- 17 - 



blade, the outer base distinctly cordate : spikes 5 - 30 mm. long, 

 with the sporophylla generally denticulate and not rarely pale- 



margined. 



Banca (Teysmann Nos. 54, 70, 3360, 16660), Billiton {Yeen- 

 huizen), Bornéo (Burbidge : North Bornéo ; Teysmann : Srngkaivang 

 No. 65; Hallier: Siika Lanting No. 118, dunmig Damus No. 605, 

 Gunung Kenepai Nos. 1725 .S: 1764, Armi-amUt Nos. 3139 & 3140; 

 Nieuwenhuis: Bukit Batu-miU No. 3()8, Sungai Blu-u No. 480, 

 Sungai Parai No. 571), Java (Jimghuhn No. 298),? Sumbaiva 

 (Golfs No. XIII). 



fSielaaiiiella mib^erpeiiliiia. r. .1. ^^ il. 



HeteropJmjllum, Monostelicae, a^ Ascemlentes. — Cs.i\\es e basi 

 breviter repente ascendentes, 15 — 35 cm. longi, 1-stelici, basi 

 simplices vel furcati vel repetite furcati, parte superiore ramosi, 

 ramificatione dichotomo-pinnato; pinnae primariae erecto-patentes 

 vel erectae, remotae, cura caule manifeste regulariter foliosae, rectae 

 vel plerumque plus minusve curvatae vel serpentinae, simplices 

 vel plus minusve (haud copiose) ramulosae; ramuli ultimi ca 2 — 10 

 cm. longi, foliis lateralibus inclusis ca 5 -8 mm. lati. Folia undique 

 dimorpha; folia lateralia undique conferta, paullo imbricata, subas- 

 cendentia vel patentia, subfalcato-oblonga, ca 3-4 mm. longa, 

 usque ad 2 mm. lata, obtusiuscula, basi superiore rotundata vel 

 rotundato-cuneata, inferiore plus minus abrupte truncato-rotundata 

 vel late cuneata, margine superiore apicem' versus obsolète denti- 

 culata, ceterum distincte sed minute piloso-denticulata, inferiore 

 integerrima, apicem versus obsolète denticulata, basi parce ciliato- 

 denticulata, subtus haud spurioso-venulosa, nervo mediano apicem 

 versus angustato; folia intermedia erecta, appressa, imbricata, 

 oblique obovata, maxima ca 2 mm. longa, apicem versus plus 

 minusve incurvato-falcata, apice distincte aristata, margine piloso- 

 denticulata, basi inferiore truncato- vel rotundato-cuneata, exteriore 

 producta. cordata vel subcordata. Spicae solitariae vel 2 - 3-nae, 

 quadrangulares vel subquadrangulares, 5 — 50 mm. longae, ca 

 1^1^ mm. crassae; sporophylla isomorpha, ovato-triangularia, acuta, 

 piloso-denticulata; macrosporae macrosporis S. Grabowskyi Warb. 

 similes; microsporae probabiliter déficientes. 



Probably near S. sambasensis Hieroyi. 



? Sumbawa (Golfs No. IX). 



