Symbolae ad Bryologiam Australiae. 333 
foliis magis remotis minoribus autem grossius serratis atque capsula 
minuta ovali (operculo conico oblique subulato) certe differt. Ad 
Richmond River Capt. Stackhouse legit 1881 (Hb. Melbourn.) for- 
mam foliis magis remotis. 
6. Rhizogonium (Plumella) sinuatum n. sp.; cespites lati 
laxissimi pallide lutescentes; caulis pollicaris simplex elegantissime 
frondosus flexuosus plumosus basi nudiusculus vel foliolis minutissi- 
mis remotis obtectus angustus; folia disticha siccitate atque humore 
patentissima remotiuscula tenera, e basi valde rotundato-angustiore 
in Jaminam Jlatiuscule oblongam acuminatam, apice plus minus 
sinuato-excisam parce dentatam vel inaequaliter acuminatam pro- 
ducta, limbo pallido crasso apicem versus diminuto paulisper revo- 
luto ubique circumeincta, nervo pallido limbo crassiore in aristam 
breviusculam pungentem strictam excedente calloso-exarata, e cel- 
lulis grossiusculis rotundis in membranam diaphanam scariosam veluti 
incrassatis eleganter areolata. Caetera speranda. 
Habitatio. Nova Seelandia, insula australis, prope Greymouth 
litoris australis: Rich. Helms 1885. 
Rhizogonio aristato Hpe. proxima, sed haecce species raptim 
recedit statura multo minore, foliis multo minoribus tenuissime lim- 
batis et aristatis. Habitus Rhizogonii Novae Hollandiae, sed 
haecce species folia nec limbata habet. 
7. Rhizogonium (Eurhizogonium) alpestren. sp.; cespites 
latissime decumbentes sordide lutescentes valde intricati; caulis sub- 
capillaris in ramulos capillares stolonaceos teneros multos divisus; 
folia caulina disticha minuta laxe imbricata, e basi breviuscula angusta 
spathulata in laminam ovato-acuminatam tenerrime serrulatam acutam 
planiusculam producta, nervo angusto pallido supra medium evanido 
exarata, e cellulis pro foliolo grossiusculis rotundis in membranam 
luteolam veluti conflatis arcolata. Caetera ignota. 
Habitatio. Tasmania, Mt. Wellington: Kaysser in Hb. Mel- 
bourne 1883. 
E minutissimis generis. 
8. Rhizogonium (Spiridentella) Helmsii C. Müll. in 
sched. 1885; speciosum spiridentoideum robustum e viridi lutescens 
vel aetate ferrugineum, surculis multis e tomento brunneo communi 
socialiter egredientibus basi nudiusculis apicem versus robuste folio- 
sis flexuosis caudatis apice plus minus secundis vel falcatis parce 
dichotomis 3—6-pollicaribus; folia caulina longa angusta setacea 
laxe conferta vel remotiuscula, e basi truncata in laminam latiuscule 
lanceolato-acuminatam loriformem producta, nervo crasso ferrugineo 
in subulam longiusculam excedente calloso-exarata, margine ubique 
fere lamelloso-incrassata, ad partem inferiorem minutius duplicato- 
