Van Alderwerelt van Rosenbuf^QH: Malayan Feras 12. 229 



acutiuscula, semifacie superiore minute serrulata, basi late rotiiiidata, semifacie 

 iiiferiore integerrima sed ad basiii auguste cordato- vel truncato-rotuiidatam 

 serrulata, lateraiia maxima 5 '/2 mrn- 'o'ig^, 2 '/a mm- 'ata ; lateralia piiiiiarum 

 sensim paullo minora; lateraiia ramulorum ultimorum approximata, pateiitia, 

 subfalcato-lineari-oblonga, usque 4 mm. longa, 1 ' 2 mm. iata, basi superiore 

 rotundato-cuneata, basi inferiore rotundata, non serrulata; folia intermedia 

 erecta ; intermedia rhachidum principalium remota, semicordato-ovato-oblonga, 

 longe cuspidata, auguste pellucido-marginata, minute serrulata, basi interiore 

 rotundata, basi exteriore producta, auriculata, auricula rotundata, leviter 

 hamato-incurvata, intermedia maxima 3 '/a mm. longa, cuspide fere ^ 3 

 longitudinis laminae metiente; intermedia pinnarum sensim minora; intermedia 

 ramulorum imbricata, basi exteriore non incurvata. Spicae ad ramulos 

 terminales, solitariae vel hic illic 2-nae, 1 ^U mm. (postremo 2 '2) mm. crassae ; 

 sporophylla ovata, acuta vel breviter acuminata, pellucido-marginata, minute 

 serrulata, carinata, postremo squarrosa; macrosporae 2, eburneae, dense sub- 

 graciliter irregulariter verruculoso-rugulosae, parte apicali depresso-convexa, 

 ecostata, cristula annuliformi circumdata; microsporae probabiliter desunt. 

 Belongs to the affinity of 5. Springiana V. A. V. R. and 5. Grabowskyi 



Warb. 



Riouw Archipelago: Poeloe Bi nta n, Mt. Bi ntan, in forest, 

 ait. 350 m. (H. A. B. BuNNEMEljER No. 6175, 13 Juiie IQlQj. 



Sclaginella speluncae V. A. V. R. 



Heterophyllum, Monostelicae, Radicantes. — Gaules repentes (caespi- 

 tosi?), laxe ramosi, rhachide primaria usque 1 mm. crassa, in sicco pallide 

 brunnea, irregulariter sulcata, foliis lateralibus inclusis 7 — 8 mm. Iata; rami 

 paullo remoti, simplices vel furcati aut inferiores medianique plus minusve 

 pinnatim ramosi, usque 5 cm. longi vel longiores et caules separatos for- 

 mantes; ramuli ultimi usque 2 cm. longi, 5-7 mm. lati. Folia ubique 

 heteromorpha, utrinque cellulis scleroticis auguste pellucido-marginata, in- 

 tegerrima vel ramulorum ultimorum lateraiia suprema semifacie superiore 

 persparse et minutissime serrulata; folia lateraiia horizontalia vel subhori- 

 zontalia, rhachidis primariae approximata vel paullo remota, ramulorum ul- 

 timorum approximata vel subcontigua; lateraiia rhachidis primariae maxima, 

 late oblonga, usque 4 mm. longa, 2 'V, mm. Iata, apice obtusa, abrupte 

 breviter mucronulato-apiculata, basi superiore rotundato-cuneata, basi infe- 

 riore late rotundata vel rotundato-truncata; lateraiia ramulorum subsimilia, 

 usque 3 '/a mm. longa, P4 mm. Iata; folia intermedia erecta vel suberecta, 

 rhachidis primariae remota vel contigua, ram.ulorum ultimorum contigua vel 

 imbricata; intermedia rhachidis primariae maxima, subfalcato-oblonga. usque 

 .2'/2 mm. longa, apice acute acuminata, semifacie interiore subrecta, basi 

 angustata, semifacie exteriore rotundata, basi valde producta et cordato- 

 auriculata, auricula non vel leviter hamato-incurvata; intermedia ramulorum 

 subsimilia sed minora, basi exteriore minus producta, rotundata. Spicae 



\ 



