376 ADDITIONS, CORRECTIONS, ETC. 
(Page 158.) Isoetes, sp. ? 
This may be a plant which Professor Braun has described as Zsoefes humilior, Muell., of Victoria (Linnea, 
vol. xxv. p. 722), and which Mueller informs me grows in the lowland waters of Tasmania, and of which his 
I. elatior is probably a variety. Both seem too closely allied to 7. lacustris, L. 
(Page 159.) Pilularia g/obu/ifera, L. | 
Professor Braun has described a P. Nove-Hollandie from Australia, to which this may be referable, but Dr. 
Valentine, who made a complete study of the British species (and published an admirable account of P. globulifera 
in the Linnean Transactions), assured Mr. Archer that the Tasmanian species differed in no particular from the 
English. 
Various Tasmanian and Australian Characee are described by Braun in the Linnea, xxv. p. 704. 
(Page 170.) After D. angustifolium insert— 
Dicranum tenuifolium, Hook. fil. et Wils.; Fl. Antarct. t. 152. f. 7. 
Has. Rocks behind Cumming's Head, Western Mountains, Archer. Found also in Fuegia and the 
Australian Alps. 
(Page 176.) In place of Tortula mnioides ?, read— 
Streptopogon mnioides, Mitten. 
Fertile plants of this curious Moss, gathered in Chili by Lechler, have the calyptra large and mitriform ; in 
other respects they agree well with Schwaegrichen’s figure. The cylindrical capsule is supported on a seta about 
one-third of an inch long; the peristome is that of Tortula. This species is very closely allied to S. erythrodon, 
found in Peru by Professor Jameson, 
(Page 184.)— 
6. Macromitrium asperulum (Mitten); dioicum, M. Archeri statura simile ; caule elongato repente, 
ramis brevibus cespitem densum formante, foliis densis patentibus siccitate incurvatis angustis, inferioribus 
e basi anguste elliptiea paululo latiore loriformi-ligulatis apice obtusis, superioribus acutioribus acutatis 
nervo in apiculo brevissimo excurrente carinatis, marginibus ob papillarum prominentiam ubique asperulis, 
cellulis basi pro spatio brevi latitudinem folii paululum excedente elongatis angustis inde ad apicem 
quadrato-rotundatis distinctis papillosis, perichetialibus brevioribus sensim acutis, theca in pedunculo 
circiter trilineari ovali, collo sensim attenuato, ore intensiore colorato plicato, operculo conico-acuminato, 
calyptra nuda straminea, apice fusco. 
Has. On trees, Lawrence and Gunn. Found also in New Zealand, near Wellington, Stephenson, 
and elsewhere, Knight and Lyall. 
Whole plant of an intense ferruginous-brown colour, more densely cespitose than M. Archeri, with leaves of a 
different form and substance, as well as with erose margins. From M. lingulare, Mitten in Journ. Linn. Soc. ined., 
a New Zealand species, which has also a naked calyptra, it differs in its greater size, in the form of its leaves and of 
- the cells of which they are at the base composed. There does not appear to be any peristome. 
The Tasmanian examples of this species have been, in the Herbarium of Sir W. Hooker, referred to M. mi- 
crostomum, Hook. et Grev.; a rare Moss gathered also in New Zealand by Stephenson, but this last is in reality a 
totally different species, allied to M. longipes, Hook., and to M. Reinwardtii, Schw. This error appears to have 
arisen from the accidental sticking down on the same paper with the original a very small specimen of M. mi- 
MN and of a small specimen of another species very nearly allied to M. prorepens, Hook., M. erosulum, 
Mitten in Journ. Linn. Soc. ined., having a pilose calyptra and the margins of its leaves erose. The M. microstomum, 
therefore, of the * Flora of New Zealand,” is a compound of M. asperulum and M. erosulum, species closely related to 
M. prorepens, but with no near affinity to the original M. microstomum. 
