INTRODUCTION 8i 



Ramsoms, Lords-and- Ladies, Wood Sedge, Rough 

 Brome Grass. 



On dry soils Dog's Mercury, Moschatel, are typical, 

 and amongst others the following also grow on such 

 soils, Ground Ivy, Hairy St. John's Wort, Nettle, 

 Wood-sage, Lily-of-the-Valley, Melic Grass, Three- 

 nerved Sandwort, Whitlow Grass, Rue-leaved Saxi- 

 frage, Biting Stone Crop, Wild Thyme. 



On limestone scrub Roses, Hawthorn, Ivy, Hazel 

 are common, with Rockrose, Salad Burnet, Hairy 

 St. John's Wort, Oxeye Daisy, Woolly -headed 

 Thistle, Primrose, Ground Ivy, Marjoram, Kceleria, 

 Br achy podium gvacile, etc. 



Limestone grassland is characterised by such plants 

 as Hairy Violet, Ladies' Fingers, Horseshoe Vetch, 

 Rockrose, Squinancy Wort, Scabiosa Columbaria, 

 Clustered Bellflower, Marjoram, Bee Orchis, Fly 

 Orchis, Shining Oat Grass, Kceleria, Bromus erectus, 

 Brachypodimn pinnatum. 



Limestone swamps and heaths are also found to be 

 characterised by a number of plants, such as, in the 

 first case. Globe Flower, Meadow Sweet, Water 

 Avens, Grass of Parnassus, Hemp Agrimony, Melan- 

 choly Thistle, Primula farinosa J Jacob's Ladder, etc., 

 and in the latter by Shining Cranesbill, Viola lutea, 

 Rue-leaved Saxifrage, Rockrose, Squinancy Wort, 

 Antennaria dioica, Knapweed, Greater Knapweed, 

 Felwort, Marjoram, Scented Ribgrass, Frog Orchid, 

 Early Sedge, Barren Oat Grass, etc. 



The plant associations of the chalk are charac- 

 VOL. III. 6 



