384 LES MOUSSES 



ku^am, elongataniy bipimuUam , mierdiim apice injlagellum parce et remote ramosum 

 productam cxpansi; rami gractles , haudvel vix complaimti, apice attenuatiy ranus 

 hreviter Jlagelliferi. Folia symmetrica^ caiilina ovata vel suhdeltoidca , plvs minus 

 snhito apictdata, inferne plana, superne alts late mjlexts convolutacea ^ Integra vel 

 suhintegra, long* i ij^y ht. 3/^ millim., casta tenui siil vel cum apice fiiicnte, 

 m Folia ramea erecto-patentia , ramulina tmhricata, multo hreviora, long. 0,63^ lot. 



Oj35 millim.y ovaia, hreviter acuminata, interdum suhito apiculata, concava, integra 

 vel sumMO minutissime denticulata, marginihus inferne planis, interdum e medio 

 smpius uno latere involutis, costa sub apice vel ad 3/5 evanida, cellulis hasila- 

 rihus majusculis, longiuscule rlwmheis, aureis, alarihus , prwcipue infoJiis caulims, 

 numerosis, tisqite ad marginem hand rotundatam productis, quadratis vel suhhexa- 

 gonisy recte seriatisy crasse limitatisy granulosis , plerumque littescenlihus, ceteris 

 inanibus vel parce chloropkyllosis ^ Imvihus, hreviter oblongo-rhomheis , 3-^-long, 

 quam lat,, apicalihus incrassatis, interdum dorso papillosulis, Flores feminei in 

 ramis et ramxdis numerosi. Folia perichwtialia intima semivaginantia , oblongo- 

 lanceolataj longc acuminata, Integra, long, i — i ij3 millim., suhlinearia, basi 

 laxiuscule reticulata, ad medium vel paulo iiJtratemdter costata. Pedicellus U millim. 

 longus, nunc strictus, nunc jlexuoso-erectus vel curvatus , pallidas , superne scahrius^ 

 cuius. Capsula intense rufa, ovalis, erecta, symmetrica, sub ore latovix angustata, 

 leviter torulosa, suhtuherculosa , long, i ij/t, lat. 3j^ milUm., operculo e hasi 

 convexa longissime et oblique rostralo. Peristomii denies infra orifidum oriundi, 

 palUde luteoli, externi aaguste lanceolati, dorso papillosuli , hand striolati , pellucidi, 

 marginihus valde eroso-irregularibiis, lo-ilt-traheculati, trahecidis parum promi- 

 nentihus; interni e mcmhrana hasilari ad i[5-i/3 dentium producta, externis paulo 

 hreviores, anguste Uneali, remote nodoso-articidati , linea angustissima huge rimosi, 

 punctulati, cilia singula, hrevissima. Sporw granulosa? , i3-ij (i crassw. 



Zone moyenne des forels: enlre Vinanitelu el Ikougo, siu' les rameaux greles des arbres 

 ( D' Besson ). 



PI. 88. — 1 (sub uom. Porotnchum scaberulum). — a a' a", fenilles caulinaires X ko. 

 b, sorametde la feuiile x 170. c, cellules moyennes marginales x 3oo. d, cellules moyennes 

 X 3oo. e, cellules moyennes juxtacostales x 3oo./, cellules alalres x 3oo. g- g' g" g'" g"", 

 feniles rameales x fxo. A,sommet de la feuilie X 170. i, cellules moyennes x 3oo. j, peri- 

 cbize X So, k k, folioies pe'riche'tlales x fio. II', capsules x ai. m, fragment de pe'ristome et 

 d'exolheque x 170. h, spores x 3oo. 



fc 



