i saw , amongst the thick , dark-green cow parsnip bushes , with their little umbrellas of white flower clusters hidden on top , and huckleberry plants boasting the sought-after vivid blue berries sagging heavy with juice almost to the ground , there were purple lupine flowers rising up in their vertical clusters , like violet spear heads , and also brilliant three-petal trillium flowers looking like white starfish having crawled up the mountain to lay in the sun .