18 ORCHIDS. 
varieties for the adaptation to fertilization by bees or by humming- 
birds, in the most marvellous fashions. Alike by their inferior 
ovary, their bilateral shape, their single stamen, their remarkable 
forms, their brilliant colors, and their occasional mimicry of insect 
life, the orchids show themselves to be by far the highest of 
the trinary flowers, if not indeed of the entire vegetable world.” 
