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APPENDIX 



A triplex 



Rumex . 



R. acetosa, acetosella 



Polygonum avieularc 



Euphorbia 



Mercurial is 



EmpctriiiD 



Urtica . 



Parietaria 



Humulus 



Mijrica 



Salix caprca, aurita 



H. fragility, at ha, etc. 



8. viminalis 



S. repens 



Populus alba . 



P. tremula 



P. niyra 



Pinus si 1 1 1 rsf i As 



P. abies 



7'a/i/ta . 



tiparganinm 



Lemna, . 



Potamouetmi 



Alisma plantago 



Juncus 



Luzula 



Eriopltormn 



Carex . 



Dactylis 



Phragmites 



Orache. 



Dock. 



Sorrel. 



Knotgrass. 



Spurge. 



Dog's Mercury. 



Crowberry. 



Nettle. 



Pellitory. 



Hop. 



Sweet-,L f ale. 



Sallow. 



Willow. 



Osier. 



Dwarf Sallow. 



White Poplar. 



Aspen. 



Black Poplar. 



Scotch Fir. 



Spruce Fir. 



Reed-mace. 



Bur- reed. 



Duckweed. 



Pondweed. 



Water Plantain. 



Rush. 



Wood-rush. 



Cotton-grass. 



Sedge. 



Cocksfoot-grass, 



Reed. 



