REPORT FOR 1912. 



231 



Cochlearia miglica, L. Bank of R. Dee (tidal), known as " Navi- 

 gation Cop," Flintshire, v.-c. 51, May 20, 1911, and May 7, 1912.— 

 C. Waterfall. 



Sisymbrium altissimum, L. = S. pmitionic^im, Jacq. Upon a recent 

 visit to St. Anne's-on-the-Sea, West Lancashire, I noticed, July 19, 

 1912, a considerable extension of the area occupied by this plant. 

 Ten years ago it was for the most part confined to the banks of the 

 railway bridge over St. Thomas's Road, but it is now the predominant 

 plant in the district between Blackpool and Lytham, giving a con- 

 spicuous colour to the vegetation. It was particularly abundant about 

 the Free Library, St. Anne's. During the same period great changes 

 have taken place in the vegetation of the sand dunes on the Lanca- 

 shire coast, due to the construction of new roads, embankments, and 

 drainage. Ten years ago Ambrosia artemisifolia, L., covered several 

 acres of ground in St Andrew's Road, South, St Thomas's Road, 

 Orchard Road, and neighbourhood, now covered by new roads and 

 houses. This species has extended to fresh sites in Fairhaven Road, 

 Hornby Road, in the rear of the Free Library, and to other sites 

 on the sandhills. One old colony off Beech Road still survives. — 

 C. Bailey. 



Camelina sativa, Crantz. Fields of clover near Cothill, Berks, 

 June 1912. Also seen at Bayswater, Oxford, Aug. 1912. — G. C. 

 Druce. "Yes." — A. Thellung. 



Brassica monensis, Huds. Duddon Estuary, Askham, v.-c. 69, 

 Aug. 14, 1912. A luxuriant colony was at the top of an extremely 

 steep and slippery bank, a place having all the appearance of being 

 inaccessible to animals. — D. Lumb. " Yes ; and now removes the 

 query against it for 69 in Top. Bot^ — G. C. Druce. 



Brassica Cheiranthus, Vill. Par Sands, East Cornwall, v.-c. 2, 

 July 1, 1912. The leaves and lower part of the stem are not as 

 hispid as one might expect from the books. As Mr Davey remarks in 

 his Flora, it has all the appearance of a native at Par, but in the 

 Land. Cat. it is credited to the Channel Islands only. — C. C. Vigurs. 



Brassica (\) Erucastrum, Yill. Pods and seeds. [Ref. No. 0.] 

 These were gathered on the railway side, at Askham-in-Furness, and on 

 the shore at Greenodd. Can any member suggest any plants which 

 have similar sub-spherical reticulated seeds 1 — D. Lumb. 



Gapsella Bursa-pastoris, Medic, var. Aberdare, v.-c. 41, Sep. 1912. 

 Capsules narrowish, more deeply cleft than usual ; style much shorter 

 than notch. Is this a named var. I—H. J. Riddelsdell. "This comes 

 nearest to the var. brachycarpa, Mott." — G. C. Druce. 



