i5 
B. Rapa ( L .). Turnip. Denizen. 
Cultivated ground. Occasional. 
C. Near Raby Mere (Dr. g.). 
B. monensis ( Finds .). Fig. 59 . Isle of Man Cabbage. Native. P. 
VI-VIII. 
Sandhills. Frequent. 
B. nigra (Koch). Fig. 50. Black Mustard. Native. A. VI-VIII. 
Sandy ground near the coast. Frequent. In cultivated land 
and the borders of fields. Occasional. 
C. Wallasey to West Kirby, &c. 
B. Sinapis (Visiani). Fig. 51. Charlock. Native. A. VI-VIII. 
(Sinapis arvensis, L.). 
In cornfields, &c. Very common. 
B. alba ( Boiss ). Fig. 52. White Mustard. Casual. A. VII. 
Cultivated ground. Very rare. 
L. 1892, on rubbish, Aintree Racecourse (j.a.w.). 
C. 1895, on a rubbish heap just W. of Eastham Ferry (Dr. g.). 
DIplotaxis ( Cand .). Wall-Mustard. 
D. tenuifolia ( D . C.). Fig. 53. Narrow-leaved Wall-Mustard. 
(?) Native. P. VI-IX. 
On old walls. Very rare. 
C. On a low wall bordering a garden by the Parkgate shore 
(h.s.f. ; F.M.W.). 
D. muralis ( D . C.). Fig. 55. Wall or Sand Mustard. Native. 
A. VI-VIII. 
Roadsides and sandy places. Rare. 
L. Scattered about the sandhills near the railway between 
Waterloo and Freshfield. 
C. Has been occasionally found about new made roads at 
Oxton and Claughton. 1879, about the Red Noses, New 
Brighton (Dr. g.). 
Capsella (Vent.). Shepherd’s Purse. 
C. Bursa*pastoris (Moench). Fig. 55. Shepherd’s Purse. Native. 
A. III-V. 
In waste and cultivated ground and by roadsides. Very 
common. 
Senebiera (Pers.). Wart-Cress. 
S. didyma, Pen. Fig. 56. Lesser Wart-Cress. Native. A. 
VI-VIII. 
Sandy banks and waste ground. Rare. 
