ALISMACE*. 287 



III. Mr. Goodyer found it on Hounslow Heath ; Johns. Ger. 418. Plenti- 



fully there, 1736; Blackst. MSS. Ibid.; Lambert's Herb. Kew. 

 Pond on Twickenham Common, 1842, Twining; Herb. Kew. 



IV. Golder's Green, Hampstead ; Irv. MSS. and Lond. Fl. 108. 

 V. [Acton Green, 1864 ; Newb.'\ 



VI. [Finchley Common, J. Woods ; B. G. 404.] 

 VII. [Ditches left-hand of highway from HoUoway to Highgate; Park. 

 Theat. 1245.] 

 First record: Goodyer* 1633; also the first as a British plant. Appa- 

 rently less frequent now than formerly. 



SAGITTARIA, Linn. 



696. S. sag:ittifolia, L. Arrowhead. 



Pistana Magonis (Lob.). Sagittaria major et minor (Ger.). Sagitta 



aquatica major et minor et 8. angustifolia (Blackst.). Grameii, 



bulbosum aquaticum, C. B. Prod. (Merrett). 

 Cyb. Br. iii. 478. E. B. 84, reproduced in Syme E. B. ix. t. 1436 (drawn 



from a Middlesex specimen). 



Sides of streams and ponds ; common. P. July, August. 

 I. Harefield ! ; Blackst. Fasc. 89. 



II. Ponds in Bushey Park!; New B. G. 101. Near Hampton Court; 

 Merrett, 107. Queen's Eiver, Hampton, abundant. Thames side 

 bet. Hampton village and Court ; New B. G. Supp. Bet. Hampton 

 Court and Kingston Bridge. Bet. Strawberry Hill and Teddingtou. 

 Canal, W. Drayton ! ; Newb. Coins, Staines Moor. 



III. Cran at Twickenham. 



IV. Brent at Willesden ; Herb. Hardw. At Stonebridge ; Forty Farm ; 



Farrar. 

 V. Canal at Greenford ; Mclv. 80. Apperton ; Wembley ; Cole. Brent- 

 ford ; Hemsley. 

 VI. Lane from Hornsey to Tottenham Church ; Coop. Supp. 11, Ditch by 

 the New Cut, Edmonton. 

 VII. [In the Tower ditch ; Lob. Adv. and Ger. 337.] Several places by 

 the Thames banks near London ; Merrett, 49. [Ditches in Tuthill 

 Fields ; Blackst. Spec. 86.] Isle of Dogs, 1792 ; E. B. Ibid. 181.5 ; 

 Herb., G. ^ R. Ibid. 1836 ; Herb. Young. Paddington Canal, 1862; 

 Britten. Stream near the White House, Temple Mills, 1868; Cherry. 

 First record : Lobd, 1570, also first as a British plant. [A very narroM- 

 leaved form, Sagitta aquat. omnium minima, was noticed by Plukenet 

 plentifully before the Earl of Peterborough's house above the horse- 

 ferry on Westminster side ; R. Syn. i. 242 and Pet. Midd. It is figured 



* John Gmihjer, of Maple-Durham, Hampshire, is frequently mentioned by Johnson, 

 rarkiuson, and How, as a zealous and successful botanist. Besides the present plant, hi; 

 .i<lde<l several other interesting species to the British Klora, e. g. i'/ii/leuma orbiculure and 

 Tfttsium. 



