362 ON A NEW ASPLENIUM FROM CAPE COLONY. 
originate two auxospores, which do not lie patella with the former, 
hem. Th 
but at right angles to t ey grow also in a direction different 
from the Cymbellee. In the case of the Eunotia au a single spore is 
usually for 
med. 
The distinction between the Oymbellee and Amphore, founded on the 
of Itzigsohn, in conflict the observations above referred to, be con- 
firmed, namely, that in inn Y Epihenis the mother-cells and auxospores 
lie paralle 
The process of spore-formation, according to Thwaites and Smith, is as 
follows :— Each primordial mother-cell Ürtowa out two protuberanees, 
kim increase towards one another until they finally join, and ultimately 
nite between the parted valves of the mother-cells. According to 
ovn the parting " the valves of the mother-cells precedes the 
copulation. 
ON A NEW ASPLENIUM FROM CAPE COLONY. 
Bx J. G. BAKER, F.L.S. 
In the * Synopsis Filicum Afrieze Australis,’ of Pappe and Rawson Asple- 
nium Ruta-muraria is given as a native of the colony on the faith of a 
couple of oe = by the Hon. R. W. Rawson, one of the 
authors, now the rnor of Barbadoes, in “the crevices of rocks at the 
summit of the aba Mountain, in March, 1857. This isa cou- 
siderable extension of the known geographic range of the plant, which 
otherwise would be restricted to the north temperate zone. When dealing 
with the Aspleniums in Synopsis Filicum,’ I had not access to a specimen, 
and so of course accepted the plant as the true 4. Ruta-muraria, as has 
been done by Moore, Kuhn, and others. Now, thanks to the kindness 
of Sir Henry and Lady Barkly, I have had the opportunity of studying 
type specimens of a large Meis of the doubtful plants of the above- 
mentioned work, and I have no hesitation in regarding the plant as dis- 
tinct specifically from ánytbia that ave seen before or can fin 
ecorded, and take, therefore, the present opportunity of placing its 
characters on recor 
aker, n. sp. (section dd caudice erecto, 
coriaceis parvis glabris deltoideis pina cae oppositis vel alternis 
non maximis deltoideis, pinnulis 3-5 contiguis obverse deltoideis 1n- 
structis, extrorsum crenatis, venis S flabellatis exsculptis, soris 
line earibus, demum confluentibus faciem totam pinnularum margini We 
exceptis occupantibus, A. Ruta-muraria, Pappe & Rawson, Syn. Fil. 
ifr. Austr. p 20, non Linn. Station as above stated. Caudex es 
au 
sai quite cis of pom or scales, bright cheetnnt team 
passing into greenish at the v s mina 2-3 inches long, sub- 
deltoid, Vabeoriaceóói d in letite, qu glabrous on both sides, bipinnate 
