ITS FLOWERING PLANTS. 125 



Euphorbia exigua. Dwarf Spurge. 



Mercurialis perennis. Dog's Mercurj'. 



Ceratophyllum demersum. Homwort. 



Callitriclie vema. Water Starwort. 



Urtica urens. Small Nettle. 



U. dioica. Common Nettle. 



Ulmus campestris. Common Elm. 



Salix aquatica. Water Sallow. 



S. aurita. Trailing Sallow. 



S. Caprea. Great Sallow. 



S. ambigua. 



S. repens "| 



S. fusca I 



S. prostrata [- Dwarf Willows. 



S. ascendens j 



S. incubacea J 



Populus tremula. Aspen. 



Betula alba. Silver Birch. 

 *Fagus sylvatica. Beech. 



Quercus pedunculata. Oak. 



Corylus Avellana. Hazel. 

 *Carpinus Betulus. Hornbeam. 



Paris quadrifolia. Herb Paris. 



Tamus communis. Black Brj'ony. 



Orchis mascula. Early purple Orchis. 

 *0. maculata. Spotted Orchis. Damp spots. 



Habenaria bifolia. Butterfly Orchis. 

 *Spiranthes autumnalis. Ladies'-tresses. 

 *Neottia nidus-avis. Bird's-nest Orchis. Among Beech 

 leaves. 



Listera ovata. Sway-blade. 



Epipactis media. Helleborine. 



Iris foetidissima. Stinking Iris. 

 *Convallaria majalis. Lily of the Valley. 

 *Polygonatum multiflorum. Solomon's Seal. 

 *Ruscus aculeatus. Butcher's Broom. 



Scilla nutans. Bluebell. 



Juncus effusus. Soft Rush. 



J. conglomeratus ') 



J. glaucus I 



J. diflfusus I 



J. acutiflorus [- Rushes. 



J. lamprocarpus I 



J. squarrosus | 



J. bufonius J 



Luzula campestris 1 Wood-rushes. 



L. multiflora J 



