29 

 3. -AJL.SOPH1L.A-, «. JBroten. 



Sori globose, dorsal on a vein or veinlet or in the forking of a vein ; receptacle 

 jvated, rarely punctiform. Indusium wanting . or spuriou f s and minute and 

 en eonoipting of a aomiorbioular, inferior, lateral ooalo placod at the innor 

 io or of a circu l ar -y entire or lobed s cale or a whor l o f iibres with the 

 coptacl e in . the centre . 



Caudex arborescent. Fronds mostly large, divided ; veins simple or forked, 

 ee or very rarely joining towards the margin. Hk. Bk., Syn. Fil., tab. I, 

 J. 6; Diels, in Engl. & Prantl, Nat. Pfl.Pam., I*, fig. 83. 



Tropical, and extra-tropical in the southern hemisphere. 



Pinnulae entire, crenate or lobed to ^L-way down to the costa. (1) A. dubia.X 

 .a. Pinnulae lobed or pinnaiifid + ^j^—^j^^way down to the costa ^yu<rt Jl iT^uo'^fL^. 

 h. Main rachis naked, but sometimes rough. 



§. Sori divaricating, the higher ones nearer the main veins than the 

 lower ones, so as to form a yy. (2) A. glabra. 



$.$. Sori not divaricating, medial. (3) A. Ridleyi. 



h.b. Main rachis more or less scaly, hairy or tomentose. /«^ a-ev^ i/f j/*./j-. . 

 c. Texture ± herbaceous. 



>|c. Main rachis very densely scaly amd long-hairy. (4) A Burbidgei. 

 ;)c.>|c. Main rachis not densely scaly or hairy. 



^. Main rachis short - hairy above, othenvise naked or paloacoous. 

 Ti^^.^y^^ca^ aX^JLc^T y^/t c«^. ^(5) A. squamulata.. 

 4..4.. Mam - rachis moderately iongJiairy above, the hairs articu 

 me, mixed with long, linear scami {&) A. Margarethae. 

 c.e. Texture chdrtaceous to coriaceous. ^ i.^ >>. ■ D /<-.'«-«-»-«--' 



a. Stipes bearing 3—Q long, branched spines at the base. 



(7) A. ramispina.X 

 d.d. Stipes without branched spines ^t the base, o^ "^ '^^^ /iV.-..wv*_ 

 e. Lobes entire. Capsules intermixed with fine hairs. 



(8) A. obscura. 



e.e. Lobes crenate. Capsules intermixed with paraphyses, 



which are clavate at the apex. (9) A. commutata. 



;,«.«. Pinnulae deeply pimiatifid, often nearly to the costa, sometimes pinnate at 



thelfase^crrp^-^^^yv^&c^ ^'-"^^^--^'^ 



±. Stipes unarmed, but sometimes seabmts with minute, more or less acute warts. 



