EXPERIMENT STATION BULLETINS. 



337 



Fig. 95 (87). 



Shepherd's Purse. Capsella Bursa-pastoris 

 (L.) Medic. A fall annual, or annual, erect, 

 branching, 15-40 cm. liigh; lower leaves var- 

 iously pinnatifid, forming a rosette, stem 

 leaves few, sagittate; flowers in racemes, white; 

 fruit flat, triangular, about 5 mm. across. 

 Naturalized from Europe and very widely 

 distributed. Extremely variable. 



43 



Fig. 96 (88). 



Hare's-ear Mustard. Conringia orienlalis 

 (L.) Dumort. A smooth, slightly succulent 

 annual, or fall annual, 30-120 cm. high; leaves 

 fleshy, sessile, entire, flowers creamy white; 

 pods erect, square, 7-10 cm. long. 



Rapidly spreading in northwest British 

 provinces; sparingly introduced into Michigan, 

 originally from Europe. 



