279 
Pleurocarpi II. orthocarpi. 
53. Mesonodon onustus Hpe. minor. flor. Novæ Granadæ. 
A M. onusto a differt: statura humiliore, magis prostrata, 
brevius ramosa et theca angustiore. 
Hab. Lagoa Santa, m. Dec. et Jun. leg. Warming. 
Erythrodontium Hpe., nov. gen. 
Peristomium simplex, carnosum, sanguineum, siccum erecto- 
patens, humidum in conum connivens. Dentes 16, bierures, lan- 
■ceolati, „opaci a , æque-distantes, articulato-trabeculati, longitudi- 
naliter exarati, demum fissiles. Columella membranacea, e basi 
latissima pyramidatim attenuala, longe exserta. Theca humida 
tenuiter octo-costata, sicca corrugato-plicata, exannulata, recta. 
Calyplra cucullata usque ad basin thecæ attingens, glabra. 
Adnot. Genus proprium, Pterigynandro ex habitu et con- 
structione cellularum affine, sed peristomio simplici diversum et 
Clasmatodonti subsimile; ob columellam peristomium longe supe- 
rantem Entodonti , ob thecam costatam Leucodontibus costatis (C/a- 
domnion Hook. et Wilson Fl. antaret.) accedit. Cyrtopus setosus 
Bridel plane diversus est. 
54. E . Warmingii Hpe., n. sp. 
Monoicum, humile, repens, pallide Iutescens, nitidum. Cau- 
lis depresso-adnatus, parce compressus, indistinete ramosus; 
ramis adscendentibus teretibus, julaceis, brevibus, curvatis, dense 
foliatis. Folia caulina dense imbricata, rotundato-ovata, concava, 
breviter aeuminata, margine reflexo integerrima; nervo furcato di- 
vergente, pallide lutescente fere ad medium fobi producto; cellu- 
lis alaribus quadratis multiseriatis, cæteris anguste rhombeis, 
omnibus pellucidis; ramorum folia parce angustiora, late ovata, 
sicca accumbentia, julaceo-imbricata, humida erecto-palula, cym- 
biforme-concava, muerone reflexo, in cæteris caulinis simillima; 
perichælialia firmiora, longa, arete convoluta, exteriora breviora 
late ovata aeuminata, interiora longissima, late oblongo-lanceolata 
