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PTEItl*. Linné. 



Pleri* (Eupteris) oriëntatie, r. A. r. #*. 



Stipites cum rachidibus rubri ve] purpurei, villosi, demum 

 glabri. Frondes rb 40 — 55 cm. longae, + 30 cm. latae. Pinme 

 coriaceo-mémi»ranacea), pellucidse, + 20 — 30 utrinque, integraB, 

 lineares, confertae vel imbrk-ata 1 , sessiles, pinnae inflmae plerumque 

 maxima 1 , 15 — 25 cm. longaB, subulatae, basi 1 — 2 cm. latae, ro- 

 tundatae, margine integraB vel serratae, apice obtusiusculae, costis 

 subtus prominentibus, venis liberis, numerosis, gracilibus, sub- 

 patentissimis, supra et subtus decidue villosis, soris longis, indusiii 

 angustis. — Planta Blechno orientali simillima. 



Banda Islands (Treub). 



Pteris raiigiferinsi. Pr.. Miq. in Ann. Mus. Bot. L. 

 B., TV, 95; Pt. DaUwusice, Rac. (not Hk.), Flor. Btz., I, 153. 



Raeiborski's description of this plant does not agree with 

 Hooker's diagnose and drawing in Spec. Fil., II, 170, tab. CXX1, 

 A. — Pt. ïangiferina, Pr. and Dalhousiae, Hk., are 2 quite diffe- 

 rent plants, the latter has the fertile fronds with the lower 

 pinna? pinnatifid on the posterior sicle into long, upcurved segments 

 and the former with the lower pinna? pinnatifid on the anterior 

 side into short, straight segments. 



Java. 



Pteris (Eupteris) Treubii. v. A, v. ff. 



Stipites + 20 cm. longi, cum rachide brunnei, glabri. Fron- 

 des 30 — 45 cm. longa?, pinnata?. Pinna terminalis linearis, 20 — 30 

 cm. longa, + 5 m.m. lata, basin versus sensim angustata, mar- 

 gine integra, apice acuminata, spinuloso-denticulata; pinnae late- 

 rales 3 — 4 ntrinque, erecto-patentes, superiores pinna? terminal! 

 simillima?, infima 1 petiolata?, furcata? vel 3-partita?, segmentis + 

 a?quilongis, subpetiolatis, papyracea?, glabra?, venis liberis, subremotis, 

 obscuris, patentibns. Sori valde longi, apicem pinnarum pinnula- 

 rumqne hand attingentes. — Frondes steriles non vidi. 



Wahay (Ceram). — The name is given to this species in honour of 

 its discoverer Prof. Dr. M. Treub, Director of the Agricultural 

 Department in Netherlands India. 



