SLATER : FLORA OF RIPON. 1 29 



95. C. hirsuta. Hairy bitter-cress. Shady places, not un- 



common. 



96. C. sylvatica. Wood bitter-cress. In similar places to 



last, less common. 

 98. Arabis thaliana. Thale-cress. Walls and banks, 

 common. 

 102. A. hirsuta. Hairy wall-cress. Banks and walls, not 

 uncommon. 



104. A. perfoliata. Smooth tower-mustard. Hedges and 



dry banks. Lanes near Thirsk (Teesdale) ; near 

 Ripon (W. Brunton) ; near Skelton and Helperby 

 (Rev. J. Dalton) ; railway bank between Hutton 

 Conyers and Melmerby (F. A. Lees). 



105. Barbarea vulgaris. Yellow rocket. Marshy ground 



and river banks. Occasional by the Ure. 



no. Nasturtium officinale. Water-cress. Ditches and 

 slow streams. Near How Hill, Sharow, &c. 



III. N. sylvestre. Creeping-cress. River banks and wet 

 places. " Banks of the Ure, near Ripon " (Baines). 

 Other damp places. 



115A. Cochlearia officinalis. Scurvy-grass. Not uncom- 

 mon by the River Ure ; gets more plentiful above 

 Tanfield. 



118. Draba verna. Whitlow grass. Walls, dry banks, and 

 gravel walks, common. 



124. Alyssunn calycinum. Calycine alyssum. A corn- 

 field alien. One plant in a field near the River Ure 

 by Ripon, in 1880 (Mrs. Berkeley). 



128. Thiaspi arvense. Penny cress. Dry fields and road 



sides, but uncommon. Roadside near Littlethorpe; 



Givendale. 

 132. Teesdalia nudicaulis. Naked-stalked Teesdalia. Dry 



bare ground. South of Hutton Moor (W. Brunton, 



also Baines). 



