“An infusion of leaves from far Cathay,

Leaves of the alder, and leaves of the bay,

With a twang, and full flavoured, just as it should be,

And I think that there may be some leaves of the tea.”

“What is that, mother, so coldly blue,

Like a wintry sky of azure hue?”

“That is milk of the city, that mixture, my dear,

The milk of the chalk-pit and pump that is near,

That would not be owned by a sensible cow,