WILD FLOWERS OF NEW YORK 121 



number of erect, very slender pods, narrowed at each end and about an 

 inch long. 



In low, wet woods, thickets and wet meadows, New Brunswick to 

 Vermont, southern Ontario and Minnesota, south to Florida and Texas. 

 Flowering in April and May, or in cool woods as late as early June. 



The Purple Cress (Cardamine douglassii (Torrey) Britton) 

 has leaves which are more angularly toothed and showy purple flowers 

 often three-fourths of an inch broad. It is found in cold, springy places 

 in the northern part of the State. 



The True Water-cress (Sisymbrium nasturtiu m-a qua- 

 ticu m Linnaeus) is a native of Europe, but is common in brooks and 

 streams in most parts of New York. 



Cut-leaved Toothwort or Pepperroot 



Dentaria laciniata Muhlenberg 



Plate 8la 



Stems erect, pubescent or glabrous, 8 to 15 inches high from a deep, 

 perennial, tubercled, jointed rootstock, the joints easily separable. Leaves 

 all petioled, 2 to 5 inches broad, those on the stem usually three and forming 

 a whorl, rarely distant, three-parted nearly to the base, the divisions lanceo- 

 late, linear or oblong, the lateral ones often deeply cleft, all deeply toothed 

 or lobed; basal leaves similar, usually developing later than the flowering 

 stems. Flowers numerous in a stout, broad raceme, two-thirds to three- 

 fourths of an inch broad, pink or white. The four petals longer than 

 the sepals. Stamens six. Fruiting pod linear, ascending, 1 to i| inches 

 long. 



In moist or rich woods, Quebec to Florida, west to Minnesota, Kansas 

 and Louisiana. Flowering in April and May. 



Two-leaved Toothwort or Crinkleroot 



Dentaria diphylla Michaux 



Plate 81b 



Stems stout, simple, glabrous, 6 to 14 inches high from a perennial, 

 notched but continuous rootstock. Basal leaves long petioled, 4 to 5 inches 



