A bunch of pot heads will assume by "Morning Glory" a band is referring to the plant's hallucinogenic seeds.
The Tent Poppers?
Wait, the plant "morning glory" has hallucinogenic seeds?!
My mum grows it in the garden, now I know why
edit, looked on wikipedia, maybe not
"Morning glory is a common name for over 1,000 species of flowering plants in the family the Convolvulaceae, belonging to the following genera:
Calystegia
Convolvulus
Ipomoea
Merremia
Rivea"