290 ARACE^. 



SPARGANIUM, Linn. 



701. S. ramosum, Huds. Bur-Heed. 

 Cjb. Br. iii. 33. Curt. F. L. f. 5. 



By ponds, ditches, and streams ; common. P. July. 

 I. Harefield!; BlacJcst Fasc. 96. Euislip Reservoir; Melv. 81. Colne 

 near Yewsley ! ; Newh. 

 II. Staines Common, 1S60; Phyt. N. 8. iv. 263. Towing-path bet. 

 Kingston Bridge and Hampton Court ; Bloxam. Staines Moor. 

 Near the Queen's River, Hampton. 

 III. Harrow ; Roxeth ; Melv. 81. Cran at Han worth Road and Twickenham. 

 IV. Stanmore. 



V. Canal, Tw;^'ford ! ; Ealing Common ! ; Newb. Hanwell ! ; Warren. 

 VI. Canal bet. Edmonton and Tottenham ; Cherry. Edmonton. 

 VII. Isle of Dogs, abundant!; Curt. F. L. Near Hornsey, 1815; Herb. 

 G. 4' B. Stream near White House, Temple Mills ; Cherry. Hackney 

 Wick. Side of ponds in Ken Wood grounds. 

 First record: Blackstone, 1737. 



702. S. simplex, Huds. 



S. non ramosum, C. B. P. (Blackst.). 

 Cyb. Br. iii. 33. Curt. F, L. f. 5. 

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

 I. Harefield! ; Blackst. Fasc. 96. In a feeder to Ruislip Reservoir ; Hind. 

 II. Bushey Park ! ; Newb. 



V, Canal bet. Brentford and Hanwell ; Hemsley. Pools at Perivale ; Lees. 



VII. Lea bet. Clapton and Tottenham, G. Francis ; Coop. Supp. 12. 



Sparingly in the old cut of the New River, S. Munby ; Naturalist 



for 1867, p. 181. 



First record : P. Roberts, about 1710. Sparganium minimum, Park., 



observed by Mr. P. Roberts about Bow, near London ; Herb. Pet. cl. 



fol. 188 ; the specimen is S. simplex, Huds. 



ARACE.^. 



ACORUS, Linn. 



703. A. Calamus, L. Sweet Flag. 



A. verus sive Calamus officinarum, Park. (Pet., Blackst.). 

 Cyb. Br. iii. 30. E. B. 356, reproduced in Syme E. B. ix. t. 1391 (drawn 

 from a Thames specimen). Burnett t. 32 (drawn from a Hampstead 

 specimen). 

 Sides of streams and clear ponds ; rather common. P. June — August. 

 I. In the ponds near Harefield Church ; Blackst. Fasc. 2. Small pond 

 in a field a little N. of Harefield Common ! ; Newb. Uxbridge ; Mart. 

 App. P. C. 71. On Hillingdon Common ; 8m. Fl. Brit. i. 373. 



