CC CONGRES DE BOTANIQUE TENU A PARIS EN AOUT 1880. 



Chiloscyphus scaberulus Spruce n. sp. 



Dioica^ proslrata; albicans, caule sesqiiipollicari paruin ranioso, sub- 

 acquifolialo. Folia patenlissima, paiilo imbricata, opposita (baud con- 

 nata), oblique ovato oblonga, rotundata vel subtruncata concavula; eel- 

 lulcE majusculic^ suboblongse, punctis creborrimis subopaca) et scabc- 

 rula}, marginales minoros rolundo-qundrata}, omiies ad angulos paruin 

 incrassalsc. Foliola Iriplo breviora, basi sublibera. biparlila, segmenlis 

 lanceolalo-subulatis aculis. Flores (^ ainentis minulis poslicis conlenti ; 

 bf^aetece 0-juga3 orbiculalse concava) tcnerrima^ monandra}. — Folia 

 1*6 X I'OS, cellulce j*^; foliola "55 X '5 mill. 



Hab. Prope Rio Janeiro^ in truncis eniortuis (Glaziou, n" 9009). 



Plagiochila Trichomanes Spruce n. sp. 



Caiilcs e caudice repente sesquipollicares, simplices, raro ramum 

 proferenles. Fo/?a viridia, subplana, patenlissinia, subcontigua lineari- 

 oblonga ligulatave, rotundata, parum docurrenfia, margine antico leviter 

 recurvulo vel piano, integerrima, postico superne apiceque dentata, den- 

 tibus 3-10 (plerumque sub C; late subulalis; celhike parvula} subcon- 

 formes, incrassalione angulari conspicua. — Folia 2'5 X 1*0, eel- 

 lulcB ^ mill. 



Hab. Rio Janeiro (Glaziou, n« 9203). — Facies fere Asplcnii Tri- 

 chomanis minoris. 



r 



Plagiochila Thamniopsis Spruce n. sp. 



Dioica, flavicans, caulibus e caudice repeute ortis, dendioideis, 

 3-pollicaribus, diinidio infero simplicibus, supero ramosis, di-lricho- 

 tomo-decoinposilis. Folia subopposila, subimbricata, pateiilia, oblique 

 vel subsemi-ovata rotundata, interdum e dente terminali ad spcciem api- 

 culata; margine antico decurreute recurvo inlegerrima vel sub apice 

 unidentata, ad angulum 50° e caule exslante; postico supra medium 

 apiceque in^qualiter dentata, dentibus omnibus sub 8; celluhe medio- 

 crespelluciilae, suboblongte, ad angulos minute \ncrasssi\ai. Avientac^ i^ 

 ramis lerminalia ovoidea. — Folia 2-5 X I'l, cellulw ^ mil'- 



Ilab. Frope Rio Janeiro (Glaziou, n° 9198). — N" 9198 o^ robuslior 

 est. Folia magis imbricata, utrinque decurrcn!i-amplexaiitia, caulina 

 basi latiora (S-SX^'G) margine antico revolula l-i2-deutato^ poslico 

 fere a basi dentata, dentibus omnibus ad 15, 



