220 Bulletin J ard. Bot. Buitenzorg, Série 111, Vol. V, Livr. 3. 



vel subcontiguis, soris remotiusculis, minus numerosis, 1 — 4 utrinque, 

 cavis sororum vix perspicuis, margine non vel parce ferrugineo-setulosis. 

 Lingga: Mt. Tanda, epiphytical in jungle, ait. Q50 m. (H. A. B. 

 BuNNEMEljER No. 6902, 21 July IQlQ, type); Riouw Archipelago: 

 Poeloe Kariinon, Mt. Djantan, on stones in forest, ait. 250 m. 

 (H. A. B. BûNNEMEIjER No. 7880, 7 September 1919). 



Polypodium subhamato-pilosum V. A. V. R. — Davallia Ledennanni 

 Brau. in Engl. Bot. Jahrb., LVl, 123 (not P. Lederman n i Brav., l.c. 184). 



Polystichum prolificans V. A. V. R. this Bull., 11 (1920), 170. 



Sori in 1 row on eacli side, nearer the costa tlian the margin, or in 

 2 rows, with the outer row nearer the margin ; indusium small, partly 

 deciduous, partly persistent, surpassing the capsules. j 



Polystichum eriorachis V. A. V. R. | 



Stipites fasciculati, 75-85 cm. longi, fusci vei pallide fusci, basin versus 

 plus minusve castanei, primum squamosi, postremo plus minusve glabres- 

 centes; squamae 2-formes; squamae minores squamis minoribus rhachidis 

 similes, basi persistente punctiformi; squamae majores ovatae, obscure 

 fuscae, erosae, appressae, basi persistente transverse ruguliformi. Frondes 

 ovato-lanceolatae, 60—80 cm. longae, 25—30 cm. latae, copiose 2-pinnatae, 

 acuminatae; rhachis primum copiose squamosae, postremo plus minusve 

 glabrescens; squamae 3-formes ; squamae minores lanuginoso-furfuriformes, 

 |:)allide bruimeae; squamae intermediae lineari-lanceolatae vel subulatae, 

 bruinieae, decidue pallide lanuginoso-fimbriatae; squamae majores squamis 

 majoribus stipitis similes sed minores. Pinnae numerosae, superiores 

 approximatae, patentes, inferiores reiuotae, horizontales, breviter petiolatae ; 

 piiuiae inframedianae maximae, lineari-lanceolatae, infra médium 272 — 3 cm. 

 latae, pinnatae, apice sensim acuminato serratae. Pinnulae coriaceae, nume- 

 rosae, patentes, subtus parce lanuginoso-paleaceae, glabrescentes, approxi- 

 matae vel subremotae; piniuilae maximae subrhomboideo-oblongae, usque 

 2 cm. longae, 6 mm. latae, crenatae vel serrato-crenatae, apice aristato- 

 apiculatae, basi inferiore auguste cuneatae, basi superiore late cuneatae, plus 

 miimsve auriculatae, auricula obtusa, interdum mucronulata; venae sub- 

 distinctae, non raro plus minusve absconditae. Sori costam approximatae; 

 indusium parvum, peltatum, erosum, deciduum. 



Sumatra: Mt. Koerintji, in forest, ait. 2500 -2800 m. (H. A. B. 

 BiiNNEMEijER Nos. 9833, 10386, 29 April - 9 May 1920). 



Polystichum flaccidum V. A. V. R. 



Stipites fasciculati, 50-75 cm. longi, in sicco straminei vel pallide 

 brunnei, copiose squamosi, squamae minores et intermediae ils rhachidis 



