Plagiochasma. franz stephani. species hepaticarum. 781 



7 mmi longo, tenui, apice breviler barbato; capitula verlice concava, 

 laevia, involucra 2. Simrse 68 [j.. Elateres 290 ^, bi-vel trispiri, spiris 

 anguste tortis. Anclrcecia in ramulis propriis ex apice vel e latere costae 

 ortis. 

 Hab. Nepal (Wallich), Himalaya (Hooker, Duthie). 



9. P. microcephaium St. in Engler. Bot. Jahrb, 189o, p. 301. 

 Monoica, parva, tenuis, viridis, marginc et postice purpurascens. Frons 



2-3 cm. longa, furcata, subplana, marginibus attenuatis plicatulis; costa 

 angusta parum prominente; stomata parva, poro amplo, cellulis 8 obco- 

 nicis et parvis circumdato. Squamae ventrales haud imbricatae, rosese vel 

 purpurese, late semilunatee, appendiculo magno ovato, breviter acuminato. 

 Carpocephala numerosa, pedunculo filiformi, nigro, usque ad 15 mm. 

 longo, apice longe barbato. Capitula minuta, vix 1 mm. lata, vertice 

 truncata vel leniter emarginata, lobi pro more 2 oppositi, apice haud 

 mamillati. Anclroecia minuta, pedunculo approximata, ostiohs paucis, 

 purpureis mamillatis. Sporde 50 [x, Elateres 220 [j., bispiri. 

 Hab. Africa orient. Usambara, 



10. P. eximium (Schffn.) St. Engl. Bot, Jahrb. 1895. XX. p, 300, 

 Aitonia eximia Schiff. I. c. 



Dioica, longe lateque Ccespitans, major, fusco-olivacea, margine postice- 

 que purpurea. Frons 3-4 cm.Ionga, 6-7 mm.Iata, tenuis, ex apice repetito 

 innovata, rare dichotome ramosa. Costa angusta, parum producta margi- 

 nibus tenuibus adscendentibus, crispato plicatuhs. Sqiiamx ventrales 

 magnse, purpurese, oblique semilunalse vel subovatse, longe appendiculatse, 

 appendicuhs ad 2 vel 3, ligulatis vel abrupte lanceolatis, acutis, quintuplo 

 longioribus quam latis, seepe crispatis, marginem superantibus. Stomata 

 convexa, magna, cellulis obconicis 6-7, et 4 vel 5 seriatis circumdata, 

 Pedunculus 1 cm. longus, alte piuricarinatus, apice parum breviterque 

 barbatus. Capitula parva, vertice profunde lateque excisa;, 2-4 lobata, 

 lobis erecto-subcornutis. Sporae 68 [i late reticulatim alatse, rufescentes. 

 Elateres 250 [j., bispiri, spiris laxe tortis flavescentes. Androecia ignola. 



Hab. Kamerun, Buea (Preuss) in caverna humida, 2500 m. 



V 11. P. Beccarianum St. n. sp. 



Monoica, mediocris, pallide virens, sublus atropurpurea. Frons usque 

 ad 2 cm. longa, 4 mm. lata, ex apice innovata, raro furcata, antice plana, 

 postice plano-convexa, ahs attenuatis. Stomata magna, poro amplo, cel- 



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