FLOWERING PLANTS. 113 



P. lucens, L. Shining Pondweed. 6, 7. Common in the 

 Waveney and its ditches. 



P. praelongus, Wulf. Long-stalked Pondweed. 6, 7. Not 

 common : in the Waveney at Homersfield (EAH) and 

 above Shotford Bridge, F. 



P. perfoliatus, L. Perfoliate Pondweed. 7. Abundant in 

 the Waveney at Flixton and Earsham, otherwise rare, F. 



P. crispus, L. Curled Pondweed. 6, 7. Common in the 

 marsh dykes and ponds : var. serratus, Wortwell 

 Marshes, D. 



P. densus, L. Opposite-leaved Pondweed. 6, 7. Frequent in 

 the Waveney and its ditches : Mendham ; Wortwell ; 

 Shotford, etc. 



P. pusillus, L. Small Pondweed. 6, 7. Frequent in ditches 

 of the Waveney : Homersfield ; Mendham, etc. 



P. trichoides, Cham. Hair-like Pondweed. 7 10. Hare : 

 Brockdish Dykes (EAH). Slow water ditch near Tivets- 

 hall Station ; Pulham Mary ; Alburgh (T). Discovered 

 in Norfolk and added to the British Flora by the Rev. 

 Kirby Trimmer. 



P. pectinatus, L. Fan-like Pondweed. 6, 7. Rare : in the 

 Waveney at Earsham, F. Ditchingham (TS). 



ZANNICHELLIA, L. 



Z. palustris, L. Common Horned Pondweed. 5 8. Frequent 

 in the marsh ditches : Mendham Old Priory, etc. ; Wort- 

 well Broadwash. 



Z. pedunculata, Reich. Long-horned Pondweed. 58. Rare : 

 slow ditches, Gissing (T). 



CYPEEACE.E. 

 ELEOCHARIS, R.Br. 



IE. acicularis, Sm. (Scirpus acicularis, L.). Slender Spike- 

 rush. 7, 8. Very rare : on Stow Fen, at Earsham (T. 

 and EAH). 



E. palustris, R.Br. (Scirpus palustris, L.). Creeping Spike- 

 rush. 6, 7. Abundant in the marshes (Mendham, Need- 

 ham, etc). Pond, Harleston Common. 



