part 1] 



ARCTIC TLOEA OF THE CAM VALLEY. 



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Myriophylluin spicahtm L 



Hiiypuvis vulgcivis L. ... 



f 

 c 

 f 



1 

 1 



s 



1 



C 

 1 



1 

 1 

 1 

 C 

 1 

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1 



c 



c 

 c 

 2 

 2 

 2 

 C 



1 

 1 



1 

 c 

 s 

 £ 

 C 

 f 



f 

 1 



c 

 f 

 1 

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V Recorded from the Lea Valley. 



Leaves, fruits, and shoots. Recorded 

 fossil on the Continent, but not in 

 this country. 



y Exotic. 



J 



Leaves. 



JExotic. 



Saxifraga oppositifolia L 



Scabiosa sp. 



Gampamda sp. 



Vacciniitm iiliginosiim L 



Gentiana cruciatci L 



Me)iijanthes trifoliata L 



Recorded from the Lea Valley. 

 Nearest to B. alpina, but only half as- 

 larg-e as that species. 



Bartsia sp 



Ajugci reptaiis L 



Primula scotica Hook 



Not previously recorded fossil. 

 Exotic. 



Primula sp. 



A.rmeria arctica Wallr 



Recorded from the Lea Valley. 



Riunex maritimus L 



Polygonum, viviparum L 



Salix cinerea L 



Recorded fossil from Saxony, but not 



previously from this country. 

 Leaf. 



Salix repens L 



Leaves. Recorded from the Lea Valley. 

 Leaves. 



Salix Arbuscula Fries 



Salix Lapponum L 



Leaves. Recorded from the Lea Valley. 



Salix herhacea L 



Leaves. Recorded from the Lea Valley. 



Leaves. Exotic. 



Leaves. Recorded from the Lea Valley. 



Salix Polaris Wahl 



Salix reticulata L 



Betula nana L 



Carpinits Betulus Tj 



Fruits, male catkins, and leaves abun- 

 dant. Recorded from the Lea Valley. 

 Recorded from the Lea Valley. 



> Recorded from the Lea Valley. 



Not previously recorded fossil. 

 Recorded from the Lea Valley. 

 Recorded fossil from Denmark. 



Spavganium simplex Hudson ... 

 Spa.rganium minimum Fries ... 

 Potamogeton lieteropliyllus Schr. 



Potamogeton Zizii Roth 



Potamogeton ohtusifolius M. & K. 

 Potamogeton filiformis Nolte . . . 

 Potamogeton densus L 



Potamoaeton SDV) 





Zannichellia pedunculata Reich. 

 Naias marina, var. intermedia 



A. Braun. 

 Eleocharis palustris R. & S. 



Uleocharis uniglumis Link 



Rhynchospora sp. ? 



Recorded from the Lea Valley. 

 Identification kindly confirmed by Dr. 



Rendle. 

 Recorded from the Lea Valley. 



Scirpus laciistris L. (?) 



Eriophorum polystachion L 



Eriophorum latifoliion Hoppe . . . 

 Carex capitata L 



Recorded from the Lea Valley. 

 Not previously recorded fossil. 



Exotic. Not previously recorded fossil. 



Carex arenaria L, (?) 





Carex divisa Hudson 





Carex vulpina L. (?) 





Carex lagopina Wahl 



Carex Goodenovii Gay 



Not previously recorded fossil. 



This species was at first identified with 





C. incurva Lig-htfoot by Mr. Reid,^ 

 but the examination of more material 

 has since proved it to be C. Goodenovii, 



^ J. E. Marr, loc. cit. 



