124 COPELANU. 
DIPTERIS Keimv. 
h 
Dipteris conjugata (Kaulf.) Keinw. 
In thickets at 2,000 m. alt. (No. 5882). 
Common at higher altitudes throughout the Philippines. 
India to Polynesia. 
There is also in the collection an alpine form, collected on an open lioath at 
2,400 m. alt., dwarfed and distinct in appearance, but sterile (No. 5881), doubtless 
the var. aJpwa Christ in Bull. Herb. Boiss. II. 6 (1906) 991. 
r 
NEPHROLEPIS «cliott. 
Nephrolepis hirsutula Presl. 
Abundant along the Alag River at 100 m. alt. (No. 5947). 
Very common throughout the Philippines. 
Pantropic. 
Nephrolepis rufescens Presl. 
In an old clearing at 700 m. alt. (No. 5948). 
A species of doubtful status, not uncommon throughout the Philippines. 
Nephrolepis barbata Copel. 
Epiphytic in the ridge forests at 850 m. alt. (No. 5940). 
Hitherto known only from a similar situation on Mount Apo, Mindanao, and 
from central Luzon, {Loher). 
Nephrolepis sp. near N. exaltata (L.) Schott. 
Epiphytic and on rocks at 1,000 m. alt. (No. 5945). 
A plant unlike any other known to me, with dark shining stipe and rliachis; 
frond pale beneath but dark above, with many lime dots, the pinnae glabrescent, 
serrulate and barbate; indusium attached by a deep sinus, submarginal; frond 
about 80 cm. long, one-fifth as wide. 
OLEANDRA Cav. 
Oleandra colubrina (Blanco) Copel. 
Semiscandent, forming dense thickets in ridge forests at 1,100 m. alt. (No. 
5937). 
Intermediate between the typical form known from Luzon and Negros and the 
variety nittda of Mindanao. 
Oleandra Whltmeei Bak. 
On mossy cliffs in ridge forests at 2,100 m. alt. (No. 5936). 
Hitherto unkno^^Ti north of Mount Apo, Mindanao. 
Celebes, Samoa. 
LEUCOSTEGIA Presl. 
Leucostegia immersa Presl, var. ampllsslma Christ, 
On trees in the mossy forest at 1,800 m. alt., scandent, 3 m. high (No. 5939). 
Luzon, Mindanao and Celebes. 
The species in India and Malaya. 
Leucostegia hymenophylloides (Bl.) Bedd. 
Terrestrial in forests at 900 m., 1,000 m., and 1,500 m, (No. 5938). 
All previous Philippine collections are from Luzon, 
India to Polynesia. 
*i " 
