146 TETRAD YNAMIA SILIQUOS A. 



2. B. prcecox, smooth ; lower leaves lyrate ; upper deeply pin- 

 natifid, with linear-oblong entire segments ; flowers small, yel- 

 low ; pods about three inches long. Early Winter -cress. 



Hab. Hedge-side between Wooler and Earl. April Oct. 



o 



Cultivated in many gardens as a salad-herb, under the name 

 of American Cress. 



203. ERYSIMUM. 



I. E. Alliaria, smooth ; leaves heart-shaped, broadly toothed, 

 stalked ; flowers white. Garlick mustard, or Jadkby-the-hedge. 



Hab. Hedge-sides and shady lanes. Near Lint-hill, Ber- 

 wickshire, Rev. A. Baird. Near Haggerston. North 

 side of the Tweed above the Union Bridge. May, 

 June. 



The whole plant scents strongly of garlic. It is occasionally 

 used as a sallad. " When gathered, as it approaches the 

 flowering state, boiled separately, and then eaten to 

 boiled mutton, it certainly forms a most desirable pot- 

 herb ; and to any kind of salted meat, an excellent green." 

 NEILL. 



204. CHEIRANTHUS. 



I. Ch. fruticulosus, stem shrubby; branches angular; leaves 

 lanceolate, acute, most hoary beneath, with simple close hairs ; 

 style prominent ; flowers yellow. Wild Wallflower. 



Hah. On the ruins of all the old castles in the neighbour- 

 hood ; also on Spindlestone rocks. June. 1J. 



205. ARABIS. 



1. A. Thaliana, stem branched; leaves hairy, more or less 

 toothed, radical ones stalked, oblong ; flowers small, white ; sta- 

 mens not much shorter than the petals ; pods pointing upwards, 

 slender, smooth. Common Wall-cress. 



Hab. Walls and dry banks, not common. In the ravine 

 above Burnmouth. Amongst the debris of Kyloe Rocks. 

 Abundant on walls below the Chain Bridge, and about 

 Warren. April, May. 



