by Dr M Lueth ©.
*1: Near Bissoe, 1961,
JAP (BBSUK) (Paton 1969a:
697). [Older report (Near Cape Cornwall, LJC, in MEC 1919) not
supported by specimen: Paton 1969a: 697].
*2: Soil between
slates, quarry, near St Nectan's Kieve, Tintagel, Aug. 1960,
JAP & JA (BBSUK) (Paton 1961: 153, 1969a:
Habitat notes from Cornwall are as follows. Soil in
rather bare places on slopes on floor of old quarry. Thin soil
on granitic rocks in old quarry, unshaded; with Cephaloziella
heteromallum. On unshaded (or at most lightly shaded),
stony, earthy or sandy metalliferous mine-spoil, or in mats of
stellulifera (also with Cephaloziella
heteromalla, Diplophyllum albicans,
gracillimum, Pogonatum aloides, Pohlia nutans, rarely
beneath open cover of Calluna vulgaris).
Clay soil of banks and flat ground near working china clay
quarries, unshaded (with Cephaloziella sp.).
Thin clay 'soil' over horizontal concrete of ruin of
china-clay dry, unshaded (with Cephaloziella sp.).
Partly bare soil on bank at edge of clearing in conifer wood,
scalaris. Bit on horizontal acid soil in bare patch among
Calluna vulgaris on
heath. Compressed acid soil of partly bare patches on unshaded
paths near old mine and in cemetery, (with Archidium
alternifolium, Ceratodon purpureus,
Amongst low mosses or in patchy short turf on soil on exposed
cliff slopes and tops (with Archidium
introflexus, Fossombronia sp., Polytrichum
Near always (?) with foliar gemmae. Cper: 1, 3, 4,
8, 12. Frequently (or ocasionally ?) c.fr.: immature 1, 3, 4,
12; dehisced 1, 3.