212 Beiträge zur Flora von Afrika. IX. 
angustissimis, omnibus laevissimis; bracteae perichaetii pallidae, e 
basi vaginante subito anguste acuminatae, minute serrulatae, enerves, 
laxius retieulatae; seta 42—15 mm alta, flexuosula, tenuissima, purpurea, 
laevissima; theca suberecta vel cernua, brevicollis, ovalis, c. 1,5 mm alta, 
sicca macrostoma, sub ore haud coarctata, fusca; peristomium duplex; 
exostomii dentes sicci apice incurvi, humidi conniventes, aurantiaci, 
apice pallidi, lanceolato-subulati, 0,4—0,5 mm longi et 0,08 mm lati, dense 
lamellati et striolati; endostomium sordide luteum, papillosum,; pro- 
cessus profunde carinati, late perforati; cilia rudimentaria. Gaetera 
ignota. 
Kilimandscharo: wissenschaftliche Marangu-Station, im feuchten 
Gebüsch an einem Baum, 1550 m (Vorkens n. 447). 
Ex affinitate HM. distantis (Besch.) et H. homalobolacis G.-Müll., sed foliis basi con- 
tractis, cellulis superioribus angustissimis, seta brevi nec non theca suberecta, ovali, 
sub ore haud coarctata raptim distinguendum. 
H. (Rhynchostegium) megapelma (.-Müll. n. sp.; autoicum; 
caespitosum, caespitibus laxiusculis, sordide fusco-viridibus, nitidis; caulis 
arcuato-decumbens, fusco-radieulosus, densiuscule foliosus, pinnatim 
ramosus, ramis complanatis, vix ultra 4 cm longis, strietis, densiuscule 
foliosis, obtusis; folia scariosa, patentia, concaviuscula, elongate ovata, 
plerumque acute et torquate acuminata, marginibus infima basi revolutis, 
dein erectis, serratis, nervo tenui, supra medium evanido, cellulis laxius- 
culis, parce chlorophyllosis, basilaribus brevioribus et laxioribus, omnibus 
laevissimis; bracteae perichaetii pallidae, e basi vaginante in subulam 
longam, tenuem, integerrimam attenuatae, enerves, laxius reticulatae; 
seta 18—22 mm alta, flexuosula, tenuis, purpurea, laevissima; theca 
horizontalis, turgide ovalis, brevicollis, sub ore haud coarctata, fusca; 
peristomium duplex; exostomii dentes sicei apice ineurvi, humidi 
conniventes, aurantiaci, apice hyalini, papillosi, lanceolato-subulati, 
0,57 mm longi et 0,095 mm lati, dense lamellati et striolati; endosto- 
mium luteum, papillosum;; processus carinati, late perforati; cilia bina, 
hyalina, bene evoluta, papillosa, nodulosa; opereulum brunnescens, 
rosiratum, rostro curvato, theca breviore. 
Kamerun: Buea, an faulendem Holz (Dust n. 221), Buea, Urwald, 
1200 m (Preuss n. 4005), Buea (n.1088, forma viridis, foliis magis scariosis), 
Buea (n. 1083, 1087). 
Ab H. homalobolaci G.-Müll, proximo theca horizontali, turgide ovali, sub ore haud 
coarctata prima fronte distinguitur. 
H. (Rhynchostegium) distans (Besch.). 
Syn. Rhynchostegium distans Besch., Fl. Bryol. Reun. p. 156. 
Usambara: Bulua-Wald, 1030 m (Horst n. 4304). Mit Früchten. 
Seengebiet: Runssöro, 2700 m (Srunzmann n. 2332 a). Mit Früchten. 
