From Chapter 3:
A further witness to the prevalence of smoking and to the enormous number of tobacco-sellers' shops is Camden, the antiquary. In his "Annales," 1625, he remarks with curious detail that since its introduction—"that Indian plant called Tobacco, or Nicotiana, is growne so frequent in use and of such price, that many, nay, the most part, with an insatiable desire doe take of it, drawing into their mouth the smoke thereof, which is of a strong scent, through a pipe made of earth, and venting of it againe through their nose; some for wantownesse, or rather fashion sake, and other for health sake, insomuch that Tobacco shops are set up in greater number than either Alehouses or Tavernes."

From Chapter Chapter 8:
He describes the box and its contents in lines which show not only tolerance but appreciation of tobacco, from which it is not unreasonable to infer that Cowper's first view of his friend's smoking-habit as a drawback—as shown in his letter to Unwin, quoted above—had been modified by neighbourhood and custom. It might have been well for the poet himself if he had learned to smoke a social pipe with his friend Bull. The appreciative lines run thus:

This oval box well filled
With best tobacco, finely milled,
Beats all Anticyra's pretences
To disengage the encumbered senses.
O Nymph of transatlantic fame,
Where'er thine haunt, whate'er thy name,
Whether reposing on the side
Of Oronoco's spacious tide,
Or listening with delight not small
To Niagara's distant fall,
'Tis thine to cherish and to feed
The pungent nose-refreshing weed,
Which, whether pulverized it gain
A speedy passage to the brain,
Or whether, touched with fire, it rise
In circling eddies to the skies,
Does thought more quicken and refine
Than all the breath of all the Nine—
Forgive the bard, if bard he be,
Who once too wantonly made free,
To touch with a satiric wipe
That symbol of thy power, the pipe;
        *     *     *     *     *     *     *
And so may smoke-inhaling Bull
Be always filling, never full.