359 



POTAMOGETONACE/E. 



Potamogeton, Linn. 



1. P. natans, Linn. Broad Pondweed. 



Bab. Man. 379,80. Hook. St. Fl. 431. H. & S. 81. Hist. Yarm. 

 Top. Bot. Suff. E. and W. Galp. 



Aquatic herbaceous perennial ; floating in ponds and 

 streams. June, July. 



1. Troston||; Livermere ; Honington ; B ar dwell ; Sapis- 

 ton ; Fakenliam ; Euston ; Hopton; Thelnetham ; Thetford ; 

 Wangford ; Bury ; Oneliouse and Wetherden : Barton, 

 Hb. Blk. : Stowlangtoft, Hb. We. : Tuddenham, Hb. 8k. : 

 Mildenhall, Sir C.J.F.B. : Barningham, E.F.L. 



2. Stoke ; Nayland ; Melford : Hitcham, Prof. Hem. : 

 Gt. Thurlow, Hb. F. 



3. St. Olaves ; Bungay ; Kessingland ; Beccles : 

 Somerleyton, Sk. ms. 



4. Dunwich || ; Westleton ; Eye ; Mellis ; Burgate ; 

 Eedgrave : Gt. Glemham, E.N.B. : Wortham Long Green; 

 A.B. 



5. Hemingstone, T.B. : Wherstead, Haward : Otley, 

 E.N.B. 



Earliest record 1773. Sir J. Cullum. 



2. P. polygonifolius, Pourr. Polygonum-leaved 



Pondweed. 



Bab. Man. 380. Hook. St. Fl. 431. Top. Bot. Suff. E. 



Aquatic herbaceous perennial ; in ditches. July. 



1. Between Gt.Welnetham & Hawstead ? E.S.Marshall. 



3. Belton || ; Lound||. 



4. Dunwich 1 1 ; Walberswick. 

 Earliest notice 1879. Hind. 



3. P. plantagineilS, Duer. Plantain-leaved Pondweed. 



Bab. Man. 380. Hook. St. Fl. 431. H.&S.81. Top. Bot. 

 Suff. E. ? and W. 



Herbaceous aquatic perennial ; in fen pools and ditches. 



June, July. 



1. Coney Weston and Hopton Fens || ; Thelnetham, 

 Hinderclay and Mildenhall Fens : Tuddenham Bog, Hb. Sk. 



3. Beccles : Somerleyton, Sk. ms. 



4. Eedgrave Fen. 



Earliest notice 1860. E. Skepper. 



