480 



A. HESSELBO 



Folia caulina decurrentia, inferiora ovata , breviter cuspidata, 

 superiora longius cuspidata, breviter vel non decurrentia, 2.3 mm. longa 

 et 0.9—1 mm. lata, apice integra vel leviter dentata; margine ad apicem 

 reflexa, seriebus 2 — 4 cellularum angustiorum limbata. Cellulæ foliares 

 leptodermes, indistincte porosæ, basilares rectangulæ, 0.035—0.050 mm. 

 longæ et 0.018—0.020 mm. latæ, ad insertionem rubræ; illæ folii medii 



elongato-hexagonæ, vel rhomboideæ 

 0.05—0.08 mm. longæ et 0.015— 

 0.018 mm. latæ, apicales angustiores. 

 Costa fusco-lutea, ad insertionem 

 0.08 mm. lata, in foliis inferioribus 

 sub apice desinens, in superioribus 

 in cuspidem integram excurrens. 



Folia perichætialia intima 

 anguste triangula, margine limbata. 

 Inflorescentia sj'noica; an- 

 theridia perpauca; archegonia 

 et paraphyses numerosæ, roseæ. 

 Seta 3—4 cm. longa et 0.20 mm. 

 crassa, rubra. 



C a p s u 1 a nutans, arcuato-clavata 

 deoperculata 3.35 mm. longa et 1 mm. 

 crassa, sub oriflcio obliquo rubra 

 contracta; coUum 1.5 mm. longa. 

 Operculum humile conicum, apice 

 rubro. Annulus 0.14 mm. latus, 

 triplex. Exostomii dentes e fundo 

 purpureo vel rubro-aurantio bene 

 definito 0.40—0.45 mm. longi et 

 0.10 mm. lati, fusco-lutei, anguste 

 limbati, dense et subtiliter papil- 

 lulosi; lamellæ ca.24, inter se liberæ, 

 margine integra. Endostomium 

 exostomia vix adhærens, luteum, 

 subtiliter papillulosum; processus 

 dentibus æquilongi, fenestrati; Cilia 

 nulla. Sporæ olivaceæ, 0.025—0.033 

 mm. diametro, punctulatæ. 

 W. Iceland: Haukadalsheidi pn damp gravelly ground at an altitude 

 of about 350 metres, August Ist, 1909. 



144. Bryum fallax Milde. 



N. Iceland: Geitaskard !, fr. 



It was growing here in a dried up pool among Pohlia teimifolia. 



145. Bryum æneum Blytt. 



Bnjiim riitilans Brid. 



E. Iceland: Djupivogur!; Seydisfjordur!; at an altitude of 400 metres. 

 N. Iceland: Akureyri!, at an altitude of 350 metres. NW. Iceland: Bildu- 



Fij;. o. Rrijum Grænlwidii (X 3'- 



