Still another vegetative method of reproduction is that by bulbils or gemmae.
"Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886" by Various
A swollen bud or bulbil in this situation is not uncommon in some cultivated tulips and lilies.
"Vegetable Teratology" by Maxwell T. Masters
The bulbils should not be detached from the stems until the latter are quite ripe, and the foliage shows signs of withering.
"Beautiful Bulbous Plants" by John Weathers