TODEA AFRICANA.
W il l d e n o w . S c h k d h r . H o o k e r . J . S m it h .
P L .A T E I .X V I I . V O L . V I I I .
Todea riv id a ris,
Acrostichum harharum,
Todea australasiea,
S i e b e r . J. S m i t h . K u n z e .
L i n n æ u s .
A. C u n n i n g h a m .
Todea—jMamed after H. J . Tode, a German cryptogamist.
A f ricana—African.
A H A N D SO M E Osmmida-lookiiig F e rn , and closely allied to
th a t genus. I t will be seen th a t I have u n ited u n d e r Todea
A fr îc a n a the two F e rn s known as Acrosfdchum barbarum of
Linnæ us, and Todea rivularis of Sieber.
A warm greenhouse species.
Na tiv e of South Africa , Austra lia , and Tasmania.
F ro n d s bipinnatifid, coriaceous, and spreading, widest in the
middle, and o f an oval tria n g u la r form. P in næ sub-opposite.
Veins forked, venules free.
Sori n ak ed , oblong-linea r, eventu a lly confluent, th e four or
five pairs of basal segments alone fe rtile , and these are minutely
stalked.
VOL. V I II, 2 c