leaf-stalks 



1 to 6 inches long. 



10 



H. verticillata sends out runners, and has few flowers in 

 interrupted spikes. Leaves like the last. Flower stems i or 



2 inches long. 



II 



S'lum Carsbnii. — Family, Parsley. Color, white. Leaves, 

 pinnate. Leaflets, i to 3 pairs, or a single terminal leaflet, 

 sharply toothed, long and narrow ; submersed leaflets toothed 

 or cut irregularly and deeply. 2'i}?ie, July to October, i or 2 

 feet long. 



Generally growing in water, sometimes along tlie shore. Flow- 



