Van ALî)r:RWERl.l.T van RosFNIuiUdll: Malnyan f'enis 12. 237 



s|)ecie 2-iiae), ad ramiilos teniiiiialcs, iisqiie ± 7 mm. loiigae, 2'/2— 3 mm. 

 lalae; sporophylla lateralia coiiferta, vix imbiicata, pateiitia, obloii^'a, Icvik-r 

 reciirvata, apicem obtiisiiisciiliim versus obsolète vel miiuitissime sermlata, 

 carinata, semifacie su|XMiore ciim caiiiia basiii versus minute senulala; 

 sporophylla iutermedia suberecta, triau^nilari-ovata, apicem acumiiialum 

 versus minute serrulata, basin versus seiisim ciliolata; macrosporae |)er- 

 pallide flavidae, subalbae, laeves, in juventute pulvérulentes; inicrosporae 

 aurantiacae, copiose, minutissime verruculosae. 



Java: B e s o e k i, Mt. 1< e n d e n <2;, forest-paili, ait. 1 1 00 m. (C. A. 

 Backf.K No. 30731, 18 April 1920). 



Sclaginella varians V. A. V. R. 



Hcicropliylliim, Monostelicac, Siihcrosac. — Gaules e liasi breviter 

 decumbente erecti, 15—35 cm. alti, pinnatim ramosi, plus minusve cr;issi, 

 spongiosi, in sicco pallide brunnei, irregulariter sulcati vel angulosi, foliis 

 lateralibus inclusis usque ± 4 mm. lati; pinnae pinnatae, pinnulis superio- 

 ribus simplicibus, ceteris furcatis vel parce pinnatis ; ramuli ultimi brevissimi, 

 spicis exclusis 1—2 mm. longi, 4: 1 mm. lati. Folia crassa, heteromorpha ; 

 folia lateralia valde ascendentia; lateralia caulina remota, breviter et late 

 oblonga, in sicco apicem versus involuta, usque 2 mm. longa, 1 mm. iata, 

 valde inaequilatera, obtusa vel obtusiuscula, semifacie superiore minute 

 serrulata, basi late rotundata, semifacie inferiore integerrima vel obsolète 

 serrulata, basi angustata; lateralia ramulorum similia sed multo minora, 

 imbricata; folia iutermedia erecta; intermedia caulina remota, ad apices 

 callorum longitudinalium, latorum, planorum posita, ovata, + 1 ' /, mm. longa, 

 acuminata, minute serrulata, basi aequilatera; intermedia ramulorum similia 

 sed multo minora, imbricata. Spicae ad apices ramulorum solitariae, ' 2— 1 c"ii. 

 longae, 1 '/4 mm. latae; sporophylla lateralia patentia, breviter late oblique 

 oblonga, quam intermedia vix longiora, obtusiuscula vel acutiuscula, 

 minute serrulata; sporophylla intermedia suberecta, ovata, acuminata, minute 

 serrulata, carinata; macrosporae pallide flavidae, decidue verruculosae, 

 postremo laeves; microsporae pallide aurantiacae vel aurantiaco-flavidae, 



dense verrucosae. 



Form typica. — Sumatra: Deli, Sibolangit, sunny hill side, ait. 



400 m. (J. A. LÔRZING No. 6312a, 30 January 1919). 



Forma sciaphila: Gaules 6-8 cm. lati; ramuli ultimi 2 mm. lati. 

 Folia tenuia; folia lateralia caulina approximata ad remota, subhorizontalia, 

 plana, usque 4 mm. longa, 1 '/a mm. Iata, minus inaequilatera, basi superiore 

 minus late rotundata; folia intermedia caulina ad apices callorum angustiorum, 

 minus planorum. Spicae 1—2 cm. longae, 2 nun. latae, sporophyllis latera- 

 libus quam intermediis multo longioribus. 



Sumatra: Deli, Sibolangit, 0:1 slightiy sliaded tuff-vvalls or 011 

 large stones in primeval forest, ait. 400 m. (J. A. LôRziNG Nos. 6312^-f, 

 30 January 1919). 



