cruciferj:. 43 



CAPSELLA, Vent 



69. C. Bursa-pastoris, DC. Shepherd's Purse. Mother's Heart. 

 Bursci-Pastoris, Ger. (Blackst.). 



Cyb. Br. i. 120 ; Comp. 93. Syme E. B. i. t. 152. 



On and under walls, by roadsides, waste places, and fields ; very common. 



A. March — September. 

 This well-known weed occurs almost everywhere throughout the county. 



In London itself, it grows abundantly in the squares and less frequented 



streets, being one of the few plants which can resist the adverse 



influences of the metropolis. 

 First record: Robert Turner, 1664. 



SENEBIERA, Pers. 



70. S. Coronopus, Poiret. Coronopus Euellii, Gaertn. (L. Cat.). 



Swine Cress. 

 Nasturtium supinum capsulis verrucosis. Bay Meth. em. (Blackst.). 

 Cyb. Br. i. 116 ; Comp. 92. Syme E. B. i. t. 160. 



Koadsides, foot of walls, waste places ; very common. A. June — Sep- 

 tember. 

 Throughout all the districts. 

 VII. [Tothill Fields ; 6^er. 347.] Kensington Gardens {v. s.); by Trinity 

 Church, Albany St., N.W. ; Warren. Fulham. Green Park. 

 Kentish Town. Highbury. Hackney Wick. 



First record : Gerarde, 1597. 



71. * S. didyma, Pers. Coronopus didyma, Sm. (Lond. Cat.). 

 Lepidium didymum; L. (Smith). 



Cyb. Br. i. 115 ; iii. 379 ; Comp. 92. Syme E. B. i. t. 160. 



Road-sides, on a sandy soil ; rare. A. June — September. 

 II. Road by Strawberry Hill House, a few plants. 



III. Road bet. Hounslow and Hanworth, by the Drilling Ground ! ; Newh. 

 Several places on the Staines Road, near the 1 1-mile stone, especially 

 in a gravel-pit on the S. side of the road. 

 VI. Southgate, and lane bet. Southgate and Colney Hatch, ' well esta- 

 blished ;' Phyt. X.S. vi. 303. 

 VII. Highgate Archway; Irv. MS8. and Lond. Flora, 163. In a man- 

 ner naturalised in Chelsea Gardens ; E. B. 248. Chelsea CoUege, 

 1861 ; Britten. Roadside at Parson's Green, 1862, a few specimens. 

 Abundant there a few years before; Irvine. Still there in 1867 ! ; 

 Newb. In some plenty in the Isle of Dogs ; Cherry (v. s.). 



First record : J. E. Smith, 1795. This has much the look of a native 

 in III., but in the other districts is, no doubt, an introduction. It 

 has been said to be of American origin. 



