Over morning coffee I pondered my options for a rainless Sunday. Why not visit a garden that I would not even consider for a summertime destination? Davis fits the bill; the central valley of California is dreadful in summer. Flat, hot and hazy. The University at Davis is the premiere school for veterinary science, and enology in the California system. The arboretum is modest when compared to the botanical garden at UC Berkekely, but it has some nice features going for it. It's free, it's open 24 hours a day ( amazingly I saw no evidence of Saturday night student beer parties ) and it is adjacent to downtown ; walkers, runners and bikers are the beneficiaries of its wide paths. The paths run along each side of a stream, in this area Hardenbergia was in full bloom along the banks. I couldn't find the tag for this Acacia ..it caught the sunlight in a lovely way. Acacia vestita 'Hairy Wattle' .. so why the 'hairy' moniker ? I searched for eviden...