84 FLdliA OF JERSEY. 



St. Brelade's. St. Aubin's Bay. Le Hocq. Gorey Com- 

 mon. St. Peter's Valley. 

 Guernsey (rare). Not native in Normandy. 



17. Nasturtium L. 



1. N. orFiciNALE' B. Br. 



Native. Wet places. Not very common. May to .July. 

 Guernsey. Alderney. Sark. France. 



A robust form vpith narrow leaflets occurs in Samares 

 Canal, but will hardly do for N. siifolium Keich. Has 

 anything like the latter ever been found in Britain ? 

 Reiohenbach's description is — " giganteum, 12-lH pedale, 

 caulis poUice crassior aoutangulus, fistula pollicem reoipiente, 

 ex axillis radioans, folia Sii latifolii." In Lyell's " Prin- 

 ciples of Geology," ii. 453, it is stated that the Watercress, 

 introduced at C'hristchurch, New Zealand, choked the 

 streams and developed stems 12 feet long and f inch thick. 



2. N. siLVESTKE R. Br. 



Native. Sides of streams. Very rare. June to August. 



Stream leading from the Town Mill Pond. J. Piqxet, sp. 

 1900! 

 Guernsey (rare). France. 



3. N. PALUSTKE DC. (RoRIPA NASTURTIOIDES Spacll.) 



Native. Marshy places. A'ery rare, ? extinct. June to 

 September. 



There is a specimen in Mr. J. Piquet's herbarium from St. 

 Laurence's Marsh, 1854 ! 

 Frequent in France. 



18. Caedamine L. 



1. C. PliATENSIS L. 



Xativc. Damp meadows. Common. March to l\Iay. 



Guernsey. Sark. France. 

 Var. FRAGiLis Lloyd. " A later flowering form. Upper leaves 



with narrow, linear leaflets. Flowers white." La Moie 



Common. May. 

 2. C. HIRSUTA L. 



Native. Dry places. Abundant. February to Jfaw 



Guernsey. Alderney. Sark. France. 



A large-flowered form is common on the sands of the Quenvais. 



