V. F, Brotherus, Musei africani, Il. 263 
lanceolata, piliformi-acuminata, marginibus infima basi parce recurvis, 
integerrimis, enervia, cellulis elongatis, angustissimis, laevissimis, basila- 
ribus infimis omnibus laxis, vesiculosis, hyalinis, ramulina eisdem cau- 
linis similia, marginibus distinctius recurvis; bracteae perichaetii 
erectae, e basi oblongo-ovata longe lanceolato-acuminatae, integrae, basi 
laxe areolatae, enerves; seta 1,5 cm alta, flexuosa, tenuissima, pallide 
rubra, laevissima; theca nutans, minuta, ovalis, sicca deoperculata sub 
ore haud constricta, pallide fusca, laevis; operculum brevissime rostratum ; 
calyptra ignota. 
Kamerun: an Stämmen von Elaeis quineensis (Dustin n. 470). 
M. plano-squarrosum Broth. n. sp. 
Syn. Hypnum (Microthamnium) plano-squarrosum G.-Müll. n. sp. in 
sched. 
Species M. subelegantulo Broth. affinis, sed rigiditate, colore viridissimo, 
statura multo minore nec non ramulis valde complanatis dignoscenda. 
Kamerun: N’dian (Dusén n. 696) und bei Lifenja, an faulenden Baum- 
stimmen. Steril. 
M. afro-elegantulum Broth. n. sp. 
Syn. Hypnum (Microthamnium) afro-elegantulum G.-Müll. n. sp. in 
sched. 
Robustum, caespitosum, caespitibus densis, lutescenti-viridibus; cau- 
lis repens, dense foliosus, pinnatim ramosus, ramis teretibus, patulis, 
brevibus, curvatulis, dense foliosis, obtusis; folia caulina sicca laxe 
imbricata, homomalla, indistincte plicata, humida erecto-patentia, conca- 
viuscula, ovata, breviter acuminata, marginibus inferne revolutis, superne 
serrulatis, nervis binis, elongatis, lutescentibus, cellulis breviter linearibus, 
papillosis, basilaribus infimis laxis, brevibus, ramulina argutius serrulata ; 
bracteae perichaetii e basi ovata longe subulatae, subintegrae; seta 
4,5 cm alta, flexuosula, rubra, laevis; theca cernua, ovali-cylindrica, badia, 
laevis. Caetera ignota. 
Kamerun: Buea, an Bäumen c. 1000 m (Juxaxzn n. 76) und 2500 m 
(Dusén). 
Species M. elegantulo (Hook.) habitu simillima, sed foliis caulinis ovalis, laxius 
reticulatis faciliter dignoscenda. 
M. horridulum Broth. n. sp.; autoicum; robustiusculum, caespi- 
tosum, caespitibus rigidis, densis, viridibus, nitidiusculis; caulis repens, 
flexuosus, vage ramosus, ramis dense foliosis, pinnatim ramulosis, ramulis 
complanatulis, brevibus, curvatulis, dense foliosis, obtusis; folia caulina 
sicca et humida horride patula, laevia, late cordata, breviter acuminata, 
acumine curvato, marginibus erectis, superne minutissime serrulatis, nervis 
binis, longiusculis, lutescentibus, cellulis breviter linearibus, minute 
papillosis, ramulina ovata, argutius serrulata; bracteae perichaetii 
e basi ovata longe subulatae, acumine reflexo, integrae; seta 1 em alta, 
