Beech been widespread in Europe since the 17th century. Beech has been listed as one of the 38 plants whose flowers are used to prepare Bach flower remedies. The beech most commonly grown as an ornamental tree is the European beech ("Fagus sylvatica"), widely cultivated in North America and its native Europe. Many varieties are in cultivation, notably the weeping beech "F. sylvatica" 'Pendula', several varieties of copper or purple beech, the fern-leaved beech "F. sylvatica" 'Asplenifolia', and the tricolour beech "F. sylvatica" 'roseomarginata'. The strikingly columnar Dawyck beech ("F. sylvatica" 'Dawyck') occurs in green, gold, and purple forms, named after
Fagus Factory one year before starting work on the Fagus factory) that architects should take account of the way the speed of modern transportation affects the way architecture is perceived. Gropius had also commented the subject in his writings. According to the historian of architecture Annemarie Jaeggi these thoughts were important in the design of Fagus: "The animated fluctuation in height, the change between horizontal structure and vertical rhythms, heavy closed volumes and light dissolved fabrics, are indicators of an approach that deliberately utilized contrasts while arriving at a harmony of opposites in a manner best expressed as a pictorial or visual