On 28-Mar-13, at 6:22 AM, Diana Chapman wrote: > E. revolutum has been the most difficult for me, even > though it grows locally (or so I am told, I have never found any!). E. revolutum grows on stream banks here, unlike oregonum which grows among trees and grandiflorum which grows on rocky slopes. Perhaps revolutum needs a lot of moisture to germinate. Diane Whitehead Victoria, British Columbia, Canada cool mediterranean climate moderate dry summers, moderate rainy winters 68 cm rain (27 in)