-23- 

 11171 KKONIMIitB^: E.YmiM»l»IAI.I^:!«i. 



McSa^iiielSa £elMMis;laii«laiiiiia. r..£.r.fl. 



Jloiiustellcae, Radicanks. — (Jaules repentes, plus niinusve 

 tlexuo.-i, rachide primaria foliis lateralibus inclusis ('. — U mm. 

 lata ; pinnae ascendentes, superiores brèves, parce pinnatae. infe- 

 riores elongatae, pinnulis inferioribus fufcatis vel parce pinnatis; 

 ramuH' ultimi iisque ad + l'^/gcm. lungi, basi 3 — ô mm. lati, 

 apicem versus angustati. Folia heteromurpha; folia lateralia cau- 

 lina horizontalia, ramuloi-um patentia; lateralia caulina subremota, 

 oblique subovata, obtusiuscula, inaequilatera, semifacie superiore 

 latiore, apicem versus obsolète denticulata, ad médium integei'- 

 rima vel parce serrulata, basin rotundatam versus minute serrulata, 

 parte inferiore cellulis scleroticis certe plus minusve auguste 

 pellucido-marginata, semifacie inferiore integerrima vel apicem 

 versus obsolète denticulata, basi rotundato-cuneata, folia maxima 

 o — -tVo mm. longa et usque ad 2 mm. lata: lateralia ramulorum 

 ultimorum minora, usque ad 3 mm. longa, contigua vel approximata, 

 minus inaequilatera, semifacie superiore distinctius pellucido-mar- 

 ginata : folia intei'media erecta, late falcato-oblonga vel subobovata, 

 inaequilatera. abrupte cuspidata, utrinque (sed semifacie exteriore 

 minus copiose) minute serrulata, basi extriore valde producta, 

 auricula recta, rotundata, basi interiore rotundato-cuneata, acu- 

 mine Ji -^'s — ~, 3 longitudinis laminae metiente; intermedia caulina 

 usque ad 3 mm. longa, contigua: intermedia ramulorum minora, 

 imbricata. Spicae ad l'amulos ultimos terminales et plerumqiie 

 .solitariae, 1^/2 — mm. crassae; sporophylia erecta, demum paten- 

 tia, ovata, acuminata, minute serrulata, carinata, usque ad \"^j^ mm. 

 longa; macrosporae albidae vel tlavido-albae, reticulatae, areolis 

 magnis, costis apicalibus crista annulifoi'mi cinctis: microsporae 

 flavidae, latere inferiore gibbis capitatis vel subclavatis, longi-sti- 

 pitatis ornatae. 



Near. S. Dielsii Hieron. 



Sumatra [Bengkoelcn. Lehurig Tandai, C. -1. Brooks No. 257/8). 



Nela£;iiM'Sla a!^<*<'BH!c*si»«. r. .f. r. St.. in Mull. Btz., 

 1913, XI, 33: Mal. Fern AU., 113. 



Stems to 2^/2 mm. thick, whether or not grooved ; leaves 

 of tlie lower plane more or less approximate on the stem, con- 



