AN ENUMERATION OP CULTIVATED FERNS. 2G5 



Receptacles medial. Sori oLlong, linear, simple or forked, 

 naked, often confluent. 



Genus 149. — Portion of fertile frond, under side. No. 1. 

 * Fronds coriaceous, opaque. (Eutodea.) 



1. T. Africana, Willd. ; Schh. Fil. t. 147 ; Hook. Gen. Fit. 



t. 46 B, f. 1 ; Hook. fil. Fl. Tasm. t. 168 ; Lowe's 

 Ferns, 8, t. 67. Acrostichura barbarum, Linn. Todea 

 barbara, Moore's Synop. T. rivnlaris, Sieb. ; Kunze, 

 Anal. t. 4. T. Australasica, A. Gunn. — South Africa, 

 Australia, Tasmania. 



** Fronds membraneous. (Leptopteris.) 



2. T. hymenophylloides, Rich. Voy. d' Astrolabe, 1. 16 ; Hook. 



Gen. Fil, t. 46 B, f. 7 ; Hook. Gard. Ferns, t. 54. 

 Leptopteris bymenophylloides, Presl. Todea pellucida, 

 Carm. ; Hook. Ic. Fl. t. 8. — New Zealand. 



3. T. superba, Colenso. Leptopteris superba, Hook. Lc. PL 



t. 910.— New Zealand. 



4. T. JTraseri, Hook, et Grev. Ic. Fil. t. 101. Leptopteris 



Fraseri, Presl. — New Holland. 



§ 2. Fxannulatw. 

 Sporangia coriaceous, opaque, destitute of a ring. 



Obder II.— M ARATTIACE^l, Haul/. 

 Sporangia dorsal, exannulate, opaque, horny, generally sessile, 

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

 'ongitudinal slit. 



