DAVALLIE.E ODONTOSOKIA. O i 



(1) O. chinensis (L.) J. Sni. (Lindsaya tcnuifolla (Sw.) Christ.) 

 Rhizome stout, creeping, densely fibrillose; stipe stout, erect, polished, 

 naked, dark brown, 15 to 30 cm. high; frond 30 to 45 cm. long, half as 

 broad, ovate, quadripinnatifid; lower pinnaj ovate-lanceolate, 10 to 15 cm. 

 long, .half as broad; pinnules lanceolate, their segments cut down to the 

 rachis below with toothed cuneate lobes, texture subcoriaceous, both 

 surfaces naked, the upper shining; sori terminal, usually solitary, often 

 rather broader than deep. 



Tonglon, 1,500 m., and Filad, 1,200 m., Loher Gl; Sampaloc, Tayabas, 

 ^Yarhnrg 12762, Xueva Ecija, Menill 203. 

 Madagascar to Japan and Polynesia. 



(2) O. retusa (Cav.) J. Sm. Stipes strong, erect, not prickly or climb- 

 ing; frond tripinnatifid; lower pinnae 30 to 40 cm. long, 15 to 20 cm. broad; 

 pinnules lanceolate-deltoid, the lower segments the same shape, 5 cm. long, 

 2 cm. broad, cut down to the rachis below, cunneate; texture herbaceous; 

 sori narrow, marginal, occupying the whole breadth of the lobes. 



Sampaloc, Tayabas, Warburg 12761: Limutan, Morong, Loher 62; south- 

 ern Luzon, Baranda 15; Benguet, Elmer 5917, 6004, Topping 334, 289; 

 Davao, Copehuid 970 and 1260. 



To New Caledonia. 



(19) DENNSTAEDTIA Bernhardi. 



Rhizome hairy, the stipes not articulate to it ; fronds at least bipin- 

 nate; sori marginal; indusium imited with the margin of the frond to 

 form a sharply difi'erentiated globose receptacle. Rather large ferns, 

 superficially resembling Dichsonia, and formerly included under it. 



1. Racbises not prickly. 



2. Sori at bottom of sinuses. 



3. Lower surface tomentose-glandular (1) D. Smithii 



3. Frond glabrous (2) D. cuneata 



2. Sori on ends of teetb. 



3. Rhizome creeping, frond tripinnatifid (3) D. scabra 



1. Rachises prickly, rbizome scandent (4) D. scandetis 



(1) D. Smithii (Hk.) Christ. Frond tripinnate; lower pinnae 3 dm. 

 long, 1 dm. broad; pinnules linear-acuminate, their divisions distinct, 

 rather distant, narrow, acute, the lower ones 12 mm. long, 4 nun, broad, 

 slightly inciso-pinnatifid; rachises and under surfaces densely tomentose- 

 glandular; texture subcoriaceous; sori 2 to 8 to a segment; receptacle 

 subglobosc, cupshaped, 0.5 mm. across. 



Luzon, Chiming; Rizal, Loher; Davao, Warburg 14134. DeVore and 

 Hoover 333, from Davao, is probably this species, but has the segments 

 of the pinnies obtuse. 



Java, Formosa. 



(2) D. cuneata (Hk.) Christ. Frond ample, subdeltoid, quadripin- 

 natifid; rachises stramineous, naked; pinnse lanceolate, 15 to 30 cm. long; 

 l)innules close, short-stalked, lanceolate, 1 cm. broad; segments oblong- 

 rhomboid, 2 to 4 mm. broad, inciso-pinnatifid, cuneate at base, sessile, 

 more cut away on lower side; texture moderately firm; both sides green, 



