II- IMA.TO]>fIA^CE.4.E. 



Key to the genera. 



Fronds pedate-flabellate. No. 6ffl. llatonia. 



Fronds sympodially branched. No. 66. Pbanerosorii^. 



tS«- M:A'T0IMA5 J6. Brown. 



Fronds erect, stout, forked; primary branches giving off several 

 pinnatifld pinnulae on the upper (inner) side only, the lower side 

 unbranched; veins free except that the sori are borne where a number 

 of veinlets converge. 



Malayan. 



•J- Ultimate segments eredo-patent^ falcate^ acute. (1) M. pectinata. 



f f Ultimate segments spreading, straight., retuse or obtuse. 



[2] M. Foxworthyi. 



(1) M. peclinala, n. Sf., Christ, Farnkr. d. Erde, 335, fig. 1064; 

 Diels, in Engl. & Prantl, Nat. Pfl.fam. I*, fig. 180 A & 182: Bedd., Ferns 

 Br. I., II, tab. CLXXXVI; Bau. & Hk., Gen. Fil., tab. XLIII. 



Stipes stout, erect, to + 2 m. long. Fronds fan-shaped. Pinnulae 

 linear, the terminal ones mostly the shortest, the basal ones the longest, 

 to + 45 cm. long, cut down nearly to the costa into numerous linear 

 or linear-oblong, erecto-patent, falcate or subfalcate, acute lobes to + 2 

 cm. long and 5 mm. broad, dilated at the base. Texture very rigid, 

 fragile when dry; costules distinct; veins simple or forked. Sori soUtary 

 at the base of the lobes or placed in 1 row on each side of the costules, 



