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Juniperus virginiana L. - Cupressaceae
eastern redcedar, pencil cedar, Virginischer Wacholder, Bleistiftzeder,

Dioecious tree, up to 30 m high, native to eastern North America, cultivated in Europe; bark brown, exfoliating in thin stripes; whip leaves 3-6 mm, scalelike leaves 1-3 mm, overlapping; seed cones globose to ovoid, 3-6 mm, blue-black to brownish blue when mature.
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=210000931

„The fine-grained, soft brittle pinkish- to brownish-red heartwood is fragrant, very light and very durable, even in contact with soil. Because of its rot resistance, the wood is used for fence posts. The aromatic wood is avoided by moths, so it is in demand as lining for clothes chests and closets, often referred to as cedar closets and cedar chests…
The wood is marketed as „eastern redcedar“ or „aromatic cedar“. The best portions of the heartwood are one of the few woods good for making pencils, but the supply had diminished sufficiently by the 1940s that it was largely replaced by California incense cedar.“
http://en.wikipedia.org/wiki/Juniperus_virginiana

The volatile wood oil of J.virginiana contains widdrene (thujopsene, 21%), α-cedrene (21%), β-cedrene (8%), α-cedrol (22%), widdrol (2%), cuparene (1%), and α-bisabolol (0.6%).
[Adams, R. P. „Cedar wood oil—Analyses and properties.“ Essential oils and waxes. Springer Berlin Heidelberg, 1991, 159-173] http://www.juniperus.org/uploads/2/2/6/3/22639912/99-1991sprverlag159-173.pdf

Cedarwood oil yields (fresh weight) were 2.3% (liquid CO2) and 5.9% (EtOH). „The data demonstrate that extracts from J. virginiana, especially CWO, can impart significant resistance to both termites as well as wood-rot fungi. Cedarwood oil is Generally Regarded As Safe …
Small trees have relatively low amounts of CWO because small trees have high percentages of sapwood which contains very low amounts of CWO compared to the heartwood“
[Critical fluid extraction of Juniperus virginiana L. and bioactivity of extracts against subterranean termites and wood-rot fungi. Eller, F. J., Clausen, C. A., Green, F., & Taylor, S. L., Industrial crops and products, Vol.32(3), 2010, 481-485]