93. OPHIOGLOSSUM. § 1. EU-OPHIOGLOSSUM. 775 



indistinct fexcept when dry), the midrib a little stouter. Fertile spike 4—5 

 c.M. long, on a peduncle 10— 12 '/a cM. long. 

 Sumatra; Br. India, Trap. Africa. 



* (7) O. parvifoliuni, 6fev. ^r UU., Bot. Misc., Ill, 218; Bedd., 

 Ferns S.I., tab. LXXI ; 0. nudicaule, L.f., Hk. Bk., Syn. Fil., 445; Kze, 

 Farnkr., I, tab. XXIX, 6g. 5, b. 



Rhizome slightly tuberous. Whole plant ± 5 — 10 cjl. high. Barren 

 segment ovate or oblong, + IV4— 4 c.M. long, + '/i— ^Vs C.M. broad.sessile 

 or subsessile, placed considerably below the middle of the whole plant, nar- 

 rowed towards both ends. Texture thin; no evident costa; veins indistinct. 

 Fertile spike 1 — 1 V2 c.M. long, the peduncle often 3 — 5 c.M. long or even 

 longer. — Besides the fertile fronds there are often some shorter ones with- 

 out fertile segments. 



Malaya; Japan, South. India, West. Africa, Trop. 4r Sublrap. America. 



(8) O. obovatum, Mtq., Ann. Mus. Bot. L. B., IV, 93, 



The whole plant +15 c.M. high. Sterile segment oblong-obovate, rarely 

 broadly obovate, placed considerably below the middle, ± 5% c.M. long, + 

 1 '/« — 1 '/4 '^■^- broad, with a haft + 1 '^ c.M. long, the apex rounded or ob- 

 tuse, the base broadly cuneate. Texture coriaceous; veins nearly hidden. 

 Fertile spike + 2'/j c.M. long, on a slender peduncle + 10 c.M. long. 



Timor. 



(9) O. timorense, JBiq., Ann. Mus. Bot. L. B., IV, 93. 



The whole plant mostly 6 — 10 c.M. high. Sterile segment often placed 

 considei'ably below the middle, ovate, 2 — S'/j c.M. long, the apex obtuse oi' 

 subacute, the base broadly cuneate, narrowed into a short and broad haft. 

 Texture membranaceous; veins distinct, densely reticulate. Fertile spike 

 1—2 '/a c.M. long, on a slender peduncle 2'/2— 5 c.M. long. 



Timor. 



« (10) O. peduncnlosum, Be«v., Prantl, OpbiogL, 518, tab. VIII, 

 fig. 53 — 34; 0. moluccanum, Svhl., Rac, Flor. Btz., I, 4; Nat. Tydschr. Ned. 

 Ind., LIX, 236, tab. II, fig. 1; Ann. Btz., XXI, tab. XIX, fig. 153; 0. petiola- 

 tum, Hk., Exot. Flor., I, tab. LVI; — var. lanceolalum; 0. moluccanum, 

 Schl., forma lanceolata, Rac, 1. c. 237, tab. II, fig. 4. 



Rhizome cylindrical. Fronds 1 — 2, rarely 3 — 4, the whole plant + 



