393 
minora integriuscula vel aetate remote dentata, ehlorophyllo 
dense repleta viridissima mollissima; perich. omnium 
maxima e basi late vaginata tenerrima laxe reticulata 
enervia apice veluti exciso dentibus nonnullis grossis 
erectis truncatula serrata, acumine hbrevi retieulato ter- 
minata pellueidissima; theca in ped. brevi ereeta physco- 
mitrioideo-ampullacea brevis maerostoma ore ceilulis cal- 
lum latum sistentibus minoribus eireumdueta, opereulo 
tenero eupulato-conico, dentibus 8 bigeminatis latis rubustis 
erectis bumore deplanato-conniventibus fuseis linea longi- 
tudinali vix fissiles. 
Patria. Argentinia Uruguensis, Arroyito del Palmar, 
in summitatibus Palmarım, Febr. 1876. 
Quoad thecam physeomitrioideo-ampullaceam (sed mi- 
norem et minus macrostomam) Fabroniae physcomitriocarpae 
aliquantulum similis, sureulis multis robustioribus foliisque 
autem magnis toto coelo diversa species, inter omnes 
eongeneres hucusque cognitos robustissima, ob folia lata 
ad Schwetschkeas accedens. Flos masculus minutus 
globosus in ramulo solitarius, foliis minutis e basi convo- 
hutacea latiuscula ovata grosse serrata subito fere brevis- 
sime acuminatis. 
155. Fabronia (Eufabroma) physcomitriocarpa n. sp.; 
monoica; pusilla cespitulosa sordide virens intricata, re- 
pens, ramulis brevissimis subnoduloso ramulosis confertis 
turgidulis; folia caulina erecto-eonferta partim secunda, 
madore patula, robustiuseula, e basi angustiore latinseule 
ovata, in acumen plus minus elongatum reticulatum cel- 
lula terminali elongata subhyalina acuta coronatum pro- 
ducta, carinata, nervo dissoluto breviuseulo saepius veluti 
obsoleto exarata, margine supremo dentibus robustis inae- 
