ORDER POTAMACE^E. 117 



1110. Alisma ranunculoides, L. Native. British type. 

 Kange 1. 



** Topographical Botany." No authority. Kepton F. 

 and P.; wants confirmation. 



1113. Sagittaria sagittifolia, L. (Arrow Head). Native. 

 British type. Range 1-2. 



I. Canal at Whatstandwell, B. and N., J. B. 



II. About Chesterfield, Waterfall. 



III. Willington Canal, Bagger ; Burton-on-Trent, Harris ; 

 canal at Chaddesden, Derby ! Draycott ; Weston, Hasse. 



1114. Butomus umbeUatus, L. (Flowering Rush). Native. 

 English type. Range 1. 



II. Banks Renishaw Canal, Chesterfield. Waterfall. 



III. Repton, Hagger ; canal near Derby ! R. Derwent at 

 Borrowash, Hey in Smith MSS.; Swarkestone, Bloxam! 

 Draycott ; Anchor Church, Hasse. 



1116. Triglochin palustre, L. (Marsh Arrow Grass). 

 Native. British type. Range 1-2-3. 



I. Miller's Dale, West ; Charlesworth, Whitelegg\ swamps 

 up to 550 yards on Axe Edge, Baker, J. B. 



III. Osrnaston-by-Ashbourne ; Ockbrook, Smith MSS.; 

 roadside at Calke, Bloxam! Peathays, Shirley, Linton. 



ORDER POTAMACE.E. 



* 1118. Potamogeton densus, L. Native. English type. 

 Range 1-2. 



I. Cromford ; canal at Whatstandwell, Milnes. 



III. Repton. Hagger-, Osmaston Lake, near Ashbourue, 

 Smith MSS. ; near Calke Abbey, Bloxam ! 



1119. Potamogeton pectinatus, L. Native. British type. 

 Range 1-2. 



I. Canal at Whatstandwell, B. and N., J. B. 



III. Drakelowe, Harris', canals at Derby! Melbourne 

 Pool, Purchas, J. B.; Osmaston Pond, Linton. 



1121. Potamogeton pusillus, L. Native. British type. 

 Range 1. 



II. About Chesterfield, Waterfall. 



III. The Lake, Osmaston- by- Ashbourne, Smith MSS.; 

 pool between Foremark Park and Repton Waste, Purchas, 

 J.B. 



1123.* Potamogeton zostersefolius, Schum. Native. 

 English type. Range 1-2, 

 I. Canal, Cromford, Bailey. 



