Case felt the stuff had grown somehow during their absence .
Leave it alone, he said, "and that dang stuff will grow over the trees."
Someone had evidently tried to scrub down a section of the wall, but already the stuff was growing back.
The stuff grew not less but more horrible with every mouthful he drank.
"You know how stuff like this grows in folks' minds over the years."
From what she could feel, the stuff had grown long enough to reach almost the middle of her back.
For some reason the stuff was growing most thickly near the body itself.
Then they laid down a lot of topsoil, but stuff wouldn't grow.
If the stuff grew back in three weeks' time, it could eventually overcome us.
I guess they just sit back and let the stuff grow.