BOOK II. 



FLOWERS FOR PARTICULAR PURPOSES. 



883 



6521. 



AQUATIC PLANTS WITH SHOWY FLOWERS. 



6522. Marsh plants. Some of these have been given as border-flowers, and will grow in almost any 

 situation ; but others, as the acorus, comarum, littorella, &c. will not grow vigorously and flower unless 

 their roots are in soil constantly saturated with water. 



MARSH PLANTS WITH SHOWY FLOWERS. MAY AND JUNE. 



