since these orchids were growing from the ground up - 

I can safely say they are terrestrial orchids.

spotted terrestrial orchids

there wasn't a name tag nearby that I was aware of when taking the photo but here it is for your viewing pleasure. 

I just like the spotted pattern of these orchids

these orchids look more like Tiger Lillies I thought

orchids looking like lillies

they were definitely terrestrial variety - so apparently easy to grow