814 LEAFLETS OF PHILIPPINE BOTANY [Vor. III, Arr. 45 
DIPTERIS Reinw. 
Dipteris conjugata Reinw. 
In edges of chaparral, Mt. Apo, alt. 2500 m., Copeland 
1469. This form is the variety alpina Christ. The ordinary 
form is found at lesser altitudes. 
Throughout the Philippines (the species.) 
Asia to Polynesia. 
ATHYRIUM Roth. 
Athyrium grammitoides (Pr.) Milde. 
In erevices in cliffs, Sibulan river, alt. 900 m., No. 
10833. ‘‘Libagod.’’ 
Common throughout the Philippines. 
Athyrium platyphyllum Copel. in P. J. S. 3, C (1908) 
292. 
On a dry, forested ridge, Mt. Calelan, alt. 1800 m., 
No. 11806. This is not exactly the typical A. platyphyllum 
of the Benguet highlands, but is very near it. This form 
has been found on Malindang and apparently on Mt. Banajao. 
. Endemic. 
Athyrium ‘“‘cyatheaefolinm” (Rich.) Milde. 
In dense forest, Mt. Calelan, alt. 1800 m., No. 11807. 
"Libagod." Two or three Philippine ferns are known by 
| this name. The range of any one of them is in doubt. 
Athyrium woodwardioides (Pr.) Christ. 
In dense woods south of Baruring river, alt. 1050 m., 
No. 10680. ''Dalabungan." Caudex 5 em. thick, 1 to 1.5 
m. high or long, erect or reclining. This fern is in its 
whole aspect more delicate than A. silvaticum (Bl.) Milde, 
as the latter is represented here by Javan speci- 
mens. : 
