*1: Chyenhal near
Newlyn, 1844, AG (PNZ) (Paton 1969a:
711).
*2: Helman Tor, 1879,
RVT (B) (Paton 1969a:
711).
Habitat notes from Cornwall are as follows. Thin
soil under small overhang on N.-facing rock wall in old
granite quarry. Slaty rock and thin soil in old quarries in
deciduous woodland, sometimes where flushed in wet weather.
Steep rather dry soil on steep faces or under overhangs of
'hedges', laneside banks and a quarried bank, in fully
insolated S.-facing sites and well shaded in deciduous
woodland (with Calypogeia fissa, Pseudotaxiphyllum
elegans). Thin soil of old 'hedges' e.g. beside lanes, on
thin vertical soil or in crevices, slightly shaded to almost
or wholly unshaded. Thin soil on top of laneside stone wall,
unshaded (with Diplophyllum albicans,
Lophozia
ventricosa, Lophozia sudetica, Scapania compacta).
Inside deciduous woodlands on steep soil on trackside bank and
on soil among rocks near river. Firm horizontal soil on top of
low 'hedge' beside track in deciduous woodland, with Sciuro-hypnum
plumosum.
Perichaetial leaves well developed: 1, 12.
Occasionally c.fr.: capsules immature 4, [12 tiny capsule],
dehisced 10.
