114 BRYOLOGICAL NOTES. 
ascus, large, ellipsoid, sometimes oviform, violet, with a yellowish 
tinge in the centre. When K is applied, distinctly and deeply 
violet. Epispore broad, transversely banded or wavy with light 
and shade. ‘The central part of spore is rough and granular; with 
K it sometimes assumes a smooth and cellular appearance. Para- 
physes, asci, and epispore are deep blue, with iodine. Thallus K 
llow, then deep orange-red. This yah is allied to Pertusaria 
Urceolaria, Nyl., but differs from it in the colour and non-isidiose 
- condition of thallus, in the ae of the paraphyses, and the 
number and character of the It was found on granitic 
rocks beside Ennerdale Lake, ren 1880, and no doubt is 
a very rare plan 
I have also met with the following rare lichens, the occurrence 
of which in Cumberland it may be desirable to record :— 
Lecanora erysibe, forma obscurata, Nyl.—On old walls, Asby, 
Cumberland, 1 ne 
Graphis Ps , forma simplicior, Cromb.—-Thallus similar to 
type ; rele pore mostly simple, a few branched at right angles ; 
thalline margin prominent when mature; epithecium rimeform 
more or less open, proper margin moderate, slightly flexuose, plain. 
Same habitat as the type. Woods near Asby, Cumberland, 1880. 
BRYOLOGICAL NOTES. 
By W. West. 
Tue last edition to the British Moss-Flora is sgt mutabilis, 
Brid. (Pterigynandrum mutabile, Brid., Bryol. Univ., is the earliest 
Ss. 
name; Pterogonium striatum, Schwg., aa Lana @a aia a, B. & 
Bry. ., are also synonyms), which I gathered last August on 
mica-schistose rocks, near the summit of Ben Lawers, on the 
south-east A It was growing near or with Pseudoleskea atro- 
virens, Dicks., as one of my envelopes contained both species. The 
plants cathios: were female ones, and belong to the form which 
ows on trees, and not to the form (var. sazicola, one which 
a on rocks. The latter form is more robust, hav g broader 
a 
ound on trees sent to me te the Rev. J. Fergusson, to whom I am 
also indebted for the var. saxicola, as well as for the correct determi- 
mn de 
Seinen “ein pote from a tree in Maria | is a exattly Mentical 
in its decidedly subsecund leaves with the corticolous form found 
ewer: 
on rocks on r e specimens gathered goo trees had 
entire leaves, while both the erg dia rocks had the 
ae he a pkise in the oki part cee esd 0 op ¢ 
