1 what R was a scottish outlaw and a wild flower
2 what S is a method of printing
3 what A used to be of the white of the red or of the blue
4 what R ia an atomic pile
5 what C is a fibrous material
I'm sure trevor's mildew or mould is right but MUCOR is also a possibility. I only mention it because it apparently causes ulcerative dermititis in platypus on tasmania. I thought you would want to know this in case you were thinking of importing one as a pet.