2O BRITISH WILD FLOWERS 



rose (52), grass of Parnassus (79), sundew (82), 

 bog asphodel (93), yellow and purple loose- 

 strifes, water violet (53), frog-bit (116), water 

 lily (Fig. 17), cotton grass, water crowfoot, marsh 

 cinquefoil (148), and gipsywort are but a few. 



6. Lakes, Ponds, and Rivers 



yield some of the foregoing, along with others, 

 such as the lobelia, flowering rush (Plate II), pond 

 weeds, marestail, and others. 



7. The Seashore and Estuary 



have a delightful flora of their own. It is 

 usually somewhat late, but includes sea holly, 

 horned poppy (160), viper's bugloss (51), sea 

 convolvulus (62), thrift, sea heath, campion, sam- 

 phire, aster, some beautiful thistles, the pretty 

 sea lavender (80), and the lovely little burnet 

 rose (151). This must suffice as a general 

 guide to the situations in which plants may be 

 found. We turn now to the important subject 

 of structure. 



III. THE STRUCTURE AND HABITS OF 

 FLOW T ERS 



Ht 



I. General Observations 



Flowers differ in many ways, and it is by 

 observing their differences of form, colour, habit, 

 and structure that we are able to arrange them 



