- 25 - 



mm lata, obtusa vel obtusiuscula, semifacie superiore denticulata 

 vel apicem versus subintegerrima, basin versus ciliolata, basi 

 conspicue cordato-producta, semifacie- inferiore integerrima vei 

 basi denticLilato-ciliolata, apicem versus subintegerrima, basi 

 auguste subcordata; folia lateralia ramulorum ultimorum contigua 

 vel approximata. erecto-patentia, elliptico-oblonga, subaequilatera, 

 maxima ca 2 niui longa, quam I/2 mm vix latiora, acuta vel 

 submucronulata, plus minus pellucido-marginata, basi rotundata 

 vel rotundato-cuneata, semifacie superiore apicem versus subin- 

 tegerrima, basin versus ciliolata, semifacie inferiore integerrima 

 sed ad basin ciliis brevibus vei dentiformibus — 4 ornata ; folia 

 intermedia erecta ; folia intermedia caulina contigua, oblonga, 

 ca 3 mm longa, subabrupte cuspidata, plus minusve minute 

 denticulata, basi oblique auriculato-cordata, basi exteriore conspi- 

 cue producta, bamato-incurvata, cuspide ^/a — % longitudinis 

 laminae metiente : folia intermedia ramulorum ultimorum similia 

 sed minora, imbricata, acuminato cuspidata, semifacie exteriore 

 + pellucido-marginata, basi exteriore minus producta, fordata, 

 interiore cuneata. Spicae saepe solitariae, usque ad ca 1 cm 

 longae, ca 2 mm crassae, subquadrangulares ; sporophylla erecto- 

 patentia, imbricata, ovata, acuta vel subacuminata, minute denti- 

 culata, + pellucido-maiginata, carinata, ventralia quam dorsalia 

 pauUo majora, ca II/2 mm longa; macrosporae albidae, gibbis 

 rugiformibus (brevibus ve! elongatis, rectis vel flexuosis, ramulosis 

 vel connatis) urnatae, costis apicalibus coronula vix prominenti 

 cinctis: microsporae albidae vel flavidae. latere basali gibbis 

 bacilliformil)us vel stipitato-capitati^ munitae. 



Xear S. plnmea Spring and tricbobasis Bk. 



Bornéo {AioaiambU, Hallier No. 8217). 



Heterophyllurn, Monostelicae, âP Radicantes. ~Cau]es dccumhen- 

 tes, ca 20 cm i)lus minusve longi, pinnatim ramosi, vel furcati 

 et pinnatim romosi: racbis primaria foliis lateralibus inclusis ca 

 5-6 mm lata; ramuli ultimi ca 21/2—3 mm lati. Folia ubique 

 heteromorpba; folia lateralia caulina satis i-emota, patentia vel 

 horizontalia vel leviter detlexa, inaequilatera, lanceolato-oblonga, 

 ca 21/2-3 mm longa et 1 mm lata. obtusiuscula, semifacie su- 

 periore apicem versus integerrima vel subintegerrima. basin ver- 



