142 TETRAD YNAMI A SILICULOSA. 



195. COCHLEARIA. 



1. C. officinalis, smooth ; radical leaves roundish, those on the 

 stem oblong and somewhat sinuated ; flowers white ; pouch glo- 

 bose. Common Scurvy ~gr ass. 



Hob. Plentiful on our sea-coast ; also on dikes near the 

 Magdalen -field farm-house. May. 



A useful plant in the sea-scurvy* 



2. C. danwa, stems prostrate; leaves all triangular and 

 stalked ; pouch elliptical, reticulated with veins. Danish Scurvy- 

 grass. 



Hab. On the Pinnacles, one of the Fern Islands, Dr 

 Thompson. May, June. 



Stems numerous, spreading, about 2 inches long, smooth. 

 Leaves all stalked, lobed near the base. Flowers small, 

 white. Pouches numerous, large, oval, tipped with a short 

 style, reticulated with prominent veins. Seeds from 6 to 

 9 in each cell, brown, rough. 



190. SENEBIERA. 



1. S. coronopus, stem spreading, much branched; leaves pinna- 

 tirid, subdivided; flowers very small, white, opposite to the 

 leaves, densely corymbose ; pouch undivided, crested with little 

 sharp points; style pi eminent. Swne's-cress. 



Hal. Waste ground and road-sides, very common in the 

 immediate vicinity ; and on Holy Island. June Aue. 

 



197. CAKILE. 



1. C. maritima, herb smooth, branched ; leaves fleshy, pimia- 

 tifid, obtuse; flowers rather large, purplish ; joints of the pouch 

 two-edged, the upper one arrow-shaped. Sea Rocket. 



Hob. Frequent on our sand}' sea-coast. June, Sept. 



