1 , m;i,iiii-'KivtDS jcorai, ro(it 



Benlax'ia bulbifera . 

 2 LARGE nCMERI}!) BTTTKRCRESS . 



5. -HAIRY BlTTt;R- CRESS 



Cai-diiLi ine hirsuvn 



;5 rMJCKOO-T-'l/AVEK . 



Cnrdiuniue praluiisis. 

 4 . NAIUJOW- LEAVED BITTER- CRESS 



PI. 21. 



