CRUCIFEFUE. 15 



*Brassica elongata, Ehrh. Alien. "Native of dry districts in 

 Asia Minor, and a weed of cultivated and waste ground in 

 various parts of Europe. Several times recorded in waste 

 places in England, once in connection with grain siftings." 

 Dunn. 3. Par, Druce, Journ. Bot., 1911, p. 303; R.I.C., 

 79/3, p. 225. 



Var. persica (B. & H.). 3. Par Harbour, 1917, Miss A. B. 

 Cobbe, B.E.C., 1917, p. 96. 



B. alba, Boiss. 



3. Looe dust-heaps, 1916 and 1917, Mrs. and H. M. M. Perry- 

 coste. " Polperro, Couch " (Flora). Not found there by the 

 Perrycostes. Tywardreath, 1917, Miss A. B. Cobbe. Waste- 

 ground by railway near Par Sands, 1919, Rilstone. Par 

 Harbour, 1921, Medlin. 



B. juncea, Coss. Alien. " Cultivated in temperate and tropical 

 Asia for the same purpose as B. alba in Europe." Dunn. 3. 

 Par Harbour, 1914, Vigurs, B.E.C., 1914, p. 61; 1917, Miss 

 M. Cobbe, B.E.C., 1917, p. 96. 6. Falmouth Docks, 1917, 

 Miss M. Cobbe. 



Diplotaxis tenuifolia, DC. 



3. Charlestown Harbour, 1916, Tresidder. 



5. One plant, Newquay, 1915; many in the same place, 1919, 

 Vigurs. 



6. Near Gyllyngvase, Falmouth, 1917, Miss M. Cobbe. 



D. muralis, DC. 



5. Perranporth, 1916, Thurston. 



6. Penpoll, Feock, Davey, R./.C., 1911, p. 376. 



8. Path to Clodgy, St. Ives, 1912, Thurston. Porthgwarra, Rev. 

 H. E. Fox, R./.C., 1911, p. 376. Tresco, Scilly Isles, 1921, 

 Downes. 



Var. Babingtonii, Syme. 



8. Beach between Marazion and Penzance, 1913, Miss M. 

 Cobbe. 



Eruca sativa, Mill. 3. "Once noticed by Mr. Tellam at Par" 

 (Flora). Par Harbour, 1917, Miss M. Cobbe, B.E.C., 1917, 

 p. 96. 



