'nil/sauanl/iliN. FliA^/. STKPIIAM. SPECIKS IIKPATICARrM (VOL. IV, lUI^). 



12. Thysananthus planus Sande-Lac, Syn. Hep. Jav., p. 53. 

 Dioica nietliocris rigidula, (lavo-virens, in cortice dense stralilicata. 



(Jaulis ad 5 cm. longus, paruin iongcque raniosus. Folia caulinu con- 

 ferta, recte patula, paruin concava, in plano ovato-oblonga (1,33 nim. 

 longa, 0,65 min. lata), asymmetrica, apice acuta vel subapioiilata, ad 

 mcdiuni accreta, basi antica rotundato-appendiculata. Cellula' superse 

 18X^8 ^ validissima?, in vitta 18X-i5p., quadriseriatre, parictibus 

 interrupte trabeculatis. Lobulus in situ oblongus, folio quadruplo bre- 

 vior, apice angustus, emarginatus, angulo obtuso vel acuto. Amphigas- 

 iria caulina niajuscula, caule quadruplo latiora, transverse niserta, 

 subrotunda. Perianthia foliis caulinis subsequilonga clavata, plicis irre- 

 gulariterdenticulatis, rostrobrevivalido. Folia floralia intima perianthio 

 aequilonga, lanceolata, acuta, superne sparsim denticulata ; lobulo triplo 

 breviore, ovato, ad medium soluto, apice emarginato-bilobato, lobis 

 acutis. Amphigasirium (forale intimum foliis floraiibus parum brevius, 

 superne minute irregulariterque dentatum, ad ^/sbifidum, sinu obtuso, 

 lobis lanceolatis, validius dentatis. Andrcecia in caule ramisque mediana, 

 longissima, bracteis ad 20 jugis, saepe repetitis. 

 Hab. Asia et Oceania, valde communis. 



13. Thysananthus reversus St. 



Syn. : Thysanolejeunea reversa St., Hedwigia, 1896, p. 139. 



Dioica, i'obusta, rufo-brunnea, spongiose csespitans. Cdulis ad 8 cm. 

 longus, remote longeque multiramosus, saepe subfasciculatus. Folia 

 caulina valde conferta, oblique patula leviterque falcata, maxime con- 

 cava, margine postico iate incurvo, in pjano late ovata, asymmetrica, 

 apice late triangulata acuta, brevi basi inserta, basi antica grosse rotun- 

 dato-appendiculata. Cellulse supera? 18X27 [x, basales ^TX^^S [j. trigonis 

 magnis acutis. Lobulus in situ occultus, in plano linearis, folio quadruplo 

 brevior, apice oblique truncatus, angulo obtuso. Amphigastria caulina 

 magna, obovato-oblonga, caule quintuplo latiora, marginibus arcte 

 inflexis, canaliculata, transverse inserta, apice leviter emarginata, 

 angulis obtusis. Perianthia pyriformia, plicis alatis valde irregulariter 

 dentatis et spinosis, sublaceratis, rostro parvo. Folia fioralia intima 

 perianthio aequilonga, subrotunda, apice late acuminata acuta, lobulo 

 subduplo breviore ovato, profunde soluto, apice bilobato, marginibus 

 nbique irregulariter breviterque dentatis. Amphigastrium florale intimum 

 perianthio lequilongum, lanceolatum, usque ad basin regulariter dense- 

 que denticulatum, apice emarginato-bifidum, lobis triangulatis acumi- 



789 



