On 6 Oct 2011, at 17:47, David Ehrlich wrote: > Interesting to see how your Gladiolus uysiae bulb spreads. My G. alatus spreads > exactly the same way. I don't know whether those underground runners can > rightlfully be called rhizomes, but they can be maddening. The bon mot is, iirc, "stolon". -- Rodger Whitlock Victoria, British Columbia, Canada