II 
N. palustre ( D . C.). Fig. 31. Marsh Yellow Cress. Native. 
P. VI-IX. 
Wet places, or where water has stood. Frequent. 
L. Near Aintree Village. 
C. About Leasowe ; Raby ; Overpool. 
N. amphibium ( R . Br.). Fig. 32. Great or Amphibious Yellow 
Cress. Native. P. VI-VIII. 
Watery places. Rare. 
L. Formby and Southport (D.). (?) extinct. 
C. Many ditches from Leasowe to West Kirby, extending 
inland to near Saughall Massie (D. ; &c.). 
Barbarea ( R . By.). Yellow Rocket. 
B. vulgaris (R. Br.). Fig. 33. Winter Cress or Yellow Rocket. 
Native. B. or P. V-VIII. 
Damp places. Frequent. 
C. Raby Mere ; Newton cum Larton ; Backford ; Shotwick. 
B. intermedia ( Boreau ). Denizen. Cultivated fields. Very rare. 
B. V-VII. 
L. 1862, Among Rye grass in a field at West Derby (Flora 
Committee) . 
C. 1866, in a field of turnips near Hooton (f.m.w.). 
B. praecox ( R . Br.). Early Winter Cress. Alien. B. V-VII. 
Cultivated ground and roadsides. Occasional. 
L. 1891, Borders of fields near Kirkby ; Railway bank near 
Aintree, 1893 (j-A.w.). 
C. Raby ; Greasby ; Ness (Dr. g.). 
B. stricta [Andre). Native. B. V-VIII. 
C. By the wooden bridge over the mill brook before entering 
the lane up to Stoke (f.m.w. ; w.w.n.). Needs recent con- 
firmation. 
Arabis (. L .). Rock Cress. 
A. sagittata ( D . C.). Fig. 34. Hairy Rock Cress. Native. 
B. VI-VIII. 
(A hirsuta, Syme). 
Sandhills. Occasional. 
L. Formby. 
C. 1883, in a narrow lane leading from near Meols Station 
towards Greasby (r.b.). Shotwick ; Sandhills about Wallasey 
(Dr. G.). 
