KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 63. N:0 10. 47 



Fretum magellanicum: Isla Dawson, Harris Bay (533). 



Species Br. pallescenti Schleich. affinis, sed foliorum forma, peristomio bre- 

 viore sporisque majoribus dignoscenda. 



Br. perlimbatum CarD. 



Patagonia austr.: Skyring, Punta Eulojio (570). Fretum magellanicum: 

 Isla Dawson, Bahia Harris. E. Falkland: Duperrey Harbour (605); Port Stanley 

 et Port Louis. 



Br. (Trichophora) orthothecium Card. et Broth. n. sp. 



Dioicum; gracilescens, caespitosum, caespitibus densis, c. 5 cm altis, superne 

 viridibus vel fuscescenti-viridibus, intus fuscescentibus, nitidiusculis. Caulis erectus, 

 fusco-tomentosus, inferne remote, superne dense et comoso-foliosus, innovando ramo- 

 sus, innovationibus usque ad 1 cm longis, inferne remote, superne laxiuscule foliosis. 

 Folia caulina inferiora minuta, comalia multo majora, erecto-patentia, carinato-con- 

 cava, e basi spathulata oblonga, breviter acuminata, mucronata, externa breviora, 

 interna c. 3.5 mm longa et usque ad 1 mm lata, marginibus inferne anguste revo- 

 lutis, summo apice minutissime serrulatis, limbata; nervö valido, rubro, in mucronem 

 brevem, strictam, integram excedente; cellulis laxis, leptodermibus, oblongo-hexago- 

 nis, basilaribus rectangularibus, coloratis, marginalibus elongatis, angustis, limbum 3 

 seriatum, rufescentem efformantibus. Bracteae perichaetii minores, lineari-lanceolatae, 

 marginibus fere ad apicem revolutis. Seta 2 — 2,5 cm älta, tenuissima, rubra. Theca 

 suberecta, c. 5 mm longa et c. 1 mm crassa, irregularis, e collo sporongii longitudi- 

 nis subcylindrica, fusca, sicca deoperculata sub ore vix contracta. Exostomii dentes 

 lanceolato-subulati, c. 0.45 mm longi, rufescentes, apice hyalini, minutissime papillosi, 

 limbati, lamellis c. 25. Endostomium sordide lutescens, minutissime papillosum; pro- 

 cessus fenestrati; cilia longe appendiculata. Spori O.oio — 0,oi5 mm, lutescenti-virides, 

 laeves. Operculum convexum, acute apiculatum. 



Patagonia austr.: Skyring, Mina Magdalena, ad terram (573). 



Br. (Trichophora) brachyehaete Card. et Broth. n. sp. 



Dioicum; gracilescens, caespitosum, caespitibus densis, mollibus, usque ad 1,5 

 cm altis, pallide viridibus, intus fuscescentibus, vix nitidiusculis. Caulis erectus, 

 tomentosus, comoso-foliosus, innovando ramosus, innovationibus vix ultra 5 mm 

 longis, comoso-foliosis. Folia caulina sicca contracta, adpressa, rarius spiraliter con- 

 torta, humida erecto-patentia, carinato-concava, e basi breviter spathulata obovata 

 vel obovato-oblonga, usque ad 2 mm longa et usque ad 0,9 mm lata, aristata, mar- 

 ginibus inferne revolutis, integris, limbata; nervö rubro, in aristam brevem integram, 

 strictam excedente; cellulis laxis, teneris, ovali- et oblongo-hexagonis, basilaribus 

 breviter rectangularibus, rubris, marginalibus elongatis, angustis, limbum biseriatum 

 efformantibus. Folia innovationum marginibus erectis, limbo minus distincto. Brac- 

 teae perichaetii multo minores, ovato-lanceolatae, marginibus erectis, nervö longius 

 excedente. Seta c. 1 cm älta, tenuis, rubra. Theca immatura nutans, c. 2 mm 



