The Crow; The Crocus + 

Some are unable, as you know, + 

To tell the Crocus from the Crow; + 

The reason why is just be‑caws + 

They are not versed in Nature’s laws. + 

The noisy cawing Crows all come, + 

Obedient to the Cro’custom, + 

A large Crow Caw‑cus to convoke. + 

You never hear the Crocus croak! + 