Portion of Frond, barren and fertile— under side- 



TODEA AFRICANA. 



WlLLDENOW. SCHKUHR. HOOKER. J. SMITH. 



PLATE LXVII. VOL. VIII. 



Todea rivularis, 

 Acrostichum barbarum, 

 Todea Australasica, 



Sieber. J. Smith. Kunze. 



LlNNiEUS. 



A. Cunningham. 



Todea — Named after H. J. Tode, a German cryptogamist. 

 Africana — African. 



A handsome Osmunda-looking Fern, and closely allied to 

 that genus. It will be seen that I have united under Todea 

 Africana, the two Ferns known as Acrostichum barbarum of 

 Linnaeus, and Todea rivularis of Sieber. 



A warm greenhouse species. 



Native of South Africa, Australia, and Tasmania. 



Fronds bipinnatifid, coriaceous, and spreading, widest in the 

 middle, and of an oval triangular form. Pinnae sub-opposite. 



Veins forked, venules free. 



Sori naked, oblong-linear, eventually confluent, the four or 

 five pair of basal segments alone fertile, and these are minutely 

 stalked. 



VOL. VIII. 2 C 



