﻿184 22. DRYOPTKRIS. § 1. LASTRAEA. 



quite naked, the pinnae less deeply lobed, the upper base auriculate and the 

 sori between the main veins and the margin. 



Amboyna, New Guinea; Fiji, Mascaren Islands, Trop. Africa. 



(11) O. ligulata, O. Ittxe, C. Chr., Ind. Fil.; Aspidium ligulatum, 

 Kze, Mett., Farng., IV, Phegop. & Aspid., No. 213; Nephrodium ligulatum, Hk., 

 Hk. Bk., Syn. Fil., 264. 



Stipes grey, glossy, naked. Fronds 90 — 120 c.M. long, 30 — 45 c.M. 

 broad. Pinnae 15 — 25 c.M. long, + 2 /^ c.M. broad, cut down very nearly 

 to the costa into linear, blunt, entire, erecto-patent lobes + 2'/2 m-M. broad 

 and with more than their own space between them, lower pinnae slightly 

 reduced. Texture subcoriaceous; rachis and under surface finely pubescent; 

 veins ± 10 — 12 on a side. Sori submarginal. 



Philippines. 



* (12) D. Uallieri, C. Chr., Ind. Fil.; Aspidium Hallieri, Christ, Ann. 

 Btz., XX, 106. 



Stipes thick, brown, opaque, clothed like the rachis with short hairs and 

 like the base of the rachis with lanceolate-subulate, spreading, brown scales. 

 Fronds ovate-lanceolate, + 100 c.M. long or longer, ± 35 c.M. broad, acu- 

 minate, hardly narrowed at the base. Pinnae of the barren fronds close, 

 sessile, spreading, caudate-acuminate, the margin incised ^/4-way down to the 

 costa, the base + 3 c.M. broad. Segments pectinate, close, ± 35 below 

 the serrate apex, + 1 c.M. long, + 4 — 6 m.M. broad, falcate, lanceolate, 

 bluntish, the margin subentire or subcrenulate, short-ciliate, slightly inflexed. 

 Costae, costulae and veins pubescent; veins 12—15 on each side, very promi- 

 nent. Fertile pinnae 2 — 272 c.M. broad, the lower ones distant; segments 

 2 — 3^2 ^-^^ broad. Sori minute, medial or subcostular, ± 15 on each side; 

 indusium small or wanting (suppressed ?). 



Borneo. 



* (13) D. attenuata, O. Ktxe, Rev. Gen.Pl.,ll, 81^; D.stenobasis,C. 

 Chr., Ind. Fil. ; Aspidium altenuatum, Kze, Mett., Farng., IV, Phegop. & Aspid., 

 96; Nephrodium attenualum, Fee (not Bk.), Hk. Bk., Syn. Fil., 263. 



Stipes 30 c.M. or more long, firm, glossy, naked. Fronds 90 — 120 c.M. 

 long, + 50 — 60 c.M. broad. Pinnae ± 2 c.M. broad, acuminate to caudate 

 at the .apex, the lower ones short-stalked, the edge cut ^2 — ^U ^f the way 

 down into entire, spreading, blunt lobes 1\ — 4 m.M. broad, the basal lobes 



