Plantæ speciosæ, frondiformi-pinnatæ, cæspites extensos rigidos laxos saturate virides formantes.

Caulis secundarius e primario rhizomatoideo 2–5 uncias longus, firmus, elasticus, inferne simplex, superne pinnato-rarius bipinnato-ramulosus, frondiformis, siccitate circinatim retro-curvus, itaque capsulas omnlno occultans, paraphylliis multi-formibus.

Folia ramulina quinquefariam imbricata, erecto-patentia, lanceolata, obtusiuscule acuminata, carinato-concava, dorso dimidii superioris brevi-papillosa, papillis sursum directis, marginibus inferne recurvis, superne serrulatis infraque apicem leviter inflexis; costa sub apice evanescente; retis pellucidi areolis minutis, superioribus ovali-rhombeis, mediis longioribus, angularibus quadratis numerosis densioribus: folia perichaetii elongati turgidi imbricantia; interiora oblonga seu obovato-oblonga, recurvo-apiculata; exteriora minora, late obovata, tenui-acuminata; omnia costse loco stria tenui flavescente quandoque excentrica ultra medium instructa.

Flores dioici: feminei brevi-paraphysati, approximati in soli caulis dorso: masculi numerosi, conspicui, caulem ramulosque occupantes; antheridiis 15–20 copiose paraphy satis.

Capsula ovato-oblonga, In pedicello perbrevi fere toto perichaetialibus involuto erecta, leptoderma, primo olivacea erytlirostoma, demum rutilans nitida, sicca prominenter costata; vaginula elongata membranula tubiformi adaucta; peristoma albescentis granulosi dentibus lanceolato-subulatis nodoso-articulatis, ciliis firmis carinatis dentes æquantibus, inter articulationes prominulas plerumque pertusis, membrana basilari plicata angustissima; ciliolis nullis; annulo composito revolu-