39 
19. Leucobryum longifolium Hpe., forma exaltata. — Nr. 5157. 
B, minus. — Nr. 5491, 3309, 4320, 4591. 
43. Hymenostomum fasciculatum. Hpe., nova species. 
Dioicum, dense cespitosum, humile, rufescente viride. Caulis 
si simplex laxe foliatus, superne fasciculato-ramosus fastigiatus. 
julia sicca uncinato-crispata, bumida erectiuscula, inferiora bre- 
ora, comalia longiora, e basi parce oblonga, antice constanter 
arcte involuto-canaliculato-lanceolato-subulata integerrima; nervo 
luescente percursa diaphano-apiculata: cellulis inferioribus teneris . 
gubhexagonis lucide diaphanis, sequentibus minoribus et crassio- 
nbus, indistincte rectangulis lutescente diaphanis, in subula in- 
fore seriatis parvis subquadrato-angulatis diaphanis, in subula 
giperiore densioribus rotundatis incrassatis subopacis; periche- 
fia laxe vaginantia, duo intima latiora, in ceteris caulinis 
emulantia. — Seta erecta lutescens, caulem subequans.  Theca 
elipico-ovata, rubra, aurescente nitida, microstoma, evacuata 
lgtoderma pallida, ore rubro ornata; operculo breve rostrato; 
theta breviore lutescente. 
Nr. 5149 et 5164. 
Hymenostomo Vallis Gratie simile, caule superne fasciculato, 
lheca elliptico-ovata ore coarctata ab omnibus affinibus diversum." 
44. Trematodon reflexus C. M. Syn. — Nr. 5180. 
15. Ceratodon Brasiliensis Hpe., nova species. 
Dioicus, laxe cespitosus, sesqui-aut biuncialis, purpurascens. 
Cmlis gracilis erectus semiuncialis diviso-ramosus. Folia sicca 
tumbentia parum crispato-tortilia, humida erectiuscula, inferiora 
lrviora ovato-lanceolata, superiora longiora uncinato-flexa atte- 
mato-acuminata, carinato-concava margine reflexo integerrima ; 
MNo rufescente apice evanido; cellulis basilaribus rectangulis, 
teris quadratis minoribus, omnibus chlorophyllosis; tota folia 
Wfscente diaphana;  perichztialia interiora prorsus convoluta. 
litissime oblonga breve obtuse acuminata integerrima, nervo 
Sato mox evanescente obscuro; cellulis laxioribus lutescentibus 
