30 P. DUSEN, MOSSES FROM THE WEST COAST OF AFRICA. 



i 



pauci-ramosus, usque ad 2 cm. longus; folia sicca incurva, valde convoluta, humida e basi 

 erecta vaginanteque stricte patula, usquc ad 5,4 mm. longa et 0,4 — 0,5 mm. lata, linearia, 

 rotundata, sa>pe breviter proboscideo-elongata, canaliculata, superne interdum subconvoluta, 

 inferne limbata, limbo flavo, 0,oi3 mm. lato, mox in marginem incrassatam, aculeato- 

 serratam evanescente, marginibus inferne, prope apicem et extremum hand incrassatis, 

 minutissime serrulatis vel erosulis, nervö valido, basi 0,04 mm. crasso, infra summum 

 apicera evanido, aculeis brevissimis coronatis et interdum ventrali corpusculis puccineoideis 

 praedito; cellulm basales hyalince, pallidissime cerinse, breviter rectangula) vel subquadrata*, 

 9 — 11-seriata), circiter Va longitudinis folii occupantes, cetera3 chlorophyllosaa, obscuraj, 

 minutissima?, plerumque 0,oo5 mm. diam., diversiformes, omnino rotundate rectangulai vel 

 subquadrata?; vaginula cylindrica, 1,3 mm. älta; seta erecta, stricta, purpurea, usque ad 

 5 mm. longa, medio 0,15 mm. crassa, kevissima; theca cylindrica, 2,2 min. longa, 0,45 — 

 0,50 mm. crassa, brunnea, lawissima; opercuium subhemispha?ricum, 0,*h mm. altum, longe 

 stricteque rostratum; calyptra plicata, thecam totam includens, superne longitudinaliter 

 lissa, summo subscabra, pallida. 



Habitat in Camerunia in truncis arborum, ubi ad Ekundu Ndene emporinm m. Septembri 

 a. 1891 c. fr. legi. 



1 8 87 1 8 



Fig. «, folia — ; b, pars superior folii — ; c, capsula operculata 



Pl. 00, fig. 18, planta magn. nat. 



Calymperes (Hyophilina) megamitrium C. Möller n. sp. in litt, 



Dioicum (?), densiuscule cajspitosum, ca\spitibus valde expansis, sordide lutescenti- 

 viridibus, baud nitidis; cautis siccitate strictiusculus, humiditate strictus, tum brevior et 

 inferne fasciculatim ramosus, tum longior, inferne sirnplex vel pauci-ramosus, superne 

 fasciculatim ramulosus, robustus, usque ad 4,5 cm. longus, basi radiculosus, inferne aetate 

 defoliatus, ceterum dense foliosus; folia sicca incurvata vel subcochleata, valde convoluta, 

 humida e basi erecta vaginanteque stricte patentia, lanceolata, acuminata, canaliculata, 

 limbata, limbo inferne 0,os mm. lato intramarginali, superne marginali, incrassato, infra 

 summum apicem evanescente, marginibus inferne tantum integris, ceterum minutissime et 

 inaequaliter serrulatis, nervö valido, viridi, basi 0,04 — 0,08 mm. crasso, infra summum api- 

 cem evanido vel in apice excurrente, ventrali medio et superne in dorso papilloso, 

 extremum minute aculeato; cellulce basales hyalinae, pallidissime cerina^, rectangulas, 

 11 — 14-seriata;, fere V3 folii longitudinis occupantes, cetera) chlorophyllosaB, obscuraB, 

 minutissima?, plerumque 0,005 mm. magna3, diversiformes, omnino breviter rectangula; vel 

 quadrata?; bracteai perichwtii foliis ceteris similia; vaginula cylindrica, 1,8 mm. älta; setw 

 singulaa vel interdum bime, erectas, 2 — 3 mm. longas, rubescentes, la3vissima>; theca 

 cylindrica, usque ad 2,7 mm. longa et 0,5 — 0,6 mm. crassa, avellanea, la^vissima, siccitate 



