120 THE BOTANICAL EXCHANGE CLUB OF THE BRITISH ISLES. 



Sisymbrium orientale L. { = S. Colum7iae Jacq.). Par Harbour, 

 East Cornwall, June 19, 1914. I send this common alien because the 

 plants are mostly young ones, and show the lower foliage better than 

 I have ever seen before. — C. C. Vigurs. "Yes." — G. C. Druce. 

 "The var. suhhastatum (Willd.) Thell. ' — A. Thellung. 



Brassica elongata Ehrh. Roadside, Billingshurst, Sussex, July 22, 

 1914.— A. Webster. "The sub-sp. persica (B. k R.) Thell."-- A. 

 Thellung. 



Brassica Erucastrum Yill. [Ref. No. 40]. Sandhills by sea, 

 Yarmouth, N. Devon, v.-c. 27, May 10, 1914.— F. Robinson. "Is 

 Sisymbrium oi'ientale L." — A. Thellung. 



Brassica balearica Loisel. 1 Railway side, Askham, v.-c. 69b, July 

 2, 1914. — D. Lumb. Brassica juncea (L.) Coss." — A. Thellung. 



Diplotaxis tenuifolia DC. Railway cutting, Thetford, v.-c. "28, 

 June 15, 1914. — F. Robinson. "This must, I think, be referred to 

 D. muralis, var. Babingto7iii (Syme). In tenuifolia the flowers are 

 distinctly stalked at the time of full flowering, and the pods are more 

 distinctly narrowed at both ends. This is the biennial form." — G. C. 

 Druce. 



Diplotaxis 1 [Ref. No. 716]. On cotton seed refuse, Hythe 



Quay, Colchester, v.-c. 19, June 1914.— G. C.Brown. Erucaria 

 myagroides Halac." — G. C. Druce. 



Bursa pastor is Weber, var. bifida Druce. Hort., Oxon, July 1908. 

 This plant, which approaches macrocarpa in having a few of the 

 silicules with curved sides, has persisted for the last 20 years as a 

 weed in the Botanic Garden, Oxford. — G. C. Druce. 



Bursa pastoris Weber, var. bifida Druce. Seed from plants from 

 the Botanic Garden, Oxford (1890), Hort. Druce, 1913. The deep 

 sinus and shape of capsule and leaves remain practically unaltered in 

 culture. — G. C. Druce. " This is the form of Capsella Bursa-pastoris 

 that F. M. Mott called var. bifida. It is one of the best marked 

 varieties of Shepherd's Purse." — C. E. Britton. 



Lepidium latifolium L. River Lavant, near Appledram, W. 

 Sussex, v.-c. 13, Sept. 23, 1913.— J. E. Little. 



Lepidium Smithii Hook., var. alatostyla Towns. Garden specimen 

 from a 2 -year-old plant raised from seed collected at Red bridge, near 

 Southampton, Sept. 1901. Hab. — rough hedge banks on the coast. 

 See Report 1903, p. 10. — Coll. Fredk. Townsend ; comm, G. C, Druce, 



