Diagnosen iler neiioii Arien von Laiibnionscn. 1 O'T 



y^ — %"' longa, acuta, margiiie piano integeriima, enervia vcl costae loco 

 plicis binis, brevissiniis instructa. luflorescentiae niasculae g'eniraiformes, 

 in axilHs folioruni caulinorum irregulariter sparsae; perigonium e foliis 

 10 — 15 compositum, folia exteriora elliptica, breviter acuminata, interiora 

 lanceolata, acuta, raarginibus partim iuvolutis; omuia concava, integer- 

 rima, enervia laxe reticulata. Perichaetia fructusque iguoti. 



Tahiti. In Urwäldern um Fataua auf Bäumen; leg. Jelinek. 



Hyjtnmn (Mniodetulron) brevisetnin Reh dt. Dioicum, pro- 

 cerum, subcaespitosum; surculus e basi repeute erectus, l'/j — V* altus, 

 sursum incrassatus, dense ferrugineo-tomeutosus, apice comose subverti- 

 cillatim prolificans; rami graciles, pluries divisi, 6 — 12'" lougi, patuli vel 

 subreflexi. Folia caulina erecto-patentia, rigida, e basi vix dilatata trian- 

 gulari-lanceolata, longe acuminata, basi integerrima, apicem versus re- 

 mote serrulata; nervus validus, excurrens, dorso laevis ; rete e cellulis 

 angustissimis circa V40'" loiigis contextum; cellulae alares subglobosae, vix 

 incrassatae. Plantae masculae non observatae. Perichaetia numerosissima, 

 (10 — 20) in axillis infimis comae caulinae congesta, magna, pallida, basi 

 radiculosa; foliorum perichaetialium exteriora triangularia, breviter api- 

 culata, interiora triangulari-lanceolata, longe aristata, orania integerrima, 

 uninervia, nervo valido, cxcurreute; reticulatio illi foliorum caulinorum 

 similis, sed tenerior. Seta brevis, 10 — 12'" longa, purpurascens, laevis; 

 Capsula arcuato-pendula, fusca, pachyderma, profunde sulcata, subcylin- 

 dracea, 2'" longa, brevicollis. Operculuni turgide couicum, rostrum obliquum, 

 \"' longum. Peristomium generis; sporae ferrugineae, laeves, globosae, 

 Viso'" magnae. 



Neu-Seeland. In Wäldern am Waikato und um Nelson; leg. v. 

 Hochstetter. 



Hypopteryyiutn debile R c h d t. (Uuhvpopterygium.) Dioicum; 

 surculi pars inferior repens i — 2" longa, atro tomentosa; pars superior 

 erecta, flaccida, debilis, 4 — 7'" longa, sub apice fasciculato-dichotoma, 

 ramulis simpliciter pinnatis. Foliorum caulinorum lateralia patula, plana e 

 basi semiamplexicauli assymmetrice ovato acuminata , y^'" longa , Vi'" 



