ABSTRACT
I was standing in a glasshouse at Kew Gardens admiring a very beautiful orchid when I overhead a conversation that went something like this:
‘That is an interesting flower isn’t it? Why has it got that bit that looks like a tub under it?’
I was standing in a glasshouse at Kew Gardens admiring a very beautiful orchid when I overhead a conversation that went something like this:
‘That is an interesting flower isn’t it? Why has it got that bit that looks like a tub under it?’