ORDER LEMNACE^. 119 



1136. Zannichellia palustris. L. Native. British type. 

 Eange 1-2. 



I. Miller's Dale; R. Wye at Ashford-in-the- Water, 

 Bailey ; Chee Dale ! 



III. Eggington, Harris ; Ockbrook ; ponds, Osmaston- 

 by-Ashbourne, Smith MSS. ; pond in Gill's Park, Tickenball, 

 Purchas, J. B. 



ORDER LEMNACB-ffl. 



1188. Lemna minor, L. (Duck Weed). Native. British 

 type. Range 1-2-3. 



I. Ponds up to 400 yards, Baker, J. B. 



II. About Chesterfield, Waterfall. 



III. Common about Derby ! Ponds at Calke, Purchas, 

 J. B. ; Shirley, Linton ; with the succeeding, Smith MSS. 



1139. Lemna gibba, L. Native. English type. Range 1. 

 III. Ponds, Osmaston-by-Ashbourne, Smith MSS. 



1140. Lemna polyrhiza, L. Native. English type. 

 Range 1. 



III. Knowl Hills, Purchas, J. B. 



1141. Lemna trisulca, L. Native. English type. 

 Range 1. 



III. Pools, Osmaston-by-Ashbourne, Smith MSS. ; near 

 Calke Abbey, Bloxam! Not met with, Purchas, J. B. 



ORDER ARACE^. 



1142. Arum maculatum, L. (Wake Robin, Cuckoo-pint). 

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



Common everywhere ! Ascends up to 400 yards at 

 Wormhill, West. 



1143. Acorus Calamus, L. Native. English type. 

 Range 1. 



III. Burton- on-Trent, Harris. 



ORDER TYPHACEJE. 



1145. Sparganium simplex, Huds. Native. English 

 type. Range 1. 



II. Near Chesterfield, Waterfall. 



III. Between Ashbourne and Norbury, Smith MSS. ; 

 Archer's Pool, Purchas , J. B. 



1146. Sparganium ramosum, Huds. (Great Bur Reed). 

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



