HO The Philippine Journal of Science i»i6 



ADIANTUM Linnaeus 

 ADIANTUM ROBINSONII v. A. v. R. sp. nov. 



Eu-adiantum. — Rhizoma breve, squamulis anguste lineari-sub- 

 ulatis pallide rufo-fuscis vestitum. Stipites approximati, basin 

 versus squamulosi et demum asperuli, ceterum (cum rachidibus) 

 glabri, atro-brunnei, nitentes. Frondes ± 10 ad 15 cm longae, 

 usque ad 12 cm latae, ramosae; rami laterales infra ramum ter- 

 minalem 1 vel 2 utrinque. Foliola coriacea, supra leviter niten- 

 tia, subtus subopaca, approximata, breviter at graciliter petiolu- 

 lata, dimidiato-oblonga, 1 ad 1.5 cm longa, usque ad 0.75 cm lata, 

 margine superiore et exteriore serrulata (vel leviter 2-lobata et 

 serrulata) et pellucido-striata, venis subflabellatis, in sinibus 

 serraturarum terminantibus. Sori in quoque foliolo 1 vel 2, ad 

 marginem superiorem positi, transverse oblongi vel lineari- 

 oblongi, sat recti; capsulae ad et inter venulas ortae; indusium 

 angustum, coriaceum, obscure fuscum. 



Amboina, Amahoesoe, Rel. Robins. 1H1, September 16, 1913, altitude 

 80 meters. 



CHEILANTHES Swartz 



CHEILANTHES TENUIFOLIA (Burm.) Sw. Syn. Fil. (1806) 129, 332; 

 v. A. v. R. Mai. Ferns 339. 

 Trichomanes tenuifolium Burm. Fl. Ind. (1768) 237. 

 Amboina, Way Tommo, Robinson PI. Rumph. Amb. H2, August 19, 

 1913, altitude about 80 meters. 



Representing: Dryopteris campestris Rumph. Herb. Amboin. VI, 74, 

 t. XXXIV, fig. 2. 



Distrib.: Tropical Asia, Australia, and Polynesia, to Tasmania and 

 New Zealand. 



PTERIS Linaeus 



PTERIS ORIENTALIS v. A. v. R. in Bull. Dept. Agr. Ind. Neerl. 18 

 (1908) 12; Mai. Ferns 355. 



Var. GLABRA v. A. v. R. in Bull. Jard. Bot. Buitenz. 7 (1912) 26. 



Amboina, Binting, Rel Robins. 1958, July 29, 1913, roadside at low alti- 

 tudes, locally known as paku kawat. 



Large; pinnae remote; lower pinnae with the base obliquely cordate, 

 i. e. the upper side of the base shorter and broader than the lower. Per- 

 haps a derived form of Pteris moluccana Bl., with the pinnae unequally 

 cuneate at the base. 



VITTARIA ZOSTERIFOLIA Willd. Spec. PI. 5 (1810) 406; v. A. v. R. 

 Mai. Ferns 554. 



Amboina, Hitoe lama, Rel. Robins. 1950, October 8, 1913, epiphytic, at 

 an altitude of about 125 meters. 



Distrib.: Mascarenes, Comores, Malaya, to Polynesia. 



