276 Beiträge zur Flora von Afrika. XIV. 
pauce ramulosis; folia sicca imbricata, humida erecto-patentia, concava, 
elliptica vel oblongo-elliptica, anguste acuminata, marginibus erectis, 
integerrimis, enervia, cellulis elongatis, angustissimis, basilaribus infimis 
aureis, alaribus quaternis, majusculis, vesiculosis, aureis, supraalaribus 
paucis, minutis, omnibus laevissimis. Caetera ignota. 
Kamerun: an Felsen bei N'dian in der Nähe des Flusses (Dusty 
n. 708). 
Species Rh. Duisaboani (Mont.) simillima, sed foliis anguste acuminatis, cellulis 
ubique angustissimis dignoscenda. 
Rh. pseudo-brachythecium Broth. n. sp. 
Syn. Hypnum (Heterophyllium) pseudo-brachythecium C.-Müll. in sched. 
Dioicum; graeile, caespitosum, caespitibus densissimis, latissime 
extensis, pallide viridibus, aetate alhescentibus, sericeis; caulis repens, 
flexuosus, pinnatim ramosus, ramis suberectis, homomallophyllis, brevibus, 
simplieibus vel longioribus, pinnatim ramulosis; folia dense conferta, 
erecto-patentia, concaviuscula, ovato-lanceolata, longe et anguste acuminata, 
marginibus recurvis, summo apice minutissime denticulatis, enervia, 
cellulis elongatis, angustissimis, basilaribus infimis aureis, alaribus 3—4, 
magnis, vesiculosis, aureis, supraalaribus paucis, minutis, hyalinis, omnibus 
laevissimis; bracteae perichaetii erectae, intimae e basi breviter ob- 
longa subito longe attenuatae, integrae, basi laxius areolatae; seta 2 cm 
alta, sieca flexuosula, tenuissima, pallide rubra, laevissima; theca nutans, 
minuta, ovata, sicca sub ore constricta, fusca; operculum longe 
rostratum. 
Kamerun: auf faulendem Holz bei Ekundu N'dene (Dusky). 
Species a congeneribus africanis diversissima, habitu Brachytheciis nonnullis, ex. 
gr, Br. erythrorrhizoni similis, 
Rh. nivescens Broth. n. sp. 
Syn. Tacicaulis nivescens C.-Müll. n. sp. in sched. pro parte. 
Species Rh. pseudo-brachythecio affinis, sed mollitie, ramis multo lon- 
gioribus nec non foliis cellulis alaribus minutis, interdum vix conspicuis 
dignoscenda. 
Kamerun: an Stimmen von Elaeis guincensis (Dus&s, JuxcwER), bei 
Ekundu N'dene an Baumstämmen (Dus£s). Steril. 
Rh. brevihorridum Broth. n. sp. 
Syn. Hypnum (Heterophyllium) brevihorridum C.-Müll. in sched. 
Dioicum; gracile, caespitosum, caespitibus densissimis, latissime 
extensis, caulibus valde intertextis, albescenti-viridibus, nitidiusculis; 
eaulis longe arcuato-repens, dense pinnatim ramosus, ramis complanatis, 
brevibus, simplicibus, strictiusculis vel longioribus, arcuatulis, bipinnatim 
ramulosis; folia dense conferta, distichacea, patula, concaviuscula, ovato- 
lanceolata, longe et anguste acuminata, marginibus recurvis, summo apice 
minutissime denticulatis, enervia, cellulis elongatis, angustissimis, basi- 
