- 24 - 



tiguous or subcontiguous on the ulLinv.ite branchlets. rotundate 

 to rotundate cuneate on tlie upper side at the base: of the 

 branchlets to 6 imn. long : leaves of the upper plane more or 

 less distinct!}- liamate auriculate: of the stom entire on the outer 

 side or obsoletely denticulate to serrulate towards the apex, wilh 

 the basai auricle provided with + — 2 minute teeth : of the 

 branchlets less copiously serrulate on the inner side; spikes not 

 invariably terminal on the branchlets, not rarel>' also in the 

 higher forks or on reduced axillary branchlets. 



Also in Sumatra [Bengkoeleii, Lcbong Tandai, C. .T. Brooks 

 Xo. 224/8). 



N('liii;'iiirlla iiH'crfii. r. .f. r. Si. 



Mvitotilclicat', Interlexlae. -- L'aulps 15 — 20 cm. longi, sat 

 copiose pinnatim ramosi, teretes, straminei, usque ad -j^ mm. 

 crassi, foliis lateralibus inclusis usque ad 4 mm. lati: pinnae 

 erecto-patentes, non rai'o rachide primaria subparallelae: pinnae 

 superiores brèves, simplices, inferiores us(iue ad 15 cm. longae. 

 pinnatim decompositae : l'amnli ultimi brèves, 11/2—2 mm. lati. 

 Folia beteromorpha; folia lareralia ubiqué remota; lateralia caulina 

 horizontalia vel subhorizontalia, late ovata. inaequilatera, obtusius- 

 cula, sujiia marginem inferiorem versus gibbis miniitissimis donti- 

 formibus munita, semifacie superiore apicem versus integerrima. 

 basin late rotundatam versus sensim ciliolata ad ciliata. semifacie 

 inferiore integerrima, ad basin auguste rotundatam dentibus 

 minutis — 8 munita, folia maxima + 2V2 — 2'''/4 mm. longa, 

 ns<jue ad 2 mm. lata; lateralia ramulorum ultimorum minora, 

 usque ad V ., nun. longa, basi rotundato-cuneata subaeiiuilatera, 

 margine superiore in '^U — - :; parte distinctius ciliata: folia inter- 

 media erecta; internicdia caulina elongato-ovata, us(iue ad l^/^ 

 mm. longa, acuminata, plus minusve carinata, basi rotundata, 

 semifacie interiore plus minusve decidue serrulatociliolata, semi- 

 facie exteriore certc in parte superiore minute serrulata: inter- 

 media ramulonmi similia, minora. Spicae in planta adulta 

 numerosae, terminales, solitariae vel 2 nae, 2 — 21/2 nim. latae; 

 sporopbylla lateralia imbricata. subpatentissima, lanceolato-oblonga, 

 usque ad V^jo mm. longa, carinata, margine superiore aj^icem 

 versus minute serrulata, basin versus serrulato-ciliolata, carina 



