*1: Granite boulder,
old clay pit, Tregonning Hill between Germoe and Breage, 1965,
RJM comm. JAP (Warburg 1966: 191, Paton 1969a: 715).
*2: Steep side of soft
granite quarry near Trekeivesteps, Commonmoor, Liskeard, May
1963, JAP (BBSUK) (Warburg 1964: 723, Paton
1969a: 715).
Two recent records from vc2 as follows: NW. of
Warleggan, on steep side of granite boulder, almost unshaded
in low open oak woodland on slope above small river, with Marsupella emarginata
var.
emarginata; Baal Pit, Carclaze, on unshaded surfaces of
crumbling granitic boulder at foot of slope in disused
china-clay pit.
Only recorded c.fr.: immature 2, dehisced
4.