Flowers; all the vegetable productions of a country or of a geological period, as the flora of England, the flora of the coal period. Flora was the Roman goddess of flowers.
Another Flora there, of bolder hues, And richer sweets beyond our garden's pride.
The animals of a period or country are called the Fauna; hence, the phrase the Flora and the Fauna of ... signifies all its vegetable and animal productions.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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