280 Beiträge zur Flora von Afrika, XIV, 
remota, late ovata, acumine angusto, brevi, acuto, marginibus infima basi 
tantum paulum revolutis, ubique denticulatis; nervo basi crasso, superne 
sensim angustiore, longe ultra medium evanido, cellulis elongatis, angustis, 
basilaribus infimis laxis, omnibus laevissimis, ramulina oblongo-ovata, 
argute denticulata. Caetera ignota. 
Seengebiet: Ru-Nssóro, in feuchten Wäldern c. 2400 m (Scorr 
Eıriort n. 227 p. p.). 
Species H. tenuivago affinis, sed rigiditate, foliis scariosis, latioribus, apice an- 
gustatis, acutissimis dignoscenda. 
H. (Rhynchostegium) afro-rusciforme C.-Müll. n. sp. in sched.; 
habitu H. rusciformi simillimum, sed foliis obtusis, apiculatis, marginibus 
superne argutius serrulatis nec non nervo multo tenuiore faciliter dignos- 
cendum. 
Kamerun: Rumpi-Gebirge, an Steinen im Flusse Manadie bei Jumbo, 
c. 4400 m, massenhaft, aber nur steril (Dus£x n. 664). 
H. (Rigodium) kilimandscharieum Broth. n. sp.; dioicum; 
pergracile, rigidiusculum, e viridi lutescens; caulis elongatus, arcuato- 
decumbens, vage ramosus, ramis erectis, brevioribus, superne fasciculatim 
ramulosis, ramulis gracillimis, arcuatulis, interdum flagelliformi-attenuatis, 
pinnatim ramulosis vel elongatis, apice radicantibus; folia stipitis 
squarrosa, latissime eordato-ovata, subito acuminata, acumine latiusculo, 
stricto, marginibus erectis, ubique crenulatis, nervo complanato, pallido, 
in acumine inconspicuo, cellulis anguste ellipticis, ad marginem brevioribus, 
laevissimis, ramulina minuta, erecto - patentia, caviuscula, breviter 
acuminata, marginibus basi late revolutis, nervo crassiore, cellulis omnibus 
abbreviatis; bracteae perichaetii e basi longe vaginante reflexo- 
acuminatae, enerves, angustissime areolatae; seta usque ad 2 em alta, 
flexuosula, rubra, laevissima; theca horizontalis, oblonga, laevis, pallide 
fusca; operculum e basi conica brevissime rostratum, acutum. Caetera 
ignota, 
Kilimandscharo: Marangu, unterer Gürtelwald, an Bäumen 2000 m 
(VoLkens n. 2349). 
Species inter Rigodia gracillima. 
Palamocladium G.-Müll. 
P. involvens Broth. n. sp; dioicum; robustum, rigidum, caespi- 
tosum, caespitibus densis, lutescentibus, sericeis; caulis repens, vage 
ramosus, ramis elongatis, plus minusve arcuatis, attenuatis, dense foliosis, 
compressulis, dense pinnatim ramulosis, ramulis arcuatulis, attenuatis; 
folia scariosa, sicca leviter plicata, humida planiuscula, erecto-patentia, 
e basi cordata sensim breviter acuminata, marginibus infima basi paulum 
revolutis, ubique minutissime serrulatis, nervo tenui, ultra medium evanido, 
cellulis angustissime linearibus, alaribus parvis, numerosis, omnibus 
