Prodromus Bryologiae Argentinicae atque regionum vicinarum. III. 139 
e cellulis minutissimis rotundis obscuris carnosulis areolata; peri- 
chaetialia dense appressa majora in acumen tenerum longiusculum 
attenuata tenera pallida; theca in pedunculo pro plantula longiusculo 
rubente inclinata minuta, e collo brevi oblonga siccitate constricta, 
operculo parvo conico-acuto; peristomium externum lutescens, inter- 
num flavum, ciliolis singulis rudimentariis. 
Habitatio. Argentinia subtropica Tucumanensis, in alpinis 
prope Siambön Sierrae de Tucumän, Martio 1872: P. G. Lorentz. 
Caracteribus laudatis, praesertim foliolis perminutis patentibus 
occulto-areolatis carnosulis facillime cognoscenda, ex habitu Anomo- 
donti tristi similis. 
143. Pseudoleskea (OÖrthotheciella) catenulatula n. sp.; 
monoica ; cespites latiusculi planiusculi e viridi ferruginei; caulis 
capillari - filifformis rigidus in ramulos brevissimos dichotome divisus; 
folia caulina minuta dense catenulate imbricata madore patenti- 
patula, e basi angustiore ovata in laminam hastate acuminatam 
subulatam plus minus curvatam progredientia integerrima caviuscula, 
nervo tenui in subula evanescente flavido leviter exarata, e cellulis 
densis obscuris minutis rotundatis areolata; perichaetialia in calycem 
majusculum longiusculum pallidum congesta, e basi vaginacea enervi 
in subulam longam acicularem exeuntia tenera; theca in pedunculo 
breviusculo longitudinem ramulorum vix superante tenui rubente 
erecta parva cylindracea. Caetera ignota. 
Habitatio. Argentinia subtropica, in Cuesta aliqua Boliviana 
in septentrione loci Orän: P. G. Lorentz Ig. 1873. 
A Ps. catenulata capsula perfecte cylindrica jam longe distans. 
144. Rigodium Tamarix.n.sp.; caulis speciosissimus tripinnatus 
longissime profusus radicans secus axin ramos emittens bipollicares vel 
breviores vel longiores; rami speciosi ramulis remotis tenuibus lon- 
giusculis filfformibus curvato-attenuatis elegantissime remote pinnati 
leuco-lutescentes; folia omnia subsquarrose patentia vel patula, caulina 
majora e basi late hastata ad latus unicum margine valde revoluta, nervo 
subobsoleto tenui excurrente pallidissimo breviter exarata cochleari- 
formi-concava ovata raptim in subulam pugionatam curvatulam pro- 
ducta, e cellulis teneris albescentibus indistinctis subellipticis areolata; 
ramea et ramulina minora, margine asperula, e cellulis rotundis in 
membranam albam rigidam conflatis areolata. Caetera ignota. 
Habitatio. Fuegia, Hale-Bay. Hb. Horti Romani, unde bene- 
vole misit Prof. Pirotta 1885. 
Planta pulchra memorabilis, ramificatione ditissima eleganter cur- 
vata atque profusa propria. 
145. Haplocladium pseudo-gracile n. sp.; monoicum; cespi- 
tes latissimi sordide virides planiusculi intricati ditissime fructiferi; 
caulis repens, ramis simplieibus brevibus vel longioribus ramulosis 
