400 
folia caulina madore parum recurvato-patula, e basi lata 
oblongata in subulam elongatam canaliculatam angustissi- 
mam apice ad marginem et dorsum minute serrulatam cur- 
vatam attenuata concava, nervo lato subulam omnino oc- 
capante, cellulis parallelogrammis laxiusculis superne magis 
quadratis; perich. pauca caulinis similia, sed basi vagi- 
nacea multo laxius retienlata; thecae in peduneulis teneris 
Havidis valde fliexuosis assurgentibus madore deeurvatis 
solitariae vel in eodem caule rarius plures parvae ovales 
exstrumosae leptodermae suleatae ochraceae, opereulo co- 
nico longe rostrato obliquo_rubro, annulo lato revolubili, 
dentibus peristomii dense aggregatis rubris acute trabeen- 
latis in crura bina tenerrime capillaria et densissime arti- 
eulata pallida fissis; calyptra minute basi nuda vix laci- 
niata nec fimbriata. 
Patria. Argentinia subtropica, Cuesta de Buyuyu, 
15. Majo 1873, cum Örtbostichellis et Entodontibus ar- 
borea vigens. 
Plantula tenella ex habitu C. Aexuoso affınibusque 
proxima, quoad calyptram integram autem longe diversa. 
60. Dieranum (Campylopus) humifuyum u. sp; ce- 
spites latissimi humiles lutescentes dense cohaerentes aquam 
diffieile suseipientes basi tomentosuli; canlis '/;-pollicaris, 
basi dense foliosus tomentosulus, apice ramulis brevissimis 
in comam parvam crispatam dense aggregatis, folia cau- 
lina eonferta plus minus seeunda falcata erispatula, humore 
valde patula basi vaginaceo-conferta, e basi latiuscula 
longiuseule acuminato-subulata coneava, margine erecta 
integerrima, nervo lato subulam denticulatam apice serru- 
latam dorso papillosulo-asperulam omnino oceupante, cei- 
lulis alaribus laxis albido-fuseidulis parenchymatieis planis 
