300 55. ASPLENIUM. § 3. EU-ARPLENIUM. 



(72) A., nilicluti), S*e.,' Schk., Krypt. Gew., I, tab. 81. 



(74) A. aflBne, Sm. 



Forma typica: Secondary and tertiary segments rather crowded. 

 Forma spathulina: Secondary and tertiary segments rather lax. 



(74o,) A. glaucopliylliini, ». A, ». «., in Bull. Btz., 1912, VII, 

 6; A. nitidum, Christ, (not Sw.), in Ann. Btz., XX, 111. 



Fronds larger, 2-pinnate, the rachises blackish-grey. Pinnae spreading 

 or horizontal, short-stalked, alternate, subfalcate, linear-lanceolate, + 

 20 — 35 cm. long, 6 — 12 cm. broad at or near the base, gradually acumin- 

 ate towards the apes. Pinnulae numerous, close; lateral pinnulae rhom- 

 boidal, irregularly inciso-crenate, . coarsely toothed towards the apes, broadly 

 cuneate or truncate on the upper side at the base, cuneate on the 

 lower side; largest pinnulae + 6 cm. long, 3 cm. broad near the base, 

 straight or falcate, very acute or acuminate at the apex, often with a 

 short auricle-like lobe on the upper side at the base; smallest pinnulae 

 blunt or rounded at the apes; terminal pinnulae elongate-deltoid, coarsely 

 toothed towards the apex, pinnatifid at the base, the lobes rather imbric- 

 ate, truncate or rotundate-truncate and coarsely crenate or crenate-dentate 

 at the apex. Texture coriaceous; surfaces opaque, glaucous, naked like 

 the rachises. Sori -long, linear, the lower radiating or subradiating ; 

 indusium narrow, pale-brown, 



Borneo. 



% 4. DAREA. 



(77) A. liaMterbachii, Christ; C. Chr., Ind. Fil., Suppl. ; A. 

 ohtusilohum, Hk., Hk. Bk., Syn. Fil., 221; Hk., Icon. PL, X, tab. M; A. 

 oceanicum, G. Chr., Ind. Fil. 



Rachis and surfaces purveyed with some scattered, deciduous, 

 black bristles. 



Two forms which may be found on the same rhizome: 



Forma typica : See the description of A . Lauterbachii G. Ghr. in my 

 handbook, p. 473. 



Forma obtusiloba: See the description of A. obtusilobum Hk. in my 

 handbook, p. 474. 



