22. DRYOPTEEIS. § 3. CYCLOSOBUS. 191 



base ; lower pinnulae petiolulate ; lowest posterior pinnulae of lowest pinnae, 

 produced, to S'/^ cm. long by 1 cm. broad, deeply lobed ; lobes entire or 

 crenulate. Texture subcoriaceous ; upper surface naked, lower provided 

 with a few scattered, minute, adpressed scales; costae naked above, 

 sparingly scaly beneath ; costulae and veins immersed ; veins often forked. 

 Sori subterminal on the anterior veinlets, large; indusium large, round, 

 black, pale-brown-margined, evanishing. 

 Neio Guinea. 



§ 1. TECTARIA. 



(1) A, siiigapoi'ianiiBti, trail.; Ttdaria singaporiana, Copel, 

 in Philipp. Journ., IX'^, 229. 



(2) A. ti*icusi|>e, JBedd. 



Also in Borneo. 



{6a*) See No. 19. 



(8) A. tcrnatcnse. ». A. ». K. 



Fronds varying from 25 to 45 cm. long; pinnae 3—8 on a side, 

 herbaceo-membranaceoLTS to subcoriaceous; barren pinnae somewhat longer 

 than and to twice as broad as the fertile ones, with, the main veins 

 more distinct, the veins anastomosing irregularly and the free veinlets 

 spreading in various directions. 



Also in New Guinea. 



(8a) A. papuanum. v. A. v. n., in Bull. Btz., 1912, VII, 3; 

 Tectaria papuana, Copel., in Phihpp. Journ., VF, 76. 



Stipes to + 45 cm. long, black or purple-black, glossy, at length 

 naked. Fronds oblong or deltoid, + 25 — 40 cm. long, + 20—30 cm. 

 broad, pinnate. Pinnae 2 on each side below the terminal one, close or 

 remote; lowest pinnae ascending, stalked, deltoid, trifurcate at the base, 

 + 15 — 20 cm. long, the basal lobes rather spreading, elongate and 



