287 
Peristomium duplex, dentibus lanceolato-subulatis, dense trabe- 
culatis, Iatere hamatis, linea media notatis, rubris, apice piliforme 
acuminatis, torulosis, pallidis, siccis incurvis; inter. membrana 
lutescens, cruribus carinatis, piliforme acuminatis, ciliis binis, 
basi connatis, filiformibus, paulo brevioribus, hyalinis interpositis. 
Calyptra pilosa. 
Hab. Lagoa Santa in truncis vetustis, m. Maio fr. (War- 
ming). 
Differt ab H. elegantulo colore pallido, mollitie, foliis minus 
squarrulosis, magis pellucidis, magis distiche patentibus, thecæ 
basi obtusa sine collo. 
Antheridia non vidi. 
74. Chryso-Hypnum acrorhizon Hornsch. Fl. Bras. 
In vicinia Rio de Janeiro leg. Glaziou. 
75. Chryso-Hypnum Simorhynchum Hpe., n. sp. 
Monoicum, late expansum, subdepressum, ramosissimo- 
intricatum, lutescente nitidum. Caulis radiculis purpureis radi— 
cans, pinnatim ramosus, gracilis, ramisque brevibus, simplicibus, 
plus minusve compressis, squarruloso-foliatis. Folia caulina ma¬ 
jora, squarroso-patula, concava, e basi cordata, Iatere impresso- 
plicata, late ovata, lanceolato-subulato-acuminata, interdum flac- 
cide plicata, cellulis prominentibus acutis denticulata; nervis binis 
inæqualibus, unico sæpe ad medium folii producto; cellulis alari— 
bus angulatis, subpentagonis, latioribus, parce incrassatis, pellu¬ 
cidis, cæteris dense aggregatis, anguste parallelogrammis, nodulis 
splendenlibus lucidis inlerruptis, diaphana; ramorum minora et 
angustiora, ovato-lanceolata, subdenticulata, in cæteris caulinis 
simillima, minus diaphana; perichætialia erecto-patula flexuosa, 
pallida, exteriora breviora, ovato-acuminata, interiora elongata, 
ovato-lanceolata, loriforme acuminata, vel subulata integerrimata; 
nervis obsoletis, cellulis basilaribus lutescentibus angulatis, sub- 
quadratis, cæteris parallelogrammis, minus nodulosis, laxioribus 
Iævioribusque, in acumine conflatis. Seta adscendens rubra, 
usque uncialis apice inclinata. Theca fusco-rubra, pruinata; 
