130 A NEW FLOEA OF 



3. B. napus, L. Colonist. English type. Area C, N, D. 

 Eange 1. 



Frequent in similar places to the preceding. 



24. SINAPIS, L. 



1. 8. arvensis, L. Colonist. British type. Area C, IS", D. 



Range 1, 2. 



Everywhere common in cultivated fields and waste ground, 

 ascending to 450 yards in "Weardale and Allendale. 



2. S. alba, L. Colonist. English type. Area C, N, D. 



Eange 1. 



Frequent in cultivated ground, ascending in Teesdale to Egle- 

 stone (700 feet). The commonest species on Holy Island (E. 

 Embleton). 



3. S. nigra, L. Colonist. English type. Area C, N, D. 



Eange 1. 



In similar stations to the two preceding, but less frequent. 



4. S. tenuifolia, Br. Denizen. English type. Area IT, D. 



Eange 1. 



Frequent upon embankments and by road-sides about Shields, 

 Sunderland, Hartlepool, &c., but perhaps originally introduced 

 with ballast. 



25. RAPHANUS, L. 



1 . R. raphanistrum, L. Colonist. British type. Area C, IS", 

 D. Eange 1, 2. 



A common weed in cultivated ground, ascending to 350 yards 

 in Weardale, and 450 yards in West Allendale. There are two 

 forms, one with sulphur -coloured and the other with white 

 flowers and violet veins, both frequent. 



