122 umbellifeej:. 



I. Harefield ! ; Blackst. Fasc. 9i. Pinner. 



II. Staines. Near Sipson. Sunbury (a very large form). Towing-path, 

 Hampton Court ! ; Newh. 

 . III. Cran on Hoiinslow Heath. Twickenham. 

 IV. Bet. Finehley Eoad Ey. Station and Finchley ; ^'ewb, Golder's 



Green. 

 V. Canal, Greenford ; Melv. 34. Hanwell ! ; Warren. 

 VI. Edmonton. 

 VII. Almost in every watery place about London ; Johns. Ger. 257. Pad- 

 dington Canal, 1815; Herb. G. # E. Clapton, 1830; Varenne. 

 South Heath, Hampstead. Millfield Lane. Blackstock Lane, 

 Highbury. Ditch bet. Hyde Park and Kensington Gardens. Eel- 

 brook Meadow, Parson's Green. Hackney Wick. Isle of Dogs, 



Var. /3. H. repens, Koch. Sium repens, Jacq. Syme E. B. iv. t. 574. 

 II. Towing-path bet. Kingston Bridge and Hampton Court ; Bloxam, 

 VI. [Finchley Common, Woods ; Winch MSS.] 

 Vn. [Tothill Fields, E. Forster ; Herb. Mus. Brit, and B. G. 402.] South 

 Heath, Hampstead ; Irv. MSS. Eel-brook Meadow, J. A. ; Phyt. 

 N. S. i. 464. 

 Forster's specimens in Herb. Mus. Brit, are true repens; but small 

 examples of H. nodiflorum are frequently called by that name. 



First record : Johnson., 1633. 



271. H. Inundatum, Koch. 



Sium minimum (Pet.). Sium pusillum fol. variis, N. D. (E. Syn. ii.). 

 S. minimum umiellatum fol. variiSj Pluk. (Blackst.). Sison inunda- 

 tum, L. (Huds.). 

 Cyb. Br. i. 432 ; Comp. 188. Syme E. B. iv. t. .575. 



Overflowed places, or in water ; rather common. P. June^September. 

 I. In the bogs on Harefield Common, plentifully ; Blackst. Fasc. 94. 

 Harrow Weald Common ; Pinner Hill ; Melv. 34. Stanmore 

 Heath. 

 II. Bushey Park. 



III. Several ponds on Hounslow Heath ; Pet. Midd. Hounslow Heath 



towards Hampton, S. Doody ; E. Syn. ii. 344 (specimens in Herb. 

 Eudge and Dicks. H. S.). Near Hatton. 



IV. Bet. Kingsbury and Harrow; M. ^ G. 411. Hampstead Heath; 



Forst. Midd. Golder's Green ; Irv. MSS. 

 V. Greenford; Cooper, 108. Apperton ; Melv. 34. 

 VII. Bet. Newington and Hornsey ; Huds. i. 104. In several parts of the 

 New Eiver; M. ^ ff. 411. Eel-brook Meadow, Parson's Green, 

 1867. 

 First record: Petiver, 1695. 



