FLORA OF CAMBRIDGESHIRE. 23 



2. A. amphibia Koch. 



Baphanus aquaticus, B. 0. 132, Sisymbrium amphi- 

 bium, M. PI. 15. Belh. 267. 



In very wet places. P. June to August. 



1. Eoadside beyond Barnwell, and on the bank of the 

 river. — 4. Waterbeach Fen. Near the west ferry at Over; 

 N. — 5. Horningsey. By Bottisham Lode. Upware. "Wicken 

 Fen.— 6. Ely. Witchford. Stretham ! ; Eev. H. Baber. 



[Camelina sativa has been occasionally found in crops, 

 but is not naturalized here. It is the Alyssum sativum of 

 Eelh. ed. ii 260 ; ed. iii. 260.] 



Thlaspi Linn. 

 [1- T. arvense Linn. Penny Cress. 

 Eelh. ed. i. 247; ed. iii. 261. 

 Fields and roadsides. A. May to August. 

 4. A little way below the great Gull in Waterbeach Fen; 

 Eelh.] 



Teesdalia E. Br. 



1. T. nudicaulis E. Br. 



Bursa pastoris minor, E. C. 24. Iberis petreea foliis 

 Bursce pastoris, M. M. 81. Iberis nudicaulis, M. PI. 12. 

 Eelh. 263. 



Sandy and gravelly places. A. May, June. 



2. Litlington Field, on the balks between the chalk-pit 

 and Limbury Hill, and on the way to Morden; Eelh. — 

 3. Gamlingay Heath, chiefly near the borders of the county 

 towards Potton. 



Iberis Linn. 

 1. T. ama'ra Linn. Candytuft. 

 Watson's New Botanist's Guide, ii. 599. 

 First noticed in the county by the Eev. W. H. ColemaD, 

 in 1837. 



