E 
Prodromus Bryologiae Argentinicae atque regionum vicinarum. II. 115 
latum acutum strietiusculum attenuata integerrima concava obsolete 
breviter binervia, e cellulis angustissimis sed pellucide pallidissimis 
reticulata; perichaetialia majora e basi vaginacea appressa in subulam 
patulam longiusculam tenuem acutam porrecta; theca in pedunculo 
pro plantula longiusculo tenui flavido deinque rubente inclinata vel 
magis nutans minuta oblonga macrostoma, siccitate valde constricta 
arcuatula peristomio oram capsulae valde superante inferne ventri- 
cose inflata, operculo minutissimo conico; peristomium parvum, ex- 
ternum luteum, internum angustum ciliolis singulis brevibus inter- 
positis, 
Habitatio. Argentinia subtropica Tucumanensis, Siambön 
prope Tucumän Sierrae de Tucumän; Cuesta de Siambön in Aliso- 
(Alni) regione, 1873: P. G. Lorentz. 
Quoad cespitulos sericeos fabronioideos tenellos atque elegantiam 
partium omnium facile cognoscenda species. 
82. Taxicaulis saprophilus n. sp.; monoicus; cespites lati 
plani sed crassiuscule compacti sordide lutescentes maxime intricati; 
caulis tenellus vagus, ramis brevissimis ad basin pluries in ramulos 
divisis tenuibus sed polyphyllis; folia ramulina densiuscule imbricata 
madore patula minuta, e basi angustiore ovato-acuminata concava in 
subulam brevem acutam strictiusculam attenuata integerrima enervia, 
e cellulis densis angustis pallescentibus areolata; perichaetialia multo 
majora stricta, e basi latiuscule vaginacea in subulam longiusculam 
rectam acutam protracta pallidiora; theca in pedunculo perbrevi tenui 
rubente subnutans minutissima, e collo brevi oblonga, operculo conico 
acuto; peristomium parvum, externum luteum, internum albescens. 
Caetera ignota. 
Habitatio. Argentinia, Campo chico, in truncis arborum putres- 
centibus, Aug. 1873 cum fructibus supramaturis: P. G. Lorentz, 
Cespitibus compactulis, ramificatione brevissima vaga, foliis den- 
sius imbricatis breviter subulatis duriusculis, theca breviter pedun- 
culata minutissima facile distinguendus. 
83. Taxicaulis adflatus n. sp.; monoicus; cespites lati pla- 
nissimi veluti adflati glauco-viridissimi ditissime fructiferi intricati; 
caulis perminutus vagus, ramos perbreves exserens plumose foliosos 
simplices; folia ramulina minutissima dense imbricata madore plumose 
patula, e basi angustiore in laminam anguste oblongam breviter acu- 
minatam acutam strictam attenuata, concava integerrima, breviter 
obsolete binervia, e cellulis angustis pellucidis juventute viridibus reti- 
culata; perichaetialia e basi appressa vaginacea longe stricta subulata 
pallidissima; theca in pedunculo longiusculo tenui rubro flexili incli- 
nata vel deinque nutans minuta constricto-oblonga, operculo conico 
acuto; peristomium parvum, externum luteum, internum albescens 
angustum, 
SR 
