Spotted sun orchid - Thelymitra ixioides .

"Thelymitra ixioides is a species of orchid that is native to southern and eastern Australia and to New Zealand. It has a single long, thin, dark green leaf and up to ten flowers which occur in a range of colours, most commonly blue to purple but usually with small, dark blue spots. It is a variable species, similar to "T. juncifolia" which has smaller flowers.