NovEMBER 15, 1910] Tur Ferns or Mount Apo 845 
Polypodium ellipticum Thunb. 
On a rocky ledge near a stream, alt. 600 m., No. 11164. 
**Libagod-ta-pangpang.”’ 
Common in such situations throughout the Philippines. 
Malaya to India, Japan and Queensland. 
Polypodium Phymatodes Linn. 
Epiphytie in Casuarina, alt. 700 m., No. 10461. ‘‘Ba- 
rawetku’’; a moderately ample form. Also, on bowlders and 
wet humus in dense woods in ravines, alt. 900 m., No. 10848. 
‘‘Libagod-ta-pangpang;’’? a very narrow form. 
Very common in the Philippines. 
Malaya to Africa, Tsushima and Polynesia. 
Polypodium incurvatum BI. 
On mossy limbs, Mt. Apo, alt. 1800 m., No. 11598. 
Previously collected here by Warburg and myself. 
‘Mindanao. 
Malacca, Java, Borneo. 
Polypodium palmatum BI. 
In mossy forest, Mt. Apo, alt. 1800 m., Copeland 1062, 
1538.* 
Throughout the Philippines, common. 
Malaya. 
Polypodium angustatum Bl. 
Mt. Apo, alt. 1800 to 1950 m., De Vore and Hoover 
330, 341, 376; Copeland s. n.; Williams 2463. 
Mindanao. 
Malaya. 
Polypodium nigrescens Bl. 
Along Sibulan river, alt. 450 m., Copeland 964. 
Throughout the Philippines. 
Malaya to India and Polynesia. 
