397 
157. Dimerodontium chlorophyllosum n. sp.; monoicum; 
repens adnatum viridissimum humore malum odorem ex- 
mittens; caulis Aliformis ramulis perbrevibus teretiuseulis 
madore turgide foliosis simplieibus vel dichotomis vage 
ramosus; folia dense imbricata saepius secunda madefacta 
laxe patula brevissima axin cochleariformi-amplectentia, 
e basi cordata latissime orbienlari-ovata obtusissima vel 
in acumen obtusatum breve parum producta integerrima 
margine erecta basi solum interdum lenissime reflexa 
amoene chlorophyllosa mollia concava, nervo valde chlo- 
tophylloso latiusculo ante apicem abrupto subearinato- 
exarata, e cellulis grossiusculis rotundatis vel elliptieis 
chlorophylio saturatis interdum autem inanibus teneriori- 
bus pellueidis ubique aequaliter areolata; perich. minora 
erecta viridia vel pallida tenera e basi vaginata ovata 
longiuscula aperta vel apice convolutacea vix tenuiter 
nervosa vel enervi acutius acuminata, e cellulis teneris 
albidis submembranaceis laxiusculis vel chlorephyliosis 
mollibus prosenchymaticis reticulata; theca in ped. per- 
brevi ramulos haud superante valido rubente glabro car- 
noso erecta cylindraceo-oblonga minuta ore statu ipso 
humifacto eonstrieta mierostoma carnosa ochracea aetate 
rufescens, operculo brevissimo conico apieulato, annulo 
spurio; calyptra pallida glabra; dentes peristomii brevis- 
simi minuti 16 in crura duo inaequalia ochracea rugulosa 
lenissime remote artieulata usque ad basin fissi. . 
Patria. Argentinia Uruguensis, Concepeion del Uru- 
guay, auctumno 1875, c. fruct. maturis et deopereulatis. 
Parand, 1878. 
D. Mendozense proximum colore Iurido luteo, ramulis 
madore multo tenuioribus minus turgidis, foliis distinete 
