- 32 - 



lata, inferiora quaiii superiora magis patentia: macrosporae al- 

 bidae, macrosporis S. Grabowskyi Wai^b. similes; microsporae 

 probabiliter déficientes. 



Bornéo [Sungei Magne, Nieuwenhuis No. 642: Sungel Dengei, 

 Nieuwenhuis No. 786; Sungei Parai, Nieuwenhuis No. 571). 



X §elaig'i»eB2ci H farina niî. i*. .1, t\ fl. 



Heterophy/lum, Monostelicac, a'* Asœndentes. — Gaules erecti 

 vel ascendentes, ca 25 — 30 cm vel plus longi, pinnati, obtuse 

 angulosi, subtus convexi, supra in sicco 2-sulcati, griseo-fusci ; 

 pinnae inferiores 2-pinnatae; ramuli ultimi foliis lateralibus inclusis 

 3 — 5 — 7 mm lati. Folia ubique heteromorpha ; folia lateralia caulina 

 paullo remota, patentia (inferioi'a ascendentia), subaequilatera, linea- 

 ri-oblonga, subrecta, o!)tusiuscula, margine superiore (apicem versus 

 minutissime) denticulata, basi superiore producta, auriculato-cordata, 

 ciliolata, margine inferiore integerrima vel apicem \ersus obsolète 

 denticulata, basi inferiore rotundato-cuneata, parce ciliolataciliatave, 

 folia maxima ca 6 mm longa, 2 mm lata; folia lateralia rachidum 

 secundariarum similia sed paullo minora, contigua; folia lateralia ra- 

 mulorum ultimorum contigua, ascendentia, similia sed obtusa. basi 

 superiore magis rotundato-cuneata, subtus venulis spuriis subdis- 

 tincte ornata, semifacie superiore basin versus subdistincte pellucido- 

 marginata, folia maxima 2— 3 — 4 mm longa; folia intermedia caulina 

 late oblonga, obliqua, paullo remota, erecta, cuspidato acuminata, 

 denticulata, basin versus ciliolata, basi oblique cordata, auriculaexte- 

 riore producta, rotundata, cuspide ^/s— V2 longitudinis laminae 

 metiente, folia maxima ca 4 mm longa; folia intermedia ramulorum 

 ultimorum raulto minora, similia, imbricata, satis pellucido-UKii-gi- 

 nata, minus copiose denticulata ciliolataque, basi inferiore angustius 

 rotundato-truncata, cuspide relative longiore. Spicae quadrangulares, 

 5—5 mm longae, ca II/2— 2 mm crassae; sporophylla triangulari- 

 ovata, breviter aristato-acuminata. denticulata, carinata; macro- 

 sporae tlavidae vel albidae, rugulosae ad reticulatae, costis apicalibus 

 coronula cinctis; microsporae tlavidae vel albidae, latere basali 

 gibbis verruciformibus, conicis. capitatis vel stipitato-capitatis 

 sparse ornatae. 



Near S. similis Kuhn. — The description is taken from a spécimen 

 cultivated in the Buitenzorg Gardens. — The species bears the name 

 of Mr. H. .J. Wigman Sr., retired Hortulanus of the said gardens. 



New Guinea. 



