74 POLYPODIACELE OF THE PHILIPPINE ISLANDS. 



lobes; veins 4 to 7 forked; sori copious, the simple ones linear-oblong, the 

 diplazioid oblong. 



Luzon, Cuming 56; Baguio, Topping 156, Loher. 



Malay Islands. 



Presl says Diplazium tenerum is a related species from Leyte, Cuming 

 333 in part. 



(8) D. japonicum Thumb. Rhizome slender, wide-creeping; stipe 15 

 to 30 cm. high, stramineous or brownish, slightly scaly towards the base; 

 frond 25 to 35 cm. long, 10 to 15 broad, ovate-lanceolate, with 8 to 10 

 rather distant pinnae below the pinnatifid apex, the lower ones sessile, 

 10 cm. long, 2 cm. broad, cut down in the lower part two-thirds of the 

 way to the costa into close, oblong, slightly toothed lobes, herbaceous, 

 nearly naked, both surfaces bright green; veins about 6 on each side 

 in the lower lobes, with sori on each reaching two-thirds of the way to 

 the edge, the lowest 3 mm. long, indusium broad, brown, tumid. 



Davao, Warburg 14125. 



Japan and Formosa to the Himalayas. 



(9) D. bulbiferum Brack. (Asplenium Brakenridgei Bak.). Stipes 15 

 to 25 cm. high, firm, grayish, naked; frond 30 to 45 cm. long, 15 to 25 

 cm. broad, the apex pinnatifid, below this 6 to 9 pinnae on each side, the 

 lower ones 3 to 5 cm. apart and distinctly stalked, 10 to 12 cm. long, 

 2 cm. broad, acuminate, sharply serrate, cut down one-third of the way 

 to the costa into blunt incised lobes 6 mm. broad, subcoriaceous ; veins 

 pinnate in the lobes; sori in long lines, reaching to the edge. 



Philippines, Cuming 333, 388. 



Fiji. 



This is possibly D. tenerum Presl, from Leyte. 



(10) D. speciosum Blume. Stipes tufted, 30 cm. or more long, firm, 

 erect, stramineous or brownish, nearly naked; frond 30 to 60 cm. long, 

 20 to 30 cm. broad, with 10 to 20 pairs of pinnae below the pinnatifid^ 

 apex, the lower ones often stalked, 10 to 15 cm. long, 3 cm. broad, very 

 acuminate, lobed down at least two-thirds of the way to the costa into close 

 slightly toothed lobes 6 mm. broad, truncate or subcuneate at base, herba- 

 ceous but firm ; veins pinnate in the lobes ; sori reaching nearly to the edge. 



Philippines, according to Synopsis Filicum. 

 Malaya, Hongkong. 



(11) D. sorsogonense Presl Tent. Pterid., p. 114. Stipes tufted, 10 to 

 15 cm. high, densely fibrillose below; frond 30 to 60 cm. long, 20 to 30 

 cm. broad, with numerous pinnae on each side, the lower ones sessile, 

 10 to 15 cm. long, 25 mm. broad, cut down regularly throughout two-thirds 

 of the way to the costa into spreading, blunt, subentire lobes about 4 mm. 

 broad, herbaceous; rachis slightly fibrillose; veinlets of the lobes simple, 

 with sori in regular rows reaching from the midrib to the edge. 



Sorsogon, Haenke; Leyte, Cuming 301. 

 Himalayas, Malacca. 



(12) D. petiolare Presl Epim. Bot., p. 86. Stipe brown, smooth; 

 frond about 50 cm. high, pinnate with pinnatifid apex; pinnae about 12 cm. 



