Denis has an excellent post on Thelymitra species here .
(Click images to enlarge)

Thelymitra ixioides on the wrong side of the sun for optimum photography, hence they are a bit "hot" ! :-)
This, I think, is the Common Rice Flower, Pimelea humilis. There was quite a little colony of them growing in the block containing remnant vegetation about 50 metres from my house. No orchids this year, unfortunately, but I have seen Petalochilus there in the past.
Leptospermum myrsinoides or Heath/Silky Tea Tree.

This Pimpernel, a small member of the Primulaceae family is classed as a weed but not a rotten one, apparently. I found lots of it adding a lovely splash of blue and red colour to my walks during October.

This Pimpernel, a small member of the Primulaceae family is classed as a weed but not a rotten one, apparently. I found lots of it adding a lovely splash of blue and red colour to my walks during October.
Anagallis arvensis