334 T. HAGEN. 



Cœspes laxiusculus, parum cohærens, 3 cm. altus, convexius- 

 culus, superne luteo-viridis, intus nigricans. 



Surculus sub apice florifero innovationes singulas vel binas 

 emittens, raiïus simplex, tomento atro-fusco dense humiliterque 

 papilloso parce munitus. 



Gauïis vetustior nigricans, junior ruber, 0*24 mm. crassus, 

 pentagonus, e fasciculo centrali satis parvo et reti laxo tenui 

 undulato, in stratis duobus periphericis e cellulis paullo crassio- 

 ribus, externis turgidis exstructus. 



Folia caulina inferne remotissima, collapsa ideoque direc- 

 tionis variée, ad apices innovationum densa, juniora erecto-pa- 

 tentia — erecta, circum florem vel setam in gemmam clausam 

 conniventia, siccitate subflexuosa vel margine undulata, interdum 

 contorta, basi satis longe sed anguste decurrentia, planiuscula; 

 caulina intima oblonga, 1*7 mm. longa, 056 mm. lata, costa ex- 

 currente breviter cuspidata; comalia media ovali-lanceolata, 21 

 mm. longa et 0*8 mm. lata, margine infra medium reflexa, 

 denticulis paullum conspicuis remotis obtusis instructa, apice 

 distincte denticulata, costa in apice dissoluta; comalia suprema 

 oblongo-lanceolata, 2*5 mm. longa et ca. 0*8 mm. lata, sæpe 

 usque apicem versus anguste reflexa, summo apice denticulata, 

 costa in cuspidem mediocrem acutam sæpe recurvulam excur- 

 rente. Rete tenue, demum collapsum; cellulæ basilares vix 

 rubentes, rectangulæ, 0073 mm. Inngæ, 0.023 mm. latæ, hine 

 inde porosæ, ceteræ rhomboideæ — rhombeo-hexagonæ, 0*066 — 

 007 mm. longæ, 0"02 mm. latæ, non porosæ, marginem versus 

 sensim angustiores, longiores, paullo crassiores, ut limbum uni- 

 vel biseriatum haud distinctum efficiant. Costa 0.08 mm. lata, 

 in foliis vetustioribus e basi rubra luteo-fnscescens, plano-con- 

 vexa, e cellulis ventralibus 2 magnis, ducibus 4 multo minori- 

 bus, fasciculo stereidearum comités pæne circumcingente, cellulis 

 dorsalibus ca. 6 majoribus minoribusve composita. 



Inflorescentia synoica; folia perichœtialia intima minuta, 

 margine plana, costa excurrente cuspidata; pistdllidia 2—4, 



