424 
with reference to which he writes 1 : — »When several such half 
intercalary sporangia occur in a row at the apex of an assimilative 
filament then they apparently form one single ramified sporangium. 
The separate sporangia of which this system is composed ripen 
in the meantime in basipetal succession and are emptied separately«. 
Thus, in this point these two plants exactly resemble one another, 
but otherwise, when examined more closely they prove to differ 
a good deal. 
This plant has been found on exposed coasts as an epiphyte 
on Himanthalia lorea as mentioned above. It bore plurilocular and 
unilocular sporangia in June. 
Found only on Syd.: Vaags Ejde (!). 
100. M. faeroense nov. spec. 
Another Myrionema , which I assume to be new to science, oc¬ 
curred on Rhodymenia palmata from Thorshavn associated with 
Myrionema globosum. Professor Sauvageau to whom I sent some 
preparations also said that judging from the latter he did not know 
the plant. 
Fig. 79 represents some fragments of the plant. The latter has 
a basal disc (fig. 79, g) composed of a single layer of cells whence 
spring erect, branching filaments. The basal disc, which has a 
marginal growth, has in the centre a compact layer of cells, in 
which the separate filaments can, however, be clearly traced, while 
along the margin the filaments are more or less loosely connected. 
The cells in the basal disc are sometimes longer, as much as twice 
as long as broad, sometimes almost square. The erect filaments 
arise from the cells and are either simple or ramified. The branch¬ 
less filaments bear a solitary terminal plurilocular sporangium (fig. 
79, c); the ramified filaments start at the base with a shorter or 
longer naked part and then often have a fairly large number of 
branchlets each terminating in a sporangium. The branchlets 
shorten towards the apex of the filaments, being composed here 
of one cell only, and are rarely re-branched, as e. g. is the case 
with those shown in fig. 78, a. I have only found plurilocular 
sporangia. Their form is oblong-ovate-elliptic and they are about 
40 — 80 y long and 11 —15 y broad. When the sporangium is 
1 »Naar flere saadanne halvt interkalsere sporangier forekommer paa rad i 
spidsen af et assimilationsskud, kan de tilsammen tilsyneladende danne et eneste, 
forgrenet sporangium (fig. 4—5). De enkelte sporangier, hvoraf dette system bestaar, 
modnes imidlertid i basipetal raekkefolge og udtommes hver for sig.« 
