112 The Philippine Journal of Science me 



so as to form two parallel series of capsules to a sorus. Drymoglossum 

 carnosum J. Sm., reported from Amboina, differs in having the areolae 

 provided with recurrent free veinlets, and the sori covered by peltate 

 scales when young. 



HYMENOLEPIS Kaulfuss 



HYMENOLEPIS SPICATA (Linn, f.) Presl Epim. (1849) 159; v. A. v. R. 



Mai. Ferns 728. 

 Acrostichum spicatum Linn. f. Suppl. (1781) 444. 

 Amboina, Mahiya, Rel. Robins. 1949, October 3, 1913, epiphytic, altitude 

 about 350 meters. 



Distrib.: Madagascar, Mascarenes, Tropical Asia, Australia, and Poly- 

 nesia. 



POLYPODIUM Linnaeus 



POLYPODIUM CONTIGUUM (Forst.) J. Sm. in Hook. Journ. Bot. 3 (1841) 

 394; v. A. v. R. Mai. Ferns 616. 

 Trichomanes contiguum Forst. Prodr. (1786) 841. 

 Davallia contigua Spr. in Schrad. Journ. 1789* (1789) 271. 



Var. MONOSORA Copel. in Perk. Fragm. (1905) 179. 



Amboina, Hitoe messen, Rel. Robins. 1935, October 18, 1913, on trees with 

 Polypodium decorum Brack. 



Distrib.: Java, the Philippines, and New Guinea. 



POLYPODIUM DECORUM Brack, in Wilkes U. S. Expl. Exp. 16 (1854) 

 7, t. 2, fig. 2; v. A. v. R. Mai. Ferns 608. 



Amboina, Hitoe messen, Rel. Robins. 1986, October 18, 1913, on trees, 

 altitude about 400 meters. 



A young specimen with the fronds shorter and narrower than usual. 



Distrib.: Ceylon across Malaya to Polynesia. 



POLYPODIUM MERRILLII Copel. in Perk. Fragm. PL Philip. (1905) 

 188; v. A. v. R. Mai. Ferns 579. 



Amboina, Salahoetoe, Rel. Robins. 9169, November 27, 1913, on trees, 

 altitude about 950 meters. 



Distrib.: Philippines (Palawan only). 



PLEOPELTIS Humbolt & Bonpland 



PL EO PELT IS MUSI FOLIA (Bl.) Moore Ind. Fil. (1857) LXXVIII. 



Polypodium musifolium Bl. Enum. PI. Java (1828) 134; Fl. Jav. 2:171, 

 t. 79; v. A. v. R. Mai. Ferns 654. 



Forma typica: Fronds linear or ligulate, cordate or rounded at the base, 

 sessile; main veins long, rather straight, reaching nearly to the margin, con- 

 nected by transverse veins forming several rows of nearly regular, sub- 

 quadrangular primary areolae. 



Amboina, Ayer putri, Rel. Robins. 1954, July 28, 1913, on trees at low 

 altitudes. 



A young form intermediate between the type and the variety by 

 its lanceolate fronds acute at the base, and its irregular lower venation. 



Distrib.: Malaya. 



