GEIMMIA. 1 23 



apex diaphanous, margin erect, basal cells rectangular, 

 hyaline at margin, becoming minute and quadrate 

 above. Caps, ovate, erect, smooth, pale brown, on a 

 straight seta, lid conical, obtuse, annulus narrow. 

 Perist. teeth lanceolate, red, entire or slightly perforate. 

 Calyptra multifld, long beaked. [Dr. Braithwaite, I.e., 

 199. Sch. Syn., 267.] 



Alpine rocks. Summer. 



Glen Callater and Glen Phee, Clova, 1868 (Fer- 

 gusson) ; near Glasgow (Dr. Stirton). 



232. G. unicolor, Grev. St. 1 — 2 inches, loosely 

 csespitose, naked below. Branches brittle, flexuose. 

 L. erect, channelled, lanceolate-subulate, from an ovate 

 base, obtuse, not hair-pointed, rigid, margin incurved, 

 broadly nerved to apex. Caps, ovate, nearly erect, 

 ■with a large annulus and a long, straight or slightly 

 inclined beak. Dioicous. 



Alpine rocks. Autumn. 



Clova. 



233. G. atrata, Miel. St. ceespitose, 1 — 2 inches. 

 L. blackish, rigid, erecto-patent, lanceolate-subulate, 

 carinate, margin reflexed, scarcely so obtuse as the last, 

 with a thinner nerve, scarcely reaching to apex. Caps, 

 ovate-oblong, on a longer seta, erect or subcernuous, 

 annulus broad, lid rostrate, orange-coloured. 



Alpine rocks. October — April. 



Snowdon, Glen Callater, &c. 



Section 5. COSOINOBON. 

 Calyptra reaching to neek of capsule. Perist. teeth 

 cribrose. 



234. G. cribrosa, Hedw. Densely pulvinate, glaucous 

 green, often black below. St. 4 inch, dichotomous. 



