78 
Potamogeton pusillus. 
Origin of the British Flora. 
Scirpus lacustris. 
trichoides. Blysmus rufus. 
——- pectinatus. Carex incurva (?). 
Scirpus pauciflorus. Chara. 
setaceus. 
D.—Lignite with Temperate plants. 
Ranunculus aquatilis. Rumex Acetosella (?). 
sceleratus. Urtica dioica (?). 
———— Lingua. Alnus glutinosa. 
— cf. repens. Carpinus Betulus. 
Montia fontana. 
Rhamnus Frangula. 
Rubus Idzeus. 
Rosa canina. 
Pyrus torminalis (?). 
CEnanthe Phellandrium. 
Sambucus nigra. 
Eupatorium cannabinum. Eleocharis acicularis. 
Bidens tripartita. Scirpus pauciflorus. 
-—————-. var. with - setaceus 
four equal awns. lacustris 
Mentha aquatica. Blysmus rufus. 
Lycopus europeeus. Eriophorumangustifolium. 
Corylus Avellana. 
Ceratophyllum demersum.. 
Taxus baccata. 
Sparganium ramosum. 
Alisma Plantago. 
Potamogeton pusillus. 
-—— trichoides. 
Stachys (?). Carex distans (?). 
Rumex maritimus. ampullacea (?). 
crispus. 
E.—Clay with freshwater shells, fish-bones, and Temperate 
plants. 
Ranunculus Lingua. 
-—— repens. 
Rubus Idzus. 
Hippuris vulgaris. 
Rumex maritimus. 
Alnus glutinosa, 
Ceratophyllum demersum. 
Sparganium ramosum. 
Potamogeton trichoides. 
Zannichellia palustris. 
Scirpus lacustris. 
Carex. 
As beds D and E, containing a temperate flora, lie 
above the Glacial deposits and below loam with Arctic 
plants, they are classed as Interglacial. Bed C, containing 
Arctic plants, is newer than the boulder-clays of Suffolk, 
and is therefore called Late Glacial. 
