øl Da LE pE HEELS ER SEERE E5 5 sr seng 
mere 
iz 3 ra Få arne 5 Us SERGE seerne 
z 
- 
53 
61.  Polytrichum Brasiliense Hpe., nova species, 
Elatum pedale adscendens basi subnuda acrescendo-folia- 
tum simplex. Folia accumbentia dense imbricata, humida erecto- 
patentia longissima fere uncialia e basi longe vaginante oblonga 
integerrima, cellulis lateralibus linearibus elongatis pallide Iute- 
scente pellucida ad latera nervi minime lamellati latioribus an- 
guste reclangulis intensius coloratis diaphanis lamina obscura 
subito lanceolato-subulata canaliculata margine angusto versus 
apieem folii remote spinuloso-dentata acumine breve hyalino ar» 
gute dentata, dentibus hyalinis dorso scabris; perichætialia longe 
vaginantia erecta fere uncialia, interiora tota hyalina nervo striato 
percursa tenerrime reticulata, vel toto margine membranacea pel- 
lucida, apice hyalina indistincte denticulata nervo lamelloso per- 
cursa.  Seta 3-uncialis: pallide spadicea apice afttenuata erecta, 
Theca tetraedra cuprea leptoderma. oblonga apophysata subhori- 
zontalis, apophysi margine reflexo distincta, operculo margine 
tumido convexo intense rubro, interne concavo planiusculo, api- . 
culo tetragono crasso breve coronato. 
Brasilia australis;. Glaziou sub Nr. 5199. 
Polytricho communi, formæ majori simile, sub lente foliorum 
apicibus hyalinis: folia breviter pilifera — etiam margine angusti- 
ore dentibus spinulosis remotioribus hyalinis differt, 
62.  Polytrichum subgracile Hpe., nova species, 
Subgracile adscendens strictiusculum simplex 4-pollicare, 
basi attenuatum purpurascente tomentosum, superne parce incras- 
satum olivaceo-viride.  Folia brevia sicca accumbentia, humida 
erecto-patula, comalia conferta magis conniventia, caulina e basi 
vaginante cuneata, cellulis lateralibus lævioribus parallelogram- 
micis superioribus rectangulis quadratisque pellucido-hyalinis, 
latere nervi plani obscure diaphani anguste rectangulis isabellinis 
noduloso-interruptis; lamina parva reflexa subito anguste canali- 
”eulato-lanceolata tota nervo conflalo opaca, margine remote den- 
tata, dentibus pallide sanguineis apice folii approximalis, dorso 
