Ocronzn 30, 1908) PTERIDOPHYTES OF THE Horn or Nearos 405 
Adiantum caudatum Linn. 
Alt. 750 m., No. 9575. ''"Tolaedo." 
Throughout the Philippines. 
Africa to New Hebrides. 
PLAGIOGYRIA (Kze.) Mett. 
Plagiogyria tuberculata Copel. in Philip. Journ, Sci. 1 
Suppl. (1906) 153. var. gracilis Copel. var. nova. 
Planta typo luzoniense gracilior et minor, aliter non di- 
versa. 
Fertile soil in crater, alt. 1800 m., No. 9740. ''Locdo." 
The most robust and largest of Elmer's plants is much 
smaller and less stout than the least of mine from Mt. Data. 
PTERIS Linn. 
Pteris ensiformis Burm. 
In bamboo flats, No. 9508. ''Loedo-magamai."' 
: Throughout the Philippines. 
India. and China to Polynesia. 
Pteris excelsa Gaud. 
Damp gravelly soil along the Bonyao river, alt. 750 m., 
No.. 9864. 
Central Luzon, Palawan, Mindanao. 
India across Polynesia. 
Pteris tripartita Swtz. 
Loose soil along the Bonyao river, alt. 300 m., No. 10420. 
Throughout the Philippines. 
Africa to Polynesia. 
Abaca (Musa textilis) may be expected to grow well where i 
this fern thrives. 
HISTIOPTERIS (Agardh) J. Sm. 
Histiopteris incisa (Thunb.) J. Sm. 
Rich soil around a «pring, alt. 1200 m., No. 10331. 
On many Philippine mountains. 
Pantropic. i 
