' 
279 
Pleurocarpi II, orthocarpi. 
53.  Mesonodon onustus Hpe. 8, 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 46, bicrures, lan- 
ceolati, ,,0pacif, æque-distantes, articulato-trabeculati, longitudi- 
naliter exarati, demum fissiles. Columella membranacea, e basi 
latissima pyramidatim attenuata, longe exserta.  Theca humida 
tenuiter octo-costata, sicca corrugato-plicata, exannulata, recta. 
Calyptra 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 (Cla- 
domnion Hook. et Wilson Fl. antarct.) accedit.  Cyrtopus setosus 
Bridel plane diversus est. 
54. E. Warmingii Hpe., n. sp. 
Monoicum, humile, repens, pallide lutescens, nitidum. Cau- 
lis depresso-adnatus, parce compressus, indistincte ramosus; 
ramis adscendentibus teretibus, julaceis, brevibus, curvatis, dense 
foliatis.  Folia caulina dense imbricata, rotundato-ovata, concava, 
breviter acuminata, margine reflexo integerrima; nervo furcato di- 
vergente, pallide lutescente fere ad medium folii producto; cellu- 
lis alaribus quadratis multiseriatis, eæteris anguste rhombeis, 
omnibus pellucidis; ramorum folia parce angustiora, late ovata, 
sicca accumbentia, julaceo-imbricata, humida erecte-patula, cym= 
biforme-concava, mucrone reflexo; in cæteris caulinis simillima; 
perichætialia firmiora, longa, arcte convolutay exteriora breviora 
late ovata acuminata, interiora longissima, late oblongo-lanceolata 
