LEMNACE^. 291 



II. Near Hampton Court, « 1796,' A. B. Lambert ; E. B. By tlie Thames 

 bet. Hampton and Hampton Court ! ; New. B. G. Sicpp. Staines 

 Common, abundant ! ; Phi/t. N. S. iv. 263. Ponds on common by 

 Walton Bridge. By the Thames bet. Hampton Court and Kingston 

 Bridge and at Teddington. Near Strawberry Hill. 



III. Hounslow Heath ; Huds. i. 128. Ibid., 1820 ; Bennett (v.s.). Cran at 



Hospital Bridge. Duke's Eiver in several places near Isleworth. 

 Pond on Marsh Farm, Twickenham. 



IV. Near Mill HiU; Irv. Lond. Fl. 87. Hampstead Heath ; Irv. H. B. P. 



279. 

 V. Greenford; Cooper, 108. 

 VII. About the moat of Fulham Palace, Doody ; Pet. Midd. Eeservoir in 

 Earl of Mansfield's Park, Highgate ! ; [pond in Copenhagen Fields ;] 

 Burnett, 32. Marsh ditch. Hackney Wick. 

 First record : Boody, 1695. A decidedly common plant near the Thames 

 in II. and III. 



ARUM, Linn. 

 704. A. maculatuin, Z. CucJcoo-pint. Lords and Ladies. 



Arum (Johns.). A. vidgare, Ger. em. (Blackst.). 

 Cyb. Br. iii. 30. Curt. F. L. f. 2. 



Under hedges and in shady places ; very common. P. April, May. 

 In aU the districts, but less frequent in II. and III. 

 VII. Bet. Kentish Town and Hampstead ! ; Johns. Eric. [Marylebone, 

 1817 ; Herh. G. Sf i?.] Many places in the northern suburbs ; 

 Crouch End, Hornsey, abundant. 

 First record : Johnson, 1629. 



LEMNACE-aJ. 



LEMNA, Linn. 

 705. Ii. trisulca, L. 



Cyb. Br. iii. 29. Hook. Curt. vol. iv. (drawn from London specimens). 

 In ponds and ditches ; rather common. P. ? June. 

 I. Near Harefield ! ; Newb. Near Pinner Cemetery. Feeder to Elstree 



Eeservoir. 

 II. Staines Moor, abundant. Staines Common. Common by Walton 



Bridge. Bushey Park, very abundant. 



III. Grove Pond, Harrow ; Melv. 82. Marsh Farm, Twickenham. 



IV. Lane bet. Burroughs and Brent St., Hendon ; Irv. MSS. Harrow Park 



Lake; Melv. 82. Golder's Green, Hampstead, 1853; Herb, Hardw. 

 V. Pond not far from Kew Ey. Station ! ; Newb. 

 VI. Near Whetstone. 

 VII. Plentifully in all the ditches in the neighbourhood of Tottenham ; 

 W. G. Smith in Science Gossip, vol. i. 



