28 



4. CRUCIFER^. 



Roadsides in moist places. — 

 Sept. - Oct. — Europe ; western 

 Asia. 



L. riideraJc, L. (Narrow-leaved 

 Cress), found in all temperate 

 climates and native to South 

 Australia, often appears in crops 

 in the northern areas, growing 

 as high as the wheat. It has long 

 racemes of oval pods, notched at 

 the summit. 



8. Capsella. Medikus. 



(Diminutive from Latin capsa. a 



box ; alluding to the shape of 



the pod.) 



1. Capsella Bursa-pas- 



toris, Moench. Shepherd's 

 I'lirsc. Downy annual, with 

 tapering root ; radical leaves in a 

 rosette, toothed, pinnatifid or al- 

 most entire, upper leaves clasp- 

 ing the 



Lepidium Draba. 



Capsella Bursa-pastoris. 



erect stem with short 

 auriele>s; f^o^^■ers small, white; 

 fruitino; raceme long and loose, 

 witli spreading pedicels longer 

 than the pods, which are triangu- 

 lar - compressed, truncate and 

 notched at top ; style verv short ; 

 seeds 10-15 in each cell ; coty- 

 ledons incumbent. 



Waste places. — Aug. -Oct. —In 

 all countries outside the tropics. 



9. Senebiera, Poiret. 



(After Senebier, a botanist of 

 Geneva.) 



Pod almost circular, com- 

 pressed, wrinkled, with 2 in- 

 dehiscent 1-seeded cells; coty- 

 ledons incumbent. Flowers white, 

 in short racemes, opposite the 

 leaves. 



Fruiting racemes long ; pod slightly wrinkled <S'. liiimatifida 1 

 Fruiting racemes short ; pod coarsciy wrinkled .S'. Coroiwpus 2 



1. Senebiera pinnatifida, DC. (1799). Lesser 

 Swine-crcss. Ill-smelling annual, with prostrate or ascend- 

 ing, villous stems ; leaves pinnatisect, with entire or in- 



