*1: Stithians, 1861, ES
(TRU) (Paton 1969a: 730).
*2: Near Fowey, 1888,
RVT (B) (Paton 1969a:
730).
Habitat notes from Cornwall are as follows. Vc1
record on inclined surface of granitic boulder, slightly
shaded by elm tree. Vc2 records: On granitic rocks in old
quarry. Sloping granitic rocks of unshaded boulders in old
mine area, such as around ruins of buildings and walls,
usually fully insolated; associates include Racomitrium
heterostichum. On sloping surface of firm and crumbling
granitic boulders in and near china clay quarries and several
times on tops of ridges on firm clay spoil, unshaded to
sheltered and slightly shaded. Numerous patches as colonist on
unshaded flat damp sandy sediment at edge of mica dam. On
granitic boulders at edges of reservoirs and below reservoir
dam; unshaded. On granitic rock of unshaded wall
top.
Four records c.fr. from three localities (vc2):
capsules immature 2, 3, 10, 12; dehiscing 2, 3; dehisced
3.
