34 FLORA OF JERSEY 



Araceae. 



1. Acoms L. 

 1. A. calamus L. 



Denizen. Planted by Mr. J. Piquet in a pond on the top 

 of the chffs between Portelet and Noirmont, wliere it is 

 thoroughly established. 

 Brittany (local). W. France (common). 



2. Arum L. 



1. a, maodlatdm l. 



Native. Hedge-banks. Frequent. April, Maj'. 



St. Helier's. MiUbrook. Grand Val. Trinity. 

 Guernsey. Sark. France. 



2. A. ITALICUM Mill. 



Native. Hedges and waste places. Locally abundant, 

 especially in the south : the commoner of the two species. 

 April, May. 



Bagot. Le Hocq. Grouville. L'Etao. Waterworks 

 Valley. Fliquet Bay; 



Guernsey (rare). Sark (?) France. S. and W. Europe, as 

 far north as the S. coast of England. 



Lemnacese. 



Lemna L. 



1. l. teisulca l. 



Native. Ditches. Very rare. 



Marsh near the Gr^ve d'Azette. Bah. South side of St. 

 Ouen's Pond. 

 Sark. Normandy (frequent). W. France. 



2. L. MINOR L. 



Native. Ponds and ditches. Common. 

 Guernsey. Alderney. Sark. France. 



3. L. GIBBA L. 



Native. Stagnant pools. Very local. 



Samares Meadows. Portelet Bay. 

 Guernsey. Normandy (common near the sea). W. France 

 (common). 



4. L. POLYRRIIIZA L. 



Native. Stagnant ditfches. ^^ery rare. 



Between George Town and Samaras. 1899. 

 Guernsey (very rare). Normandy. W. France. 



