*1: Hayle, 1865, WC
(BM) (Paton 1969a:
694).
*2: Boscastle Harbour,
1930, JBD & HHK (Hb JBD) (Paton 1969a:
694).
Forms substantial pure patches; perennial. Habitat
notes from Cornwall are as follows. Steep, wet soil of flushed
banks and thin wet soil over flushed slate or granitic rocks
on and above sea-cliffs, N.- to E.-facing but unshaded (near
Fissidens
osmundoides, Pellia
endiviifolia, Pellia epiphylla, Rhizomnium punctatum,
Riccardia
chamedryfolia). Soil part shaded in crevice high on
S.-facing serpentinite sea-cliff. Damp N.-facing bank in
pasture above cliffs, partly shaded by herbs (with Entosthodon obtusus).
Rather low on sea-cliff, on steep wet soil of low banks and
base of old Molinia
caerulea tussock in flush. Extending onto damp unshaded
edge of track above sea-cliffs.
Commonly c.fr. Capsules immature 1, 3, 12; dehisced
5.
