AN ENTJMEEATION OF CULTIVATED FEENS. 265 



Beceptacles medial. Sori oblong, linear, simple or forked, 

 nated, often confluent. 



l|^ 



Ge ii?- 149. — Portion of fertile firond, under side. No. 1. 



* Fronds coriaceous, opaque. (Eutodea.) 



1. T. Africana, WilU.; Schh. Ml. t. 147; Sooh. Gen. FU. 



t. 46 B, f.l; Sooh. fil. Fl. Tasm. t. 168 ; Lowe's 

 Ferns, 8, t. 67. Acrostichum barbarum, Imm. Todea 

 barbara, Moore's Synop. T. rivTilaris, Sieb. ; Kuwze, 

 Anal. t. 4. T. Anstralasioa, A. Ounn. — South Africa, 

 Australia, Tasmania. 



** Fronds membraneous. (Leptopteris.) 



2. T. hymenophylloides, Mich. Voy. d' Astrolabe, 1. 16 ; Hooh. 



Gen. Fil, t. 46 B, f.7; Sooh. Orn-d. Ferns, t. 54. 

 Leptopteris hymenopbylloides, Presl. Todea pellucida, 

 Carm. ; Hooh. la. PI. t. 8. — New Zealand. 



3. T. STiperba, Golenso. Leptopteris superba, HooTc. Ic. Ph 



t. 910.— New Zealand. 



4. T. Praseri, SooTc. et Grev. Ic. Fil. t. 101. Leptopteris 



Fraseri, Presl. — New Holland. 



§ 2. Fxa/nmulatoB. 

 Sponmgia coriaceous, opaque, destitute of a ring. 



Obdbb II.— MARATTIACE.ffi!, Kwidf. 

 Sporangia dorsal, exannulate, ppaque, homy, genera,lly sessile, 

 distinct, or connate and forming synangia, opening by a pore or 

 longitudinal slit. 



