Hair.
King Arthur, growing very tired indeed
Of wild Tintagel, now that Lancelot
Had gone to Jersey or to Jericho,
And there was nobody to make a rhyme,
And Cornish girls were christened Jennifer,
And the Round Table had grown rickety,
Said unto Merlin (who had been asleep
For a few centuries in Broceliande,
But woke, and had a bath, and felt refreshed):