Ocroser 30, 1928) PrERIDOPHYTES OF THE Horn or Nearos 415 
Range doubtful, depending on how the species is defined. 
Of the forms recognized as species by Giesenhagen but 
not by earlier writers, this is nearest to N. Warburgii, from 
which it varies mostly in the direction of typical C. Lingua 
Cyclophorus Sarasinorum (Gies.) C. Chr. 
Tangled masses on large boulders. 
Mindanao. 
Celebes. 
| DRYNARIA (Bory) J. Sm. 
Drynaria sparsisora (Desv.) Moore. 
On small stems or stumps, alt. 600 m., No. t0034. 
Collected by Warburg in Luzon and Mindanao. 
Ceylon to Fiji. 
DRYOSTACHYUM J. Sm. 
Dryostachyum splendens J. Sm. 
p Alt. 1200 m., No. 10069. 
1 Luzon, Mindoro, Mindanao. 
Range in doubt because of confusion with D. pilosum. 
"Often 45 cm. wide at the dry, parchment-like base.” 
Dryostachyum pilosum J. Sm. 
No. 10012. 
Luzon (according to label on Cwming's plant); Mindanao. 
Range doubtful because of confusion with the preceding. 
PHOTINOPTERIS J. Sm. 
: Photinopteris speciosa (Bl.) Presl. 
On high trunks, alt. 600 m., No. 9785. ''Locdo." 
Luzon, Mindanao. 
Malaya. 
Rhizome said to be 0.75 inch thick when fresh. In the 
dried plant it is not one-third as thick. 
ACHROSTICHUM Linn. 
Achrostichum aureum Linn. 
On ledges and elsewhere along the Ocoy river, alt. 
300. m.,..No...10294. ... 
Throughout the Philippines, in salt marshes. 
Pantropic. | 
