126 POLYPODIACE^B OF THE PHILIPPINE ISLANDS. 



invisible; sori minute, copious, scattered, sometimes confluent, especially 

 along the margin. 



Mindanao, Cuming 287; Catanduanes, Baranda; Benguet, Topping 262. 



(38) P. punctatum (L.) Christ. Rhizome short, stout, with sparse 

 scales but usually covered with ' roots ; fronds sessile or nearly so, 30 to 

 60 cm. high, one-tenth as broad, oblanceolate, acute or obtuse, attenuate 

 to the base, entire, subcoriaceous, glabrous; midrib prominent, veins 

 fine, not immersed, with copious fine areola^ and free veinlets; sori small 

 and copious, scattered irregularly. 



Baguio, Topping 314, Elmer 5884 (large sori) ; Mount Mariveles, Cope- 

 land 253, 257 (broad), Whitford 197; Rizal, Merrill 2353; Mount Apo, 

 Copeland 1194. 



Tropical Africa across Polynesia. 



(39) P. validum Copeland. Rhizome short, stout, clothed with ovate, 

 obtuse, cordate or peltate, appressed, brown scales; fronds clustered, almost 

 sessile, broadly oblanceolate, subacute, entire, attenuate to the base, thick- 

 coriaceous, brittle, glabrous; main veins fine but not immersed, running 

 almost to the margin, major areolae about 7 between costa and margin, 

 each inclosing many fine minor ones; sori numerous, minute, irregularly 

 scattered. 



Davao, on rocks along Sibulan River, Copeland 973, 1259. 



(40) P. oodes Kunze. Rhizome slender, clothed with small fibrillose, 

 yellowish scales; stipes distant, slender, glabrous; frond 4 to 6 cm. long, 

 3 cm. broad, ovate, entire, with rounded but hardly decurrent base, coria- 

 ceous, glabrous; main veins distinct nearly to the margin, with fine 

 areolse and free veinlets; sori rather large, few, scattered. 



Philippines, Cuming 58; Mount Data, Benguet, Loher. 



(41) P. myriocarpum Mett. Rhizome stout, creeping, sparsely scaly; 

 stipes subclustered, 1 to 2 cm. high; frond 40 to 60 cm. high, 3 to 6 cm. 

 broad, acuminate, entire, attenuate to the base, papyraceous, glabrous or 

 the lower surface pubescent; main veins distinct two-thirds of way to 

 margin, where they are connected, forming a conspicuous row of large 

 rhomboidal areol*, outside which is a row of smaller ones, both including 

 numerous fine ones; sori numerous, minute, scattered irregularly. 



Benguet, Topping 346, Elmer 6142; Mariveles, Merrill 2549, Copeland 

 227, Whitford 50; Rizal and Tarlac, Loher; Mindoro, Merrill 1772. 

 Cochin China, Malaya. 



(42) P. linguaeforme Mett. Rhizome stout, short-creeping; frond 

 sessile, 20 to 50 cm. long, 7 cm. broad, narrowed from the middle to 

 three-fourths of the way down, and then dilated again to the broadly 

 rounded base, entire, papyraceous, glabrous; veins very distinctly raised, 

 the main ones irregular, areolae subquadrangular, with an immersed sorus 

 on free or jointed veinlets in the center of each. 



Castillo, Loher. 



Borneo, the Solomon Isles. 



(43) P. triquetrum Blume. Rhizome slender, creeping, clothed with 

 brown or whitish, lanceolate, acuminate scales; stipes 3 to 12 cm. high, 



