278 Beiträge zur Flora von Afrika, XIV. 
Pterogoniella Schimp. 
P. chloroclada Broth. n. sp. 
Sauloma chloroclada C.-Mill. in sched. 
Autoica; robustiuscula, caespitosa, caespitibus densis, viridibus, 
nitidiusculis; caulis repens, pinnatim ramosus, ramis teretibus, brevibus, 
simplicibus vel longioribus, parce ramulosis; folia dense conferta, sicca 
imbricata, parce homomalla, humida erecto-patentia, concava, ovata vel 
oblongo-ovata, breviter acuminata, marginibus revolutis, integerrimis, 
enervia, cellulis anguste ellipticis, apicalibus brevioribus, alaribus c. 6, 
vesiculosis, aureis, omnibus laevissimis; bracteae perichaetii erectae, 
intimae lanceolatae; seta 6 mm alta, purpurea, laevissima; theca erecta, 
minuta, oblonga, microstoma, recta vel curvatula, fusca; peristomium 
simplex; exostomii dentes c. 0,3 mm longi et c. 0,05 mm lati, dense 
lamellati, linea media tenuissima notati, albi, grosse papillosi; spori 
0,035—0,030 mm, virides, papillosi; operculum e basi alte conica 
tenuiter rostratum; calyptra albida, apice fuscidula, scabriuscula. 
Kamerun: an Baumstämmen bei Bibundi (Dusén n. 404). 
Acanihocladium Mitt. 
A. Jungneri Broth. n. sp.; autoicum; caespitosum, caespitibus 
densis, lutescentibus, nitidiusculis; caulis elongatus, repens, flexuosus, 
fusco-radiculosus, dense foliosus, bipinnatim ramosus, ramis patentissimis, 
arcuatulis, complanatis, dense foliosis, ramulis brevissimis, in ramis apicem 
versus dispositis subnullis; folia caulina concaviuscula, erecto-patentia, 
ovata, anguste acuminata, marginibus suberectis, superne serrulatis, 
enervia, cellulis angustissimis, marginalibus latioribus, limbum indistinc- 
tum, uniseriatum efformantibus, basilaribus brevioribus, alaribus magnis, 
vesiculosis, hyalinis, omnibus laevibus, ramea minora, angustiora, argutius 
serrulata; bracteae perichaetii suberectae, internae subulato-acumi- 
natae, integrae, laxius areolatae; seta 3—4 cm alta, flexuosa, rubra, 
tenuis, laevissima; theca horizontalis, ovalis, pallide fusca, laevis. Caetera 
ignota. 
Kamerun: an Bäumen im Gebirge c. 1500 m (Junaner n. 158). 
Species distinctissima, A. trichocoleoidi C.-Müll. affinis, sed foliis superne serru- 
latis facillime jam dignoscenda. 
A. rigidicaule Broth. n. sp. 
Syn. Hypnum (Heterophyllium) rigidicaule C.-Müll. n. sp. in sched. 
Dioicum; caespitosum, caespitibus densis, latissimis, viridissimis, 
nitidiusculis; eaulis rigidus, elongatus, procumbens, ramosus, ramis 
elongatis, flexuosis, complanatis, cum foliis c. 2 mm latis, dense foliosis, 
pinnatim ramulosis, ramulis brevibus, vix ultra 1 cm longis, complanatis, 
patulis, strictis vel arcuatulis, dense foliosis, obtusis; folia erecto-patentia, 
