220 GUERNSE Y. 
Grimmia leucophaea, Grev. (G. campestris, Braith.) 
Frequent on the southern eliffs, but usually barren. Fruiting. 
abundantly in 1891 on a rock above Petit Bot Bay. 
Rhacomitrium heterostichum, Brid. (Grimmia, Braith.) 
Petit Port Cliffs. 
Var. alopecurum, Hubn. (Grimmia affinis, Braith.) On 
several parts of the cliffs at St. Martin’s and the Forest, and on 
Lancresse Common. 
Ptychomitrium polyphyllum, Firnr. (Glyphomitrium, Braith.) 
On an old wall at Petit Bot, plentiful and fruiting abundantly. 
TORTULACEAE. 
Phascum cuspidatum, Schreb. (P. acau/on, Braith.) 
Generally distributed and not uncommon. 
Pottia Heimii, Fiirnr. 
Base of a wall near the sea at Cobo. 
Pottia truncatula, Lindb. 
Common in fallow fields, and on bare ground in gardens. 
Pottia intermedia, Fiirnr. 
Generally distributed and frequent. 
Pottia littoralis, Mitt. 
Bordeaux Harbour. Les Capelles. Braithwaite accords to this. 
moss specific rank ; Dixon regards it as a form of clermedia. 
(Pottia crinita, Wils., occurs in Alderney.) 
Pottia Wilsoni, B. & S. 
Hedgebank near Les Capelles. 
Pottia asperula, Mitt. 
On the cliffs above Petit Port, sparingly. 
(Pottia minutula, Firnr., occurs on seabanks in Alderney. ) 
Tortula ambigua, Angstr. (Z: evicaefolia, Braith.) 
In many places in the south: usually on old walls. 
Tortula atrovirens, Lindb. 
On the ground near the sea. Saints Bay Valley. Fermain 
Point. Pezeries, Rocquaine. 
Tortu'a muralis, Hedw. 
Very common on walls and roadside stones. 
