110 The Philippine Journal of Science me 
ADIANTUM Linnaeus 
ADIANTUM ROBINSON 1 1 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. 19 bl, 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. FI. Ind. (1768) 237. 
Amboina, Way Tommo, Robinson PL Rumph. Amb. bb%, 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 ORI ENTALIS 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 ZOSTERI FOLIA 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. 
