I stumbled across a few smallish purple-spored puffballs (Calvatia cyathiformis) today while mowing the back acreage. Same place I found them last fall.
Photos available:
https://drive.google.com/open?id=110bMdsVpG4VQMWN2LpXBu-o-M7HN-vOg
https://drive.google.com/open?id=1_nyOUssuGiVyULQIj1rqdpkouC6RX5ys
I only picked two and left the others to sporulate (read: I wasn't willing to brave the poison ivy).
Bruce