318 
endum singulare, formis gracilioribus Trichostomi flaco- 
virentis solum simile. 
91. Trichostomum (Eutrichostomum) umbrosum n. 8p-; 
androgynum, antheridiis in vieinia floris feminei axillari- 
bus; caulis gregarie cespitulosus pusillus simplex innova- 
tione fertili divisus; folia erispatula rigidula sordide viri- 
dia vix nitidula, madore erecto-patula brevia difficile evol- 
ventia primum incurya dein strieta, e basi breviter vagi- 
nata laxe reticulata tenera flaccida inferne emareida et 
parum ventricoso dilatatä late lanceolata obtuse acutata, 
plus minus involutacea pro more aperta, nervo validissimo 
basi infima dilatato Iuteo-virente depresso ante cavitatem 
supremam eucullatulam evanido levi, margine summitatis 
obsolete angulato -dentieulato, cellulis grossiusculis rotun- 
datis chlorophyllosis meollibus; perieh. parum longius va- 
ginata; theca in ped. brevi tenero rubente flexili erecta 
winuta angustissima eylindraceo-oblongata microstoma 
olivacea pallida membranacea dein fuseata, operculo e 
basi conica aurea in subulam longiusculam tenerrimam 
fragilem obliquam flexuosam protracto, annulo angusto 
persistente, calyptra albida membranacea thecam dimidiam 
obtegente, peristomio brevi: dentibus in crura duo subae- 
qualia remote articulata basi densius trabeculata vix an- 
gulosa apice parum cohaerentis rubra usque ad orificium 
fissis dense aggregatis. 
Patria. Argentinia Cordobensis, in rupibus umbrosis 
sylvestribus prope „der Calera‘“, Majo 1871, eum Barbula 
pseudo-cespitosa simillima. — Ad muros „einer Quinta“ 
prope Cordoba in umbra Cieuwiee, Novbr. 1870, e. fruet. 
vetustis brunneis. — Ad marginem rivuli prope Malagueiia 
cum Barbula pseudo-cespitosa, 24. Aug. 1871. — In fauei- 
