The singer walks out in May and meets a "proper lass." He asks what she is doing; she replies, "Gathering the dew; what need you ask?" He asks her to marry; she says it is not her task to give him her maidenhead. He returns home wondering who she was
I suspect that this is a reversal of one of the "Thyme" songs (probably a "Garners Gay" version of "Thyme (It Is a Precious Thing)"). There are many similarities. But even if it is such, the changes are enough that we have to list it as a separate song. - RBW