Stort's North Bornéo Boundaiy Commission, Amdjah Xo. 1000) 

 has some of the pinnae semihastate with a spreading or detlexed 

 subulate, posterior, basai auricle to ca 71/2 cm long; (forma sub- 

 semihastata). 



^ Cyatliea >iieiie\, r\ A, v. H, 



Stipites dense decidueque squamosi, demum asperuli; squamae 

 longae, anguste lineari-subulatae, albidae, apice filiformes, ciim 

 squamis squamulisque ceteris margine graciliter ciliolato-denti- 

 culatae, dentibus vel ciliis rubro-fuscis. Frondes 3-pinnatae vel 

 sub-3-pinnatae, abrupte acurainatae; rachides supra pilis appressis, 

 griseo-fuscis tomentosae, subtus decidue squamulosae et hirsutae, 

 demum asperulae, squamulis partim minutis ferrugineis, partim 

 squamis stipitis similibus sed brevioribus, pilis firmis, longis, 

 articulatis, albidis vel fuscis. Pinnae petiolatae; pinnae centrales 

 patentes, falcatae, ca 40 cm longae, ad vel prope basin ca 15 

 cm latae, abrupte acuminatae ; pinnae infimae breviores, satis 

 horizontales, basin versus paullo angustatis. Pinnulae numerosae, 

 contiguae, subsessiles, lineares, rectae vel falcatae, basicali/4cm 

 latae, profunde pinnatifidae, acute acuminatae ; costae supra appres- 

 sopilosae, subtus pallide squamulosae et hirsutae. Segmenta rigide 

 coriacea, utrinque ad venas. hirsuta, oblonga, ca 3 mm lata, obtusa 

 vel subacuminata, margine crenata et in sicco recurvata, costulis 

 subtus pallide squamulosis et hirsutis, squamulis bullatis, venis 

 utrinque ca 7—8, simplicibus vel furcatis; segmenta infima libéra. 

 Sori pauci, ad venas inferiores mediales ; indusium scariosum, 

 demum cupuliforme vel irregulariter lobatum. 



An alpine species. 



Sumatra [Mt. Singgalang, C. G. Matthew No. 526). 



ryathea patellifera, t\ A, r. tt. 



Stipites ca 50 cm longi, gibbis brevibus, conicis, acutis 

 aculeati, basin versus squamis lineari-subulatis, subintegerrimis 

 ornati, sursum tomentosi. Frondes 3-pinnatifidae, sub-3-pinnatae, 

 abrupte acuminatae, rachide primaria muricato-aspera, dense tomen- 

 tosa, tomento pallide-fusco, supra persistent!, subtus deciduo, 

 squamulis paucis, subfiliformibus, deciduis intermixto, rachidibus 

 secundariis tomentosis. Pinnae obîanceolatae, maximae sessiles, 

 ca 35 — 40 cm longae, acuminatae, in medio vel supra ca 8 — 10 



