270 
Hab. Lagoa Santa, in silvis ad terram; m. Mart. (War- 
ming). Ob thecam urceolarem, siccam corrugato-striatam memo- 
rabilis. 
Leucobryaceæ. 
10.  Octoblepharum albidum Hedw., forma compacta. 
Ad Porto d”Estrella prope Rio de Janeiro, m. Maio 
et ad Lagoa Santa m. Julio, in truncis leg. Warming. 
44. Leucobryum angustum Hpe., n. sp. 
Humile, dense pulvinatum, siccum et humidum concolor al- 
bidum.  Folia dense imbricata subrecta, e basi angusta oblonga 
canaliculato-attenuata, lanceolata, brevia, cucullato-apiculata, limbo 
angusto tenerrimo, cellulis parallelogramicis, rmmaxime hyalinis 
3—4-seriatis basi circumdata, cellulis infimis rufescente fuscis, 
in medio folii exacte rectangulis hyalinis, lateralibus teneris qua- 
dratis. 
Hab. Lagoa Santa, in truncis, m. Julio sterile leg. 
Warming. 
Obs. A Leucobryo longifolio forma condensata minore, 
foliis angustioribus, limbo 3—4-seriato, (in L, longifolio 6-seriato), 
toto habitu angustiore differt, 
42. Leucobryum Gardnerianum C. M. Syn.Il, pag. 85. Syn. 
Ochrobryum Gardnerianum Mitten, 
— Priori simile sed rigidius, foliis sæpe apice rhizopboris 
(L. phyllanthum Lindbg.), obtusioribus, cum angustioribus acutis 
commixtis. Ob cellulas plus minusve rufescentes, humidas in 
ochraceum mutatas, a L. angusto diversum; etiam adhue sterile 
notum. A Schistomitrio obtusifolio C. M. structura interna 
distat. 
Hab,. in vicinia Rio de Janeiro (Glaziou No. 3309). 
43.  Leucobryum longifolium Hpe., C. M. Synops. 
Syn. Dicranum megalophyllum flor. Brasil. 
