NoveMBER 15, 1910] Tue Ferns or Mount Apo 825 
DENNSTAEDTIA Bernh. 
Dennstaedtia dennstaedtioides Copel. 
On moist humus in dense woods, Mt. Apo, alt. 1700 
m., No. 11564. ''Bangat." This material is larger than the 
type, collected in the same locality, perhaps from a younger 
plant. 
Known also in the Benguet region. 
Dennstaedtia Smithii (Hook.) Moore. 
In sandy and rocky soil along creek, Mt. Apo, alt. 1750 
m., No. 11513. 
Commonest in central Luzon, rare elsewhere in the Phil 
ippines. ; 
Dennstaedtia Hooveri Christ in P. J. S. 2, C (1907) 169 
Along streamlets in forest, Mt. Apo, alt. 1700 m., No. 
11430. ‘‘Lalobungan.”’ 
Already known here and at San Ramon. 
Dennstaedtia scabra (Wall.) Moore. 
Mt. Apo, alt. 1800 m., Copeland 1482. 
Malindang, Halcon, and the Benguet highland. 
Malaya to Ceylon, China and Japan. 
Dennstaedtia scandens (Bl.) Moore. 
A sprawling climber over thickets on sandy and stony 
soil, Mt. Apo, alt. 1750 m., No. 11516. "'Sagpang." 
Mindoro. Collected on Mt. Dagatpan by Warburg. 
Malaya, Samoa. 
HYPOLEPIS Bernh. 
Hypolepis tenuifolia (Forst.) Bernh. 
Terrestrial in local open spots, usually along creeks, 
Mt. Apo, alt. 1800 m., Nos. 11532, 11579. "''Sagpang." 
This is the type of the genus Hypolepis. It is so close to 
