Asri,i:Mi:.K — asplkmi m. H7 



§ Athyrium. 



(:54) A. (Athyrium) Sarasinorum irliii>t Ann. hml. I'.nt. I'.iiitciiz. 

 15(1808) :12:i, var. ph i I i ppi nense (Christ Hull. l[.rl.. I'.nis. 6 (lS!t8): 

 154). C'audc.K .xlmrt, luarin^' lonf:, dark-hrown srah-s; stipes ;j to G in 

 a cluster, slciKJcr, weak, brown, sparsely sealy, 15 cm. (ir more liigh; froiiii 

 above 10 iin. liifjli, two-fifths as broad, acute, tripinnatilid ; pinna; 10 or 

 more on each side, alternate, the lowest the longest ; pinnules sessile or 

 the lowest short stalked, round-oval, divided to tiie costa below into 

 segniiMits whicli in turn are incised into linoar-lancoolate subacute lobes; 

 sori 1 to oacli lobe, sliglitly curved, with oval, loose, brown indusia. 



Mount Data. Benguet, 2.250 ni., Lohcr. 



The type of the siiccics in Celebes. 



(35) A. (Athyrium) nigripes I'.lunie. Stipes tufted, 15 to .30 cm. 

 high, stiaiuiiiious, erect, scaly below; frond 30 to 60 ciu. long, 20 to 30 

 em. broad, ovate-lanceolate, with numerous pinna* on each side, the lowest 

 lanceolate, 15 to 25 cm. long, 4 to 5 cm. broad, cut down to the rachis 

 into numerous elliptico-rhomboidal pinnules, which are broadly lobed about 

 half way down and the lobes slightly toothed; texture herbaceous; lateral 

 veins of tlie segments forked: sori linear-oblong, often curved, 2 to 3 mm. 

 long, principally in two parallel rows close to the midrib of the pinnule. 



!Mount Arayat, 800 m., Loher. 

 India to Java and Japan. 



(36) A. (Athyrium) woodward ioides iPrcsl) Baker. Stipe firm, 

 erect, naked, tlark olu'>tnut-br(iwn : frond t!0 to 100 cm. long, 30 cm. or more 

 broad; lower pinnre 15 to 25 cm. long, 8 cm. broad; pinnules lanceolate, 

 slightly stalked. 4 em. long. 1 cm. broad, cut dowii two-tliirds of the way 

 to the costa into linear-oblong, subfalcate, finely toothed lobes, herbaceous, 

 glabrous; veins pinnate in the lobes, with 4 to 5 veinlets on a side, the 

 upper ones forked, ends clavate; sori oblong, confined to the lower lobes 

 close to the costa and not reaching more than half way to the margin. 



Luzon, Cuming 153; Baguio, Loher. 

 Java. 



(31) TRIPHLEBIA Baker. 



Veins free; sori borne on a special receptacle between two parallel veins; 

 indusium double, each bounding vein bearing half of it, opening regularly 

 down the middle. Our two species are exclusively Philippine. 



(1) T. longifolia (Presl) Baker. Differs from the following species 

 only in that the frond is simple and entire, and the line where the two 

 halves of the indusium meet is not emphasized. 



Luzon, Ihicnke; Sorsogon, Barandu ; Davao, Warburg 14117. 



(2) T. pinnata (J. Sm.) Baker. Stipe compressed, grayish; frond 50 

 to 120 cm. long, lanceolate-deltoid, rooting at the apex, with an entire or 

 finely crenate terminal pinna and 1 to 6 pairs of similar lateral ones, 

 glabrous, subcoriaceous; veins usually once forked; sori numerous, oblique, 

 linear, the indusium ridged where the halves meet. 



Philippines, Cuming 1S7. 311; Biga, Catanduanes, Baranda. 



