ONE-COLOUR GARDENS 
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can be filled with lavatera (pink mallow), 
rosy-branching larkspur, and mignonette. 
A much-admired garden in the north of 
Plan E. 
England has a small garden within it, entirely 
of the lemon-coloured Calceolaria amplexi - 
caulis , and heliotrope in all shades of purple 
and mauve. 
A similar idea could be carried out with 
