With you saying it is sticky to the touch it makes me think it might be rosinweed, http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c438 & http://www.nrcs.usda.gov/Internet/FSE_PLANTMATERIALS/publications/gapmcpu9008.pdf

Daylily. 'Stella D'oro' or similar.

It is yellow archangel, Lamiastrum galeobdolon. Unless the clumping cultivar 'Herman's Pride' (which I don't altogether trust), considered invasive in many areas, including here in the PNW.

Aha, Wisconsintom - you called my bluff. You're right. But then with the Cassia you have the leaves to go by. I just do these things by instinct, not having any botanical training whatsoever. I just get a feeling based on a lot of time staring at plants and this time it was for Scrophulariaceae.