302 CYPERACE^. 



Streams and (rarely) ponds ; rather rare ?. P. June, July. 

 I. Harefield!; Blackst. Fasc. 4:6. Euislip Reservoir ; Hind. 

 II. Thames near Strawberry Hill. 



III. River Cran on Hounslow Heath. 



IV. Kingsbury, in the Brent. 



V. Brent near Hanwell ! ; Warren. Canal at Apperton ! ; Newb. Near 

 Ealing ; Herb. Devon Instit., Exeter. Near Northolt ; Melv. 84. 

 VII, River Lea at Temple Mills. 



First record : Blackstone, 1737. The characteristic floating leaves were 

 very noticeable at Harefield and in the Cran. 



[731. S. caespitosus, L. 



8. montanus capit. breviori, Inst. R. H. (Blaekst.). 



Cyb. Br. iii. 79. Reich. Ic. Germ. viii. 300. 



Wet places ; very rare. P. 



I. On Harefield Moor, plentifully; Blaekst. Fasc. 91. 



No other record.] 



732. S. flultans, L. 



Gramen junceum clavatum minimum^ ^~c., R. Syn. (Blaekst.). Isolepis fl. 



(Irv). 

 Cyb. Br. iii. 80. Reich. Ic. Germ. viii. 298. 

 Ponds on heaths ; very rare. P. June, July. 

 I. In the bogs on Harefield Common ; Blaekst. Fasc. 37. 



III. Hounslow Heath! ; Huds. ii. 18, E. B. 216. 



IV. Piece of open ground called Whitchurch Common, at the back of 



Canons Park, bet. Stanmore and Edgware, 1827-30 ; Varenne. 

 VI. [Finchley Common ; Irv. Lond. Fl. 89.] 

 First record: .BZac^-sfowe, 1737. 



733. S. setaceus, L. 



Juncellus omnium minimus chamoBscTianus, Lob. (Pet., Blaekst.). IsoUpis 



setacea, R. Br. (Coop.). 

 Cyb. Br. iii. 71. Reich. Ic. Germ. viii. 301. 

 Wet places on heaths and commons ; rare. P.? July, August. 

 I. By the canal in Sir G. Cooke's garden ; Harefield Moor ; Blaekst. 

 Fasc. 47. Harefield Common. 

 IV. Woods about Highgate and Hampstead ; Pet. Midd. 

 VI. Highgate; Cooper, 104. 



VII. By the ponds on South Heath, Hampstead ; Irv. Lond. Fl. 89. In 

 several places on the heath, 1863. 

 First record: PeiJi^er, 1695. 



BLYSMUS, Pam. 



734. B. compressus, Panz. 



Cyb. Br. iii. 65. Reich. Ic. Germ. viii. 293. 

 I. Harefield, J. F. Young ; Herb. Young. 



