i SE) RE sus 
74. H. substrumiferum Hpe., Symb. VIII, 1870. 
Prope Lagoa Santa in truncis vetustis: Warming. 
75." H. Lowxense Hook., Fl. Brasil. I, pag. 84. 
Prope Rio de Janeiro: Glaziou (7076, 7189). 
76... H. lithophilum Hornsch., Fl. Brasil. T, pag. 84. 
Novo Friburgo, Serra dos Orgåos: Beyrich. 
77... H. Mundemonense Hpe. 
Monoicum, dense cæspitosum, ramosum, unciale, intense rufe- 
Scente fuscum, parce nitens.  Folia caulina concava, undique im- 
bricata, erecto-patentia, late oblongo-ovata, acuta, marginibus 
revolutis integerrima, nervo furcato brevi vel obsoleto, cellulis 
ålaribus sex rectangulis, aureis sæpe superne interruptis, basilaribus 
striatis  concoloribus, cæteris dense aggregatis, anguste parallelo- 
grammicis, in acumine anguste ovoideis, plus minusve chlorophylloso- 
Conflatis, inconspicuis;  perichætialia exteriora subrotundo-ovata 
åcuta, enervia, constructione caulinorum simillima, interiora vagi- 
nantia, oblongo-lanceolata, enervia, integerrima, basi parce laxius, 
"apice cellulis ellipticis reticulata. Seta gracilis, 9” longa, purpurascens, 
erecta, apice parce incrassata.  Theca oblique obovata adscendente 
horizontalis , rubens, deoperculata sub ore constricta, operculo pro- 
minente pallidiore subulato, thecam subæquante, subrecto; peristomii 
dentibus exter. lanceolato-subulatis, rufescentibus, apice incurvis, 
dense trabeculatis, linea verticali notatis, inter. cruribus lanceolato- 
Subulatis, erectis, lutescentibus, ciliis fugacibus. 
"Ad rivulum Mundemo prope Petropolim leg. Glaziou. 
Ex affinitate MH. Lozxensis et lithophili, differt: a priori, cum 
Speciminibus Humboldtianis comparatum, colore obscuro, foliis 
latioribug acutis, nec acuminatis, cellulis densioribus, nec perspicuis, 
Perichætialibus latioribus, externis rotundato-ovatis, acutis, interioribus 
oblonge - lanceolatis integerrimis, cellulis densioribus; ab Hypno 
g Ethophilo foliis late oblongo-ovatis, nec rotundatis longe distat. 
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