a James Leman Bizarre Silk design from 1710 (Wikicommons)
Bizarre Silk Mantua circa 1708 (Wikicommons)
Man's sleeved waistcoat circa 1715 (Wikicommons)
Here are some other patterns for Bizarre Silk fabrics:
a design by Charles Baudouin 1707 (Wikicommons)
a design "after James Leman", described as "Geometric and Floral Meanders"
Sadly, the term Bizarre Silk wasn't coined until 1953 (first used in the title of Dr Vilhelm Sloman's book Bizarre Designs in Silks). In its heyday, these exuberant fabrics were probably known simply as very, very desirable.
* along with 1 in 6 people in Britain, according to the programme
** available on BBC IPlayer - well worth a watch.
Joan Lennon's website.
Joan Lennon's blog.