- 12 - 

 PTERIS. Linné. 



Pterfe (Eupteris) oriental!*, r. A. r. H. 



Stipitcs cum rachidibus rubri vel purpurei, villosi, demum 

 glabri. Frondes -± 40 — 55 cm. longae, + 80 cm. latae. Pinnae 

 coriaceo-membranaceae, pellucidae, ± 20-30 utrinque, intégra, 

 lineares, confertae vel imbricatae, sessiles, pinnae intima? plerumque 

 maxime, 15 — 25 cm. longae, subulatae, basi 1 — 2 cm. lata?, ro- 

 tundatae, margine intégra vel serrât*, apice obtusiusculae, costi& 

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

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

 angustis. — Planta Blechno oriental] simillima. 



Banda Islande (Treub). 



Pteris rail$'ifërina. Pf\. Miq. in Ann. Mus. Bot. L. 

 B., IV, 95; Pt. Dalhousiœ, Bac. (not Hk.), Flor. Btz., I, 153. 



Raciborski's description of this plant does not agrée with 

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

 A. — Pt, rangiferina, Pr. and Dalhousiœ, Hk., are 2 quite diffé- 

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

 pinnae pinnatifid on the posterior side into long, upcurved segments 

 and the former with the lower pinnae pinnatifid on the anterior 

 side into short, straight segments. 



Java. 



Pteris (Eupteris) Treubii. r. A. r. H. 



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

 des 30 — 45 cm. longae, phmata?. Pinna terminalis linearis, 20— 30 

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

 gine intégra, apice acuminata, spinuloso-denticulata; pinna? laté- 

 rales 3 — 4 utrinque, erecto-patentes, superiores pinnae terminali 

 simillima', intima? petiolata?, furcatae vel 3-partita?, segmentis + 

 œquilongis, subp étiolât is, papyraceae, glabrae, venis liberis, subremotis, 

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

 rumque haud attingentes. — Frondes stériles non vidi. 



Wahay {Ceram). — The name is given to tins species in honour of 

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

 Department in Netherlands India. 



