203 



Madagascar, leg. Camboue. 

 Sendtnerae (Ilerhcrtac) molli ex insula S. Thome Africae 



occid. trop, simillima; ;berie distincta tamen foliis longius 

 decurrentibus. 



Jamesoniella purpurasccns St. — Dioica, flavo- 

 rufescens^ majuscula, laxe caespitans. Caulis 3 — 4 cm longus, 

 validus simplex^ postice radicellis lon^is hyalinis vestitus, 

 apice nutans. Folia alternantia, imbricata, adulta plano- 

 disticha, juniora adscendentia, margine recurva, ovata, apice 

 rotundata vel rotundo-truncata , rare retusula, antice decur- 

 rentia, postice breviter inserta^ ad basin caulis purpurea vel 

 purpureo-marginata. Ccllulae 0,025 mm, trigonis magnis 

 acutis, saepe confluentibus. Cuticula laevls. Amph. cauiina 

 nulla. Flares femlnei in caule terminales, innovaiione nulla, 

 folia floralia trijuga, exteriora caulinis majora, inaequaliter 

 biloba, sinu brevi obtuso tobisque obtusis, margine interrupto 

 recurva, dein crispata cum amph. parvo oblongo trifido 

 coalita; folia intima minora similia sed magis crispata, 

 araphigastrio profunde plurilaciniato^ laciniis hamatim incur- 

 vis varieque tortis. ' 



Bourbon, leg. Rodriguez. 



Specimina incompleta, basi destructa, 



J u n g e r m a n n i a R e n a u 1 d i i St. — Dioica, laxe caespi- 

 tosa , viridis , robusta. Caidis simplex ^ radicellis longis 

 hyalinis arete repens, sub flore innovatus. Folia imbricata 

 disticha, parum adscendentia (i. e. baud horizontaliter ex- 

 planata) concaviuscula, margine antico incurva, integerrima, 

 ligulata, apice rotundata, antice longe decurrentia, postice 

 breviter inserta. Cellulae 0,025 mm (marginales quadratae), 

 trigonis majuscuHs hyalinis. Amph, nulla. Periajithia ter- 

 minalia, uno vel utroque latere innovata, pyriformia, apice 

 valde angustata baud plicafa ore parvo dcnticuiato ; folia 

 floralia bijuga curvatim patula, caulinis multo mojora, intima 

 perianthium amplectentia, Androecia ignofa. 



Botirhon, leg, Rodriguez. 



LiocJdaenae lanceolatae similis sed minor et perianthio 

 apice baud umbilicato. 



Acrolejeunea Borgenii St. — Dioica, rufescens, 

 pendula, gracilis, Caidis 6 — 8 cm longus, remote pinnatus, 

 rami floriferi breves, steriles longiores. Folia arete imbri- 

 cata, a eaule parum divergentia (angulo 30^) in statu ex- 

 planato falcato-ovata, valde concava, apice obtusa, margine 

 postico apiceque recurva; lobulus folio triplo brevior, ovatus, 

 apice truncatus, angulo acuto, ad carinam turgidus superne 

 i'olio appressus margineque folii pro parte occultus. Cell, 



