222 THE STORY OF PLANT LIFE 



Lady's Navel, Lover's Links, Maid-in-the-mist, 

 Milk-the-cows, Money-pennies, Navelwort, Venus' 

 Navel Wort, Pancakes, Penny Caps, Penny Cake, 

 Penny Hat, Penny Leaves, Penny Pies, Penny- 

 plates, Penny Wall, Pennywort, Great Stonecrop, 

 Wall Wort are the vernacular names of this wild 

 flower. 



Cotyledon Umbilicus. — The illustvation {Fig. 44) 

 gives an admirable notion of the habitat of Navelwort, 

 and the curiously unibilicate leaves and long racemes of 

 flowers are well shown. 



White Stonecrop {Seditm album). 



Like the last, also a member of the Stonecrop 

 group. White Stonecrop shows similar adaptations 

 to dry conditions, the plant being fleshy and 

 succulent. 



This species may perhaps be regarded as native on 

 the Malvern Hills and in Somersetshire. A some- 

 what similar form also occurs in Ireland, near Cork. 

 Elsewhere it seems to be introduced from gardens, 

 and is not uncommon. 



Old walls, rocks, cottage roofs, are the habitats of 

 the White Stonecrop. 



This is one of the plants that has the cushion 

 habit, covering wide surfaces as a mat, hence the first 

 name Sednm (from sedeo, sit). The rootstock is creep- 

 ing and prostrate, ascending at the tip. In winter, 

 short, leafy, barren, purplish stems, with crowded, 



