2 
majora longiora hasi pro parte longiore colorata, costis binis Na- 
vidis obsoletis longiusenlis distinete nervosa, e cellalis vermifor- 
mi - ellipticis inferne permultis anguste reetangularibus valde pa- 
chydermibus fuscatis areolata, alaribus carentia; theca in 
ped. brevi erasssiusculo purpureo flexnoso superne aspe- 
rnlo erecta, eylindrico-oblonga humore leviter curvula, undi- 
que asperula brunnea, operculo supra orifieinm constrietum 
tumide conico ohlique rostrato rubro levi, calyptra glabra; 
perist. d. ext. generis, int. lati longi opaculo-Autescentes im- 
perforati. - 
A Rh. rufo simili pedunculis et thecis scaberulis, a Ah. 
stricto (Maerohymenio Br. Jav.) atque Rh. Mülleri (Macro- 
bymenio 1. c.) theca asperula jam differt. Hahitus Pterogo- 
ni (Saulomae Wils.). Androecinm sub flore femineo basilare 
minatnm paucifolum, paraphysibus fere carens. 
11. Chionostomum n. gen. 
Peristomium duplex: dentes externi nivei 16 erecti lan- 
ceolato-subulati Zrabibus diaphunis dimidiatisfalternanti- 
bus biseriatim cristati; interni: membrana_brevis; dentibus 
erternis adhaerens, processibus rudimentarüs, eilüis 16 
capilaribus tenerrimis erectis fugacibns liberis niveis dentes 
externos longitndine subaequantes. — Habitus hypnaceus, theca 
eylindracea longirostrata ntrinque attenuata ob pedunculum de- 
fiexam inclinala, calyptra brevi tenerrima dimidiata. 
1. Ch. rostratum C. Müll. Neckera rostrata Griff. Posth. 
Papers, p. 456. 1.87. £. 1. — Stereodon rostratus Mitt. 
Muse. Ind. or. p. 10%. 
Patria. Khasiya, reg. montosa temperata in sylvis ad 
Myrung (5940) supra Pinum frequentissimum: Griffith; in 
iisdem locis: J. D. Hooker et T. Thomson Muse, Ind, 
or. Nr. 779, 1029, Ceylon: J. Nietner inter Hepaticas valde 
commixtam legit. 
