- SUN EXPOSURE
Boreal forests of North America
Picea glauca, or the White Spruce is an economically important species of tree that has been used by humans for millennia. The genus Picea is named after the Latin word for Pitch, a sugar-rich gum extract from these trees. Spruce is particularly used for its wood, but has also been used in herbal remedies. The immature new growth is well-known as a source of Vitamin C. Captain James Cook brewed alcoholic, sugar-based spruce beer to prevent scurvy in his crew. The Native Americans used this particular species, whereas Europeans and Asiatic peoples used other species of spruces.