2. HEMITELIA. § 2. AMPHICOSMIA. 51 



± 60 — 70 cm. long. Pinnulae sessile, linear-lanceolate, to + 10 cm. 

 long, 2 cm. broad at or near the base, subfalcate, ascending or spreading, 

 or the lower horizontal or somewhat deflexed, the apex moderately long- 

 acuminate, toothed or serrate-crenate, the edge cut down nearly to the 

 costa. Tertiary segments linear-oblong, spreading, subfalcate, + 2'., mm. 

 broad, generally blunt, more or less crenate and revolute, the higher 

 rather approximate, the lower more remote, the lowest sometimes nearly 

 free. Texture firm but not rigid ; rachises pale-brown, naked (giabrescent ?) 

 beneath, clothed above with more or less deciduous pale-brown hairs, 

 smooth, or the main one provided with a few minute warts ; upper surface 

 naked, lower glaucous, naked or sparingly and very minutely appresso- 

 fibrillose on the veins; costae hairy above, sparingly scaly beneath, the 

 hairs pale, the scales flat, pale, deciduous, partly suborbicular, partly 

 ovate-lanceolate; costulae naked above, provided beneath with few pale, 

 acuminate, buUate scales; veins + 9 — 12 on a side, once or occasionally 

 twice forked, the higher only simple. Sori 2 — 4 on a side, costular, 

 occupying the lower veins but the lowest veins often destitute of sori ; 

 indusium very small but not positively rudimentary, semiorbicular. 

 Java. 



(6) H. la<ebi*0!«a, Mett., Rac, Flor. Btz., I, 39; Alsophila 

 latebrosa, Wall, (not Hk.), Bk., Syn. Fil., 43; Bedd., Ferns S. I., tab. 

 LVIII; C. Chr., Ind. Fil.; Oyatliea latebrosa., Copel., in Philipp. Journ., IV^, 

 52; — var. major, Christ, in Philipp. Journ., IF, 183. 



Stipes dark-brown or purple, very spiny towords the base, muricate 

 upwards, scurfy, and bearing at the base a few linear, harsh, brown 

 scales, soon naked. Fronds large, the main rachis maroon, muricate at 

 least towards the base, hirsute above, scurfy with deciduous and very 

 minute squamules. Pinnae ± 30 — 60 cm. long or longer, sessile or nearly 

 so, the lowest ones somewhat reduced and deflexed; rachises from pale- 

 brown to maroon, naked or minutely scaly, rough with sparse, fine, sharp 

 prickles. Pinnulae sessile, + 9 — 10 cm. long, ± 1 '/a—^^ cm. broad, crenate 

 or serrate and acuminate at the apex, the edge cut to a narrow wing 

 throughout; lobes subacute or obtuse, subfalcate, serrulate or subentire, 

 + 2 mm. broad, the lower not rarely free, adnate or not so. Texture 

 membranaceous to subcoriaceous, upper surface bright-green, naked, lower 

 paler, naked or slightly hairy ; costae hairy above, beneath naked, or scaly 

 with more or less approximate, ovate-acuminate or bullate scales, as are 



