ASI'I.I'MK.K — IM1'I,A/I r.M. 10 



lonp, the lowest a littli' .-.Imrtcr luit Imiiror stalked, linear, acute, pinnntifid 

 half way clown to the eosta, witli fi|uilat('ial, ae\itf hase, jjlalnons^, licr- 

 haeeous, brij,'ht <,M('fn ahovc, pale iM-neath; rachis densely beset witii short 

 patent liairs; veinlets all bearing' soil. 

 Bohol, CumiiKj ;{4!t. 



(13) D. brachypodum (Bakfi). Stipes tufted, slender, about 2 cm. 

 high, dark firetii, willi a ivw niinvite linear scales; frond oblanceolatc, 

 acuminate, 10 to 15 cm. long, 2.5 cm. broad, bipinnate; lower pinniE 

 lanceolate-deltoid, G mm. broad, distinctly stalked, square on upper side, 

 cuneate-trunoate on lower, cut down to rachis below, many lower distant, 

 reduerd; lowest anterior pinnule much largest, cuneate-ojjiong, dentate, 



2 to .3 mm. broad, tlie otliers lanceolate, entire; texture moderately firm, 

 surfaces dull green; railiis naked; veins pinnate in lower lobes; sori 

 medial, linear. 



Luzon, Cuming 56. 



(14) D. cyatheaefolium (Bory) Presl. Caude.K erect, subarborescent ; 

 stipe tirm. erect, dark brown, nearly naked; frond 45 to 00 cm. long, 

 30 to 45 cm. broad, lower pinna? 25 cm. long, 8 cm. broad, cut down to 

 their rachis in the lower two-thirds into numerous pinnules on each side, 

 the lower ones 4 cm. long, 1 cm. broad, the upper ones inciso-crenate, the 

 lower ones cut down (Hie-third of the distance to the costa into oblong, 

 falcate, sharply-toothed lobes, herbaceous; veins pinnate, with 3 or 4 

 veinlets on each side in the lower lobes; sori falling considerably short 

 of the edge. 



Luzon, ('urn in q 15S. 



(15) D. latifolium (Don). Caudex erect, subarborescent ; stipes tufted, 

 strong, erect, 30 em. or more liijih, livid, smooth, clothed toward the 

 base with linear crisped, dark brown scales; frond 1 m. long, 30 to 45 cm. 

 broad, subdeltoid, with about 12 pinna? on each side, the largest 30 cm. 

 long, 10 cm. broad; pinnules numerous, the largest 5 cm. long, 2 cm. 

 broad at the base, acuminate, slightly toothed, abruptly truncate at the 

 base on both sides, suV)Coriaceous; veins about 6 in a group; sori linear, 

 the lowest often 4 mm. long. 



Philippines. 



Ceylon to Celebes and southern China. 



(16) D. vestitum Presl Epim. Bot., p. 87. Rhizome erect; stipe stout, 

 erect, brownisli, lunu-ntose, sometimes muricate; frond tlO to 90 cm. long, 

 25 to 45 cm. broad, with numerous pinnae on eacli side, the lower ones 

 25 cm. long, 10 cm. broad, with numerous distinct subsessilc pinnules, 

 which are 5 cm. long, 25 mm. broad, blunt, bluntly lobed to a depth of 



3 to mm., base narrowed suddenly or even cordate, thin-herbaceous; rachis 

 like the stipe; veins pinnate in tlie lobes, with 4 to 5 veinlets on each 

 side; lower sori G to 8 mm. long, not reaching the margin. 



Samar, Cuming 336. 



Luzon specimens, Merrill 2667 from Rizal, Copcland s. n., from Mount 

 Mariveles, resemble this in their pubescent rachises, but have acute pinnuh s, 

 and are very large, reaching a height of 3 m. 



