72 



The Flora of Wiltshire. 



1, 2,^3, 4, 5. Not infrequent throughout the Districts. Very similar 

 to the last species, L. campestris, and considered distinct by some 

 botanists. Whole plant taller, spikes more numerous, shortly 

 pedunculate, collected almost into an orbicular head, but intermediate 

 states connecting the two species may often be observed. 



ORDER. ALISMACEiE. (R. BROWN.) 

 Alisma, (Linn.) Water Plantain. 

 Linn. CI. vi., Ord. v. 

 Named from alis, Celtic, water ; the genus is altogether aquatic. 



1. A. Plantago, (Linn.) greater water Plantain. Engl. Bot. t. 

 837. Reich Icones, vii., t. 57. 



Locality. In the Upper and Lower Avon, and in the various 

 canals, brooks, and streams throughout Wilts. P. PI. July, August, 

 Area, 1, 2, 3, 4, 5. Recorded in all the Districts. Plant 2 to 3 

 feet high. Leaves on long stalks. Scape branched upwards. 

 Branches bracteate. Flowers of a pale rose-colour. 



2. A. ranunculoides, (Linn.) ranuncular-like or lesser water 

 Plantain. Engl. Bot. t., 326. Reich Icones, vii., t. 55. 



Locality . Ditches and turfy bogs. P. Fl. June. Area, \ y * 3, 4, * 



South Division. 



1. South-east District. " Bogs on Alderbury Common, and 

 ditches about Downton, abundant/'' Dr. Maton, Nat. Hist. Wilts. 



3. South-west District. "Boggy ground and ditches about 

 Britford Meadows/'' Major Smith* 



North Division. 



4. North-west District. " Horse and Jockey bogs/'' Flor. Bath, 

 Very local in Wilts. In general appearance allied to the preceding, 

 especially the narrow-leaved variety of that plant, but much smaller, 

 with larger flowers, which are arranged in often proliferous umbels ; 

 but the essential character is in the fruit. 



Sagittaria, (Linn.) Arrow-head. 

 Linn. CI. xxi., Ord. vii. 

 Name. From sagitta, (Lat.) an arrow. 



