Levermosernes nrlbredelse i Norge. 411 



186. M. filiformis Lindb. 



Jungennania hyuàctcea Gottsch. 



Cephalozia divarkata var. laiifolia Lindb. in Not. ur sällslv. pr f. fl. 

 fenn. förh. 13, p. 312 (1874). 



Nardia filiformis Liudb. Miisc. scand. p. 9 (1879). 



Marsupella filiformis Lindb. in Medd. soc. f. fl. fenn. 13, p. 238 (1886). 



Dioica, liabitu, colore et magnitndine Hygrobiellæ myriocarpæ 

 vel formis majoribus Gephaloiiiæ divaricatk persimilis, 0,5 — 1,5 

 cm. alta, tennis et filiformis, viridis — fusco-vel brunneo-viri- 

 dis, interdmn atro-fnsca, cæspites depresses, intricatos ad rupes 

 liumidas formans, plantæ mascnlæ et femineæ sæpe in mio 

 eodemque cæspite commixtæ. Caulis filiformis. flavo-viridis, 

 fiexnosus, siccus sat fragilis, radicellis minus crebris, tennissi- 

 mis byalinisque, hie illic ramos longos, tennes, remotifolios, et 

 flagellas descendentes ex angulo postico axillæ foliorum, sæpe 

 etiam innovationes 1 — 3 subflorales proferens; caules plantæ 

 masculæ vulgo interrupte foliosi ob androecia seriata. Folia 

 inferiora caulis et ramorum sterilium valde remota, transversa, 

 erecta — erecto-patentia, concaviuscula, ovata — ovato-quadrata, 

 ad V* — '/2 incisa, incisura angusta, acutissima, lobis acutis, 

 triangularibus — lanceolatis, rectis vel leniter incurvulis; folia 

 plantæ fertilis densiora majoraque. Cellulæ minutæ, rotundato- 

 hexagonæ — quadratæ, basilares ceteris paullo majores, omnes 

 modice et conformiter incrassatæ, parum diloropbylliferæ, cor- 

 pora æthereo-oleosa minuta includentes, in foliis vetustioribus 

 vacuæ, cuticula lævis. 



Perichætium in caule sæpe innovando terminale, clavatum; 

 hracteæ vulgo 2-, (raro 3)-jugæ, intimæ exterioribus ad duplo, 

 foliis 4 — 5-plo majores, late ovatæ, ad V* — Vs acute incisæ, 

 lobis pro more acutis, rarius obtusiusculis, fere rectis, in statu 

 juvenile solum ad basin spatium breve connatæ; inter evolu- 

 tionem fructus tamen partes periphericæ verticis caulis exten- 

 duntur et bracteas intimas extoUunt, ut fructu maturo ad 

 dimidium vel ultra in urceolam connatæ videantur. Perianihwyn 

 ■ bracteis brevior et solum ad ^2 — ^/3 altitudinis earum pertinens, 

 ad dimidium vel ultra cum bracteis concretum, parte libera 

 ovatum — conicum, tenerum, pellucidum, ore angusto a cellulis 

 prominulis crenulato, demum irregulariter lobato, sæpe purpu- 

 rascens, unistratum, cellulæ elongatæ, rectangulares, tenues, 

 Archegonia ad 8, 



