316 
MERRILL AND MERRITT. 
HYMENOPHYLLUM Sm. 
1. H. australe Willd. Sp. PI. 5 (1810) 527. 
In the mossy forest, altitude about 2,600 m, C. M. Z. 16317, Copeland. 
Widely distributed on the mountains of the Philippines; India through Malaya 
to Australia, and Polynesia. 
2. H. discosum Christ in Bull. Herb. Boiss. 6 (1898) 140. 
Widely distributed in the mossy forest above an altitude of 2,500 m, Merrill 
6386, 6374, Copeland. 
Known only from the mountains of the Philippines. 
3. H. paniculiflorum Presl Hymen. (1843) 32, 55. 
In the mossy forest, altitude about 2,500 m, Merrill 6373, C. M. Z. 16316, 
Copeland: 
Widely distributed in the Philippines; Malaya. 
CYATHEACEJE. 
BALANTIUM Kaulf. 
1. B. copeland i Christ ex Copel. in Philip. Journ. Sci. 3 (1908) Bot. 301. 
On steep pine slopes, altitude about 1,600 m, C. M. Z. 16260. 
Mountains of Luzon and Negros ; endemic. 
CYATHEA Sm. 
1. C. contaminans (Wall.) Copel. in Philip. Journ. Sci. 4 (1909) Bot. 60. 
In the mossy forest and upper pine region, C. M. Z. 16320, 18136. 
Widely distributed at medium and higher altitudes in the Philippines; India 
to Malaya. 
2. C. fuliginosa (Christ) Copel. 1. c. 43. 
In the mossy forest above an altitude of 2,300 m, C. M. Z. 18041, Merrill 6385. 
Known only from similar habitats in the Benguet-Lepanto region. 
POLYPODIACEJE. 
DIACALPE Bl. 
1. D. aspidioides Bl. Enum. PI. Jav. (1828) 241. 
In the upper pine region and in the mossy fprest, Merrill 6384, McGregor 8898. 
Higher mountains of northern and central Luzon ; India to Malaya. 
PERANEMA Don. 
1. P. luzonica Copel. in 'Philip. Journ. Sci; 4 (1909) Bot. 111. 
In the upper parts of the mossy forest and on outcroppings of ledges in the 
summit grass lands, C. M. Z. 16280, Merrill -6367, Copeland 2307. 
Known only from Mount Pulog, the only other known species of the genus, 
P. cyatheoides Don, confined to India and western China. 
DRYOPTERIS Adans. 
1. D. beddomei (Baker) O. Ktze. Rev. Gen. PI. 2 (1891) 812; Christ in 
Philip. Journ. Sci. 2 (1907) Bot. 208. 
Abundant in the upper pine region ascending to an altitude of about 2,000 m, 
C. M. Z. 16249. 
Known in the Philippines only from the Benguet-Lepanto region; India to 
southern China and Malaya. 
