18 THE VOYAGE OF H.M.S. CHALLENGER. 



Sisymbrium officinale, Scop. 



Sisymbrium officinale, Scop., Fl. Car., ii. p. 26; Chapm., Fl. Southern U.S., p. 28 ; Griseb., Fl. Brit. 

 W. Ind., p. 13. 



Bermudas. — Iutroduced. Roadsides — Lefroy; Moseley ; Reade. 



Annual or perennial. Native of Europe, Western Asia, and North Africa. It is also 

 colonised in the Southern States of North America. 



Brassica sinapistrum, Boiss. 



Brassica sinapistrum, Boiss., Voy. Bot. dans le midi tie l'Espagne, ii. p. 39 ; Gray, Manual, ed. 5, p. 70. 

 Sinapis arvensis, Linn., Sp. PL, ed. 1, p. 668. 



Bermudas. — Introduced. Roadsides and waste places — Lefroy. 



Annual. A very common weed of cultivation in Europe, Temperate Asia, and North 

 Africa, and introduced in many other countries. 



Capsella bursa-pastoris, Mcench. 



Capsella bursa-pastoris, Moencli., Meth. PL, p. 271; Griseb., Fl. Brit. W. Ind., p. 14; Chapm., FL 

 Southern U.S., p. 30. 



Bermudas. — Introduced. In cultivated and waste ground — Lane; Rein; Lefroy. 



Annual. One of the commonest weeds of cultivation in temperate and sub-tropical 

 regions throughout the world. 



Senebiera pinnatiflda, DC. 



Senebiera pinnatifida, DC, Prodr., i. p. 203; Griseb., Fl. Brit. W. Ind., p. 14; Chapm., Fl. Southern 

 U.S., p. 30. 



Bermudas. — Introduced. Without indication of locality- — Rein. 



A common herb in the warm temperate regions of America, and naturalised in other 



countries. 



Lepidium virginicum, Linn. 



Lepidium virginicum, Linn., Sp. PL, p. 645 ; Griseb., Fl. Brit. W. Ind., p. 14; Chapm., Fl. Southern 

 U.S., p. 30. 



Bermudas. — Introduced. Common in waste ground — Jones ; Lefroy. 

 A North American annual, now naturalised in many countries. " Pepper-grass" of the 

 islanders. 



Lepidium ruderale, Linn. 



Lepidium ruderale, Linn., Sp. PL, ed. 1, p. 645; Gray, Manual, ed. 5, p. 74. 



Bermudas. — Introduced. Roadsides, scarce — Lane; common — Reade. 



Annual. Europe and Asia, and introduced in many other countries. 



