50 Carol. Muller. 



culata in acumen angustum plus minusve reflexum attenuata minora; 

 theca in pedunculo longiusculo tenui flavo deinque rubente substricto 

 parva nutans arcuato-oblonga, madore inclinata ovalis regularis, oper- 

 culo e basi conica in rostellum rectum protracto; peristomii dentes 

 externi rubiginosi incurvo-subulati, interni aurantiact imperforate ciliis 

 solitariis breviusculis teneris. 



Habitatio. Brasilia, Rio de Janeiro, Restinga de Maua, in sylva 



palustri, Aug. 1897: E. Ule, Coll. No. 1941. 



143. Plagiothecium Restingae n. sp.; monoicum; cespites 



lati depressi afflati teneri intricati pallide virides; caulis decumbens 



vagans in ramulos varie longos teneros complanatos lepidopilaceo- 



foliosos divisus; folia caulina laxe disposita remotiuscula tenera 



madore patenti-patula parva, e basi fibrosula decurrente angustiore 



oblonge vel ovate acuminata subulata obliqua integerrima, ad mar- 



ginem latere unico anguste revoluta, enervia, e cellulis perangustis 



pellucidis reticulata ; perichaetialia e basi perbrevi appressa vaginacea 



in laminam strictam anguste acuminatam subulatam attenuata; theca 



in pedunculo longiusculo tenui flexuoso flavo-rubente minuta inclinata, 



e collo perbrevi distincto arcuato-oblonga madefacta ovalis regularis, 



operculo e basi planiuscula protuberante breviter rostellato; peristomii 



dentes rubiginosi, externi angusti breviter incurvo-subulati (ut in 



Plagioth. bromeliophilo) parum cristati, interni imperforate ciliolis 



solitariis brevibus interjectis. 



Habitatio. Brasilia, Rio de Janeiro, Restinga de Maua, in sylva 

 palustri ad truncos arborum putridos, Julio 1896: E. Ule, Coll. 

 No. 2144. 



Plagiothecio bromeliophilo proximum, foliis caulinis obliquis 

 patenti-patulis et perichaetialibus angustissimis acuminato-subulatis 

 recedens. 



Var. tenue; surculus tenuis pallidissimus, peristomii dentes ex- 

 terni magis subulati, ciliolis binis in unum coalitis hyalinis interjectis. 

 PI. proximum C. M. in Ule Coll. No. 1940. 



Habitatio. Nova Friburgo, in Capoeira, 1000 m alt., Aprili 

 1895: E. Ule lg., dedit 1898. 



144. Plagiothecium aurantiacum n. sp. ; monoicum; cespites 

 lati depressi afflati valde intricati e pallido leviter aurantiaci; caulis 

 decumbens basi in ramulos longiusculos flexuosos angustos vel bre- 

 viores divisus; folia caulina laxe disposita madore lepidopilaceo-recurvo- 

 patula, e basi fibrosula latiuscule ovato-acuminata plus minusve falcato- 

 subulata integerrima enervia tenera, aetate intensius aurescentia flac- 

 cida pseudo-plicata, margine erecta, e cellulis angustis longiusculis 

 reticulata; perichaetialia e basi appressa vaginacea in acumen longe 

 subulatum patulum attenuata strictiuscula parum minora; theca in 

 pedunculo longiusculo rubente parva nutans arcuato-oblonga madore 



