There are three versions of Sweet Violets in the Digital Tradition database. The first one uses "My Bonny Lies over the Ocean", for the verses but #2 and #3 use the tune Joe posted. Version 3 is the one I remember from the early 60s, but had another verse:-
^^
While the lady of the manor was powdering her
Face and arranging her vanity box
And taking precautions to ward off the
What did you think I was going to say?
You dirty young bugger, that's all for today.

In a similar vein was:

She went for a ride in a Morgan,
She sat with the driver up front.
He played with her genital organ,
Which the more vulgar-minded call

Ring-ting-a-ling,
Ring-ting-a-ling,
Ring out the bells.
Play on my Spanish Guitar.

Some nights she dined at the Palais,
Others she dined at the Ritz,
Showing acres and acres of bosom,
Which the more vulgar-minded call

Ring-ting-a-ling,
Ring-ting-a-ling,
Ring out the bells.
Play on my Spanish Guitar.

I'm sure there must have been more verses to this one too, but it's over 35 years since I last heard it. Can anyone out there help?

X: 1
T:Play on my Spanish Guitar
M:3/4
L:1/4
Q:144
K:G
D|
DGG|GAG|Fd2-|d2d|dAB|cde|d3-|d2D|
DGG|GAG|Fd2-|d2d/d/|dAB|cBA||
GB/B/B|GB/B/B|A/c2c/|c3|dAB|c
Wassail! V