58 Botany. 



75. F. Vaillantii, Lois. 5 8, A. Colonist ; chalky arable fields 



very rare. 



1. Betw. Swanley and Wilmington, '04. A. O. Hume. 



76. F. parviflora, Lam. 5 8, A. Colonist ; chalky fields ; local 



1. Eynesford, M. 



a. Betw. Charlton and Greenwich, 1597. 



NOTE. Dicentra (Dielytra spectabilis) is cultivated. 



N.O. 2. CRUCIFER^E. 



79. CHEIRANTHUS cheiri, L. (WALLFLOWER). Denizen ; on old 



walls, cliffs, etc. ; freq. but gen. a garden escape. The 

 genuine wild form may be distinguished from the cultiv 

 forms by the stiff, acutely-pointed leaves. 



(29) RADICULA, Hill (NASTURTIUM, L.). 



80. R. Nasturtium-aquaticum, comb, nov. (Brit. Mus. Cat. ; 



N. OFFICINALE, Br. R. OFFICINALIS, Groves), WATERCRESS, 

 5 10, P. Running water ; very common. 



81. R. sylvestris, Druce, 6 8, P. Not uncom. on moist waste 



ground and old river gravels. 



1. Brook at Grove Park ; by railway, Bexley Heath. Dod. 



2. Nr. Beckenham Hill Railway Station, '04. W.H.G. 



3. Bromley, Hayes, '97. Sc. 



82. R. palustris, Moench, 6 10, A. or B. Damp, waste ground ; 



local. 



1. Crown Woods ; roadsides, Plumstead. Dod. 



2. Stream betw. Grove Park and Mottingham. Dod. 



3. In dry pond in Gravel-pit, nr. Ravensbourne Railway 



Station, '01. W.H.G. 



4. Ditches at Farnborough, c. '92. A.D.W. 



5. Hayes, Beckenham, '97. Sc. 

 a. Pits at Blackheath (1836). 



83. R/amphibium, R. Br. (Associated by Bab. with the Horse- 



radish under the name ARMORACIA AMPHIBIA ; " a junction 

 quite artificial," B. & H. In Brit. Mus. Cat. '07 as A. 

 AMPHIBIA, Pet.) Wet places ; rare. 



a. Sparingly at Orpington, c. 92. A.D.W. 



(30) BARBAREA, R. Br. 



84. B. lyrata, Asch. (VULGARIS, Br.), 58, B. or P. ? Very 



common in wet places. 



1. Catford, '04. W.H.G. 



2. Fields nr. Shooter's Hill, '06. L.C.C. 



