Æ 39 
12... Leucobryum longifolium Hpe… forma exaltata. — Nr. 5157. 
By minus —. Nr. 5191, 3309, 4520, 4521. 
13. Hymenostomum fasciculatum Hpe., nova species. 
Dioicum, dense cæspitosum, humile, rufescente viride.  Caulis 
basi simplex laxe foliatus, superne fasciculato-ramosus fastigiatus. 
Folia sicca uncinato-crispata, humida erectiuscula, inferiora bre- 
viora, comalia longiora, e hasi parce oblonga, antice constanter 
arcte involuto-canaliculato-lanceolato-subulata integerrima; - nervo 
lutescente percursa diaphano-apiculata; cellulis inferioribus' teneris 
subhexagonis lucide diaphanis, sequentibus minoribus et crassio- 
ribus, indistincte rectangulis lutescente diaphanis, in subula in- 
feriore seriatis parvis subquadrato-angulatis diaphanis, in subula 
superiore densioribus rotundatis incrassalis subopacis; perichæ- 
tialia laxe vaginantia, duo intima latiora, in cæteris caulinis 
æmulantia.  Seta erecta lutescens, caulem subæquans.  Theca 
elliptico-ovata, rubra, aurescente nitida, microstoma, evacuata 
leptoderma pallida, ore rubro ornata; operculo breve rostrato; 
theca. breviore lutescente. 
Nr. 5149 et 5164. 
: Hymenostomo Vallis Gratiæ simile, caule superne fasciculato, 
theca elliptico-ovata ore coarctata ab omnibus affinibus diversum. 
44. Trematodon reflexus C. M. Syn. — Nr. 5180. 
15. Ceratodon Brasiliensis Hpe., nova species. 
Dioicus, laxe cæspitosus, sesqui-aut biuncialis, purpurascens…" 
Caulis gracilis erectus semiuncialis diviso-ramosus. — Folia sicca 
accumbentia parum crispato-tortilia, humida erectiuscula, inferiora 
breviora ovato-lanceolata, superiora longiora uncinato-flexa atte- 
nuato-acuminata, carinato-concava margine reflexo integerrima ; 
nervo rufescente apice evanido; cellulis basilaribus rectangulis, 
cæteris quadratis minoribus, omnibus chlorophyllosis; tota folia 
rufescente diaphana;  perichætialia interiora prorsus convoluta 
latissime oblonga breve obtuse acuminata integerrima, nervo 
striato mox evanescente obscuro; cellulis laxioribus lutescentibus 
