Dusty Miller Meaning

Example : 1829: Robert Chambers, The Scottish Songs p. 539:  Hey, the dusty miller,/ And his dusty coat!/ He will win a shilling,/ Ere he spend a groat./ Dusty was the coat,/ Dusty was the colour;/ Dusty was the kiss,/That I gat frea the miller.  Hey, the dusty miller,/ And his dusty sack! / Leeze me on the calling/ Fills the dusty peck;/ Fills the dusty peck,/Brings the dusty siller:/I wad gie my coatie/ For the dusty miller.2005: Baitinger, A, CAB abstract of "Miller - a job with promotion and opportunities for the future!", Mühle + Mischfutter, (Vol. 142) (No. 8) 233-272  The stereotypical image of the "dusty miller", as depicted in popular legend and some traditional literature, is a barrier, and milling is seen by younger people as low-status. There is an urgent need to change this perception through measures such as changing the designation to something like "grain and feed processing technician" and improving training provision and prospects."One of several species of plants with leaves of a dusty appearance: Centaurea cineraria, Senecio cineraria, Artemisia stelleriana, and Lychnis coronaria.