— 184 - 



undato-cuneata et leviter plicata, semifacie inferiore integerrima, basi 

 truncato-cordata, folia maxima 2-4 mm. longa, 1 -2 mm. lata; lateralia 

 ramulorum iiltimorum similia sed minora, iisque ad 1 -3 mm. longa et 

 usque ad 1 iiiiii. lata, saepe magis compacta; folia iiuermedia erecta; 

 intermedia caulina remota, lanceolato-obluiiga vel triangulari-lanceolata, 

 acuta, integerrima, basi cordata, auricu'.is obtuse rotundatis, bamato-in- 

 curvatis, auricula exteriore plerumqiie producta, superiora in folia inter^ 

 média rachidum primariarum secundariarumque sensim transientia; inter- 

 media rachidum secundariarum minus remota, inferiora vel centralia 

 elongato-oblonga, subacuminata, integerrima, pellucido-marginata, basi 

 interiore rotundata vel rotundato-cuneata, basi exteriore valde producta, 

 auricula latere interiore adnata et parte extrema rotundata vel subcordata, 

 folia maxima ± 2 mm. longa, superiora in folia intermedia ramulorum 

 sensim transientia; intermedia ramulorum minora, compacta, basi valde 

 oblique lateque adnata utrinque auguste cuneata vel basi exteriore leviter 

 rotundata. Spicae in plantis adultis numerosae, usque ad 3 cm. longae, 

 1 (demum usque ad 2) mm. crassae; sporophylla deltoideo-ovata, erecta, 

 demum patentia, macrosporangiarum quam microsporangiarum proportione 

 plus minusve breviora latioraque, acuta vel acuminata, pellucido-marginata, 

 minutissime eroso-serrulata; macrosporae sordide nigro-fuscae vel brun- 

 neae, verrucossae vel subrugulosae; microsporae albidae vel pallide flavido- 

 brunneae, cristis aliformibus, reticulatis munitae. 



Ullimate branchlets of the copiously spiciferous adult plants con- 

 spicuously reduced.— Belongs to the group of S. furcillifolia Hieron.— Dry 

 ground in open foresti ; ait 350—400 m. 



Sumatra {Dell, Sibolangit J. A. Lôrzing Nos. 4798, 5057, 539 1^ 23 

 February— 2 April 1917). 



j/ S e 1 a g i n e 1 1 a r u b i c u n d 1 p e s, v. A. v. R. 



Heterophyllum, Pleiostelîcae. — Gaules e basi decumbeiite erecti vel 

 ascendentes, parte inferiore simplices, stipitiformes vel pinnis reductis, 

 paucis muniti, rotundato-angulosi, 3-stelici, 2— 2'/2 "ini. crassi, in sicco 

 apicem versus straminei, basin versus rubicundi, parte superiore flexuosi, 

 pinnatim ramosi, foliis axillaribus inferioribus proportione magnis, ovatis, 

 acutis, supra basin rotundatam iatisssimis; pinnae subconfertae, paucae, 

 ascendentes, lanceolatae, usque ad + 12 cm. longae et 3 cm. latae; pin- 

 nulae remotiusculae, ascendentes, simplices vel inferiores plerumque fur- 

 catae vel pauci-pinnatae; ramuli ultimi ascendentes, usque ad 2 — 3 cm. 

 longi, foliis lateralibus inclusis 2—3 mm. lati, terminales interdum caudato- 

 elongati. Folia heteromorpha; folia lateralia caulina remota, erecta, ramorum 

 ramulorumque contigua, patentia; lateralia caulina late cordato-ovata, acuta, 

 inaequilatera, auriculis hainato-incurvatis, superiora sensim in folia superiora 

 rachidis primariae et f.)lia rachidum secundariarum transientia; lateralia 

 rachidum secundariarum falcato-oblonga, obtusiuscula (brevissime, obtuse 

 acuminata, submucronata), semifacie superiore conspicue late pellucido- 

 marginata, parte centrali minute eroso-serrulata, apicem et basin ± rotund- 



