DESCRIPTIVE MANUAL 



167 



Fig. 9 3- A. Distribution of Tumbling Mustard. 



Marsh Cress (Radicula palustris (L.) Moench.). 

 Description. — An annual or biennial; erect, smooth, or slightly 

 pubescent herb; from 1-1% ft. high; leaves pinnately cleft or 

 parted, pinnatifid; the lobes toothed; upper leaves sessile; flowers 

 yellowish in racemes; pods ellipsoid or ovoid. 



Fig. 94. Marsh Cress (RaMcula palustris). Common in low grounds. 

 (Photographed by Colburn.) 



