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102. Hypnum (Sigmatella) herpetium n. sp.; monoicum; pygmaeum repens appressum lutescens 

 nitiduluni, ramulis brevissimis compressis tenuibus plumose foliosis pinnatulum; vage ramosum, rigidulum; 

 folia caulina erecto-patula vel patentia, e basi truncatula cellulis alaribus vix ullis minutissimis praedita 

 fibrosulä angustissime oblongo- acuminata, acumine acutissimo flexuoso terminata, minuta denticulata veluti 

 striatula, e cellulis incrassatis elongatis angustis subscariosis lutesceutibus papillis singulis tenerrimis madore 

 obsoletis obtectis areolata: pericb. multo majora lätiora, e basi vaginatula löngissime flexuose acuminata 

 denticulata; theca in ped. longiusculo rubro flexuoso glabro nutans minuta, urceolato-ovalis constricta. 



Patria, Tutuila, inter alios muscos. 



Hypno tenuiseto simile, sed liaecce species statim dilfert foliis setaceis longioribus horridis remotis 

 et theca liorizontali. Ad Hypna reptantia accedit. 



103. Hypnum (Sigmatella) tenuisetum Sulliv. in Exped. Wilkes Musi p. 14 t. 13. — Pedunculo 

 glabro; monoicum. 



Patria. Samoa-insulae, Tutuila, inter alios muscos. [Ibidem: Wilkes, Powell.] 



104. Hypnum (Sigmatella) Ortkothecium n. sp.; dioicum; pusillum longe repens vage ramosum 

 tenerrimum pallescens, ramis teneris flexuosis plumulose Miosis saepius tenuissime filiformi-attenuatis; 

 folia caulina laxa vel remotiuscula patentia setacea, e basi angustissime oblonga latere unico complicata 

 involutaceo-subulata, subula acuta tenuissima recta, obliqua vel semitorta, superne obsolete denticulata, e 

 cellulis angustissimis elongatis pallidissimis tenerrime seriatim punctatis areolata enervia, cellulis alaribus 

 destituta: pericb. e basi late vaginante laxius reticulatä in subulam longissimam tenerrimam protracta, 

 integerrima; tlieca in ped. tenui rubro glabro flexuoso pro plantulae magnitudine elongato erecta, mimitissime 

 cylindrico-oblonga truncata ore parum constricta; peristomii minuti dentes ext. angusti parum rugulosi lutei' 

 int. lutescentes, ciliis singulis brevibus. 



Patria. Samoa-insulae, Tutuila, inter alios muscos. 



Hypno Bqrbonico habitu simillimum, sed foliis seriatim punctatis fructibusque erectis jam diversum. 



105. Hypnum (Sigmatella) stigmosmn (Mitt.) C. Müll. — Pedunculo glabro; monoicum. 

 Trichosteleum sügmosum Mitt. 1. c. p. 182. — Hypnum päpülatum Sulliv. in Wilkes Exped. hinsei, p. 17. 

 Patria. Samoa-insulae, Tutuila, inter Hypnum tenuisetum Sulliv., et in insulae Upolu regione 



montana. Fidsclii-insulae, Ovalau, in reg. montana. [Upolu, Matafao, 1000 ped. altum: Powell. Mitten.] 



10(3. Hypnum (Sigmatella) rentrifolium n. sp.; monoicum; caulis prostratus gracilis elongatus in 

 flagellum attenuatus, irregulariter et bre viter pinnatus, decoloratus albescens nunquam nitidulus, compressus; 

 folia. madore et siccitate dense imbricata erecto-conferta parvula, e basi longiuscula tenerrima valde constricta 

 cellulis alaribus paucis elegantibus aureis et li^^alinis minutis sed distinetissimis praedita veluti stipitatä 

 subito valde ventricose vel coelüeariformi-ovata, acumine brevi obliquiusculo acuto terminata, superne eroso- 

 denticulata, margine distinete erecta, baec latiora profunde coneava illa multo angustiora planiora, enervia, 

 e cellulis angustissimis elongatis tenuibus seriatim punctatis subscariosis areolata; pericb. e basi vaginante 

 löngissime acuminata erose denticulata. Caetera ignota, 



Patria, Fidscbi-insulae, Ovalau, inter Hypnum rhinophyllam intertextum. 



Species elegans, ob formationem baseos folii memorabilis, facile distinguenda, 



107. Hypnum (Sigmatella) Poweüianum (Mitt.) C. Müll. 



Hypnum (Sigmatella) Samoanum Mitt. 1. c. p. 184. Pedunculo glabro elongato, theca liorizontali et nutante ; monoicum. 



Patria, Pidscbi-insulae, Ovalau, inter Mniaäelphum Graeffeanum. Samoa-insulae, Upolu, in 

 regione litorali. [Upolu, ad arbores, 2000' altum: Powell. Mitten.] 



Obgleicb diese Art von Mitten in der montanen Kegion angegeben wird, wäbrend die Grraeffe , sclien 

 Exemplare aus der Litoralzone stammen, so bezweifle icb doch nicht ihre Identität, und habe Grund, 



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