V. F, Brotherus, Musei africani. I. 215 
Thuidium Br. eur. 
Th. subseissum C.-Müll. in Besch. Fl. bryol. Reun. p. 149. 
Deutsch-Ostafrika: Kikogwe (Fısener n. k#). Steril. 
Th. pseudo-involvens (C.-Müll.) Besch. 
Syn. Hypnum (Tamariscella) pseudo-involvens C.-Müll., Linn. XL. p. 285. 
Deutsch-Ostafrika: Kikogwe (Fıscner n, 45). Steril. 
Th. versicolor (Hornsch.) 
Syn. Hypnum versicolor Hornsch. in G.-Müll., Syn. Il, p. 494. 
Usambara: Handei, trockene Hochwälder (Horst n. 9033). Mit 
Früchten. 
Th. laevipes Mitt., Journ. Linn. Soc. 1886. p. 318. 
Usambara: Bulua-Wald, 1030 m (Horst n. 4293, 4294, 4297, 
4302 p.p., 4306), Nderema-Thal, an Baumstämmen (n. 2281). Mit Früchten. 
Erpodiaceae. 
Erpodium Brid. 
E. (Tricherpodium) Holstii Broth.n.sp.; autoicum; caespitosum, 
caespitibus parvis, densis, ditissime fertilibus, mollibus, glauco-viridibus; 
caulis repens, hic illie parce radiculosus, radicellis longis, fuseis, den- 
sissime ramosus, ramis erectis, vix 4 cm longis, simplieibus vel plerumque 
superne fastigiatim ramulosis, ramulis brevibus, strietis, ereeto-patentibus, 
teretibus, dense foliosis, obtusis; folia sieca imbricata, humida, patula 
concaviuscula, ovalia, obtusa, in pilum brevem, 0,09—0,149 mm longum, 
prosenchymatico-cellulosum, laevem, basi latum, viride, apice hyalinum 
subito attenuata, marginibus ubique erectis, integerrimis, enervia, cellulis 
subaequalibus, rotundato-hexagonis, grossis, c. 0,025 mm, omnibus chloro- 
phyllosis, laevissimis; bracteae perichaetii multo majores, erectae, 
pallidiores, ovales, in pilum reflexulum, brevem, parce denticeulatum subito 
attenuatae, cellulis pareius chlorophyllosis, oblongo- vel ovali-hexagonis, 
laevissimis; theca immersa, eylindrica, ec. 1,5mm alta et c.0,75 mm cerassa» 
leptodermis, pallida, ore rubra, laevis, gymnostoma; annulus latus, per- 
sistens; spori 0,030—0,035mm, virides, valde chlorophyllosi, punetulati ; 
operculum minutum, econvexum, obtuse apiculatum. Galyptra ignota. 
Usambara: ohne nähere Standorte (Horst n. 4076). 
Species pulcherrima, distinctissima, a caeteris speciebus africanis foliis brevipilis, 
pilo basi lato, apice tantum hyalino nec non cellulis laevissimis jam longe recedens. 
Hypopterygiaceae. 
Rhacopilum Palis. 
Rh. Büttneri Broth. n. sp.; dioicum; saturate viride; caulis longe 
repens, flexuosus, ubique dense fusco-tomentosus, tenuis, humore solum 
turgescens, dense foliosus, pinnatium ramosus, ramis ad 1,5 cm usque 
