I 



DE MADAGASCAR. 377 



VII. THAIHNIE^. 



r 



(Brotherus, Musci^ p, 85i.) 



POROTHAMNIUM Fleisch. 

 (Brotherus, Miisci, p. 1229.) 



Sect. I. PsEunopoROTRiCHCM (Broth.) Fleisch. 



(Brotherus, jI/hsc;", p. 1229.) 



1. PoRoinAMrfiuH PENN^FnoNRErM (C. Mull.) Card., comh. nova. 



PoROTRiGHDH pbhrsfhoxdelm G. Mali., in Liniucn, XL, p, 971 (1876). 



P. PE>-N.EroRME G. MiiU., in Lhmwiif XL, p. 97a (187C), et in Iledwifria, XXXVIII, p. 128 



(1899)- 

 P. MADAGAssDM Kiocr, apuj Besch., F/. Brifol. Hcunwn, etc., in Ann. Sc. nat. Dot., 6' s^r., X, 



p. 332[i9i](i88i). 

 P. suBSECtiHDiM Kiaef, apud Wright, in Jonnial of Iiol.,\X\U p- 266 (1888), tiomen solum; 

 Ren., Prodr., p. 208 (1897). 



P. PENNSFORME var. CuACVETi Rcn. et Card., Miisci exol., in Jiall. Soe. hot. Belff., XXMII, 



a' part, p. 126 [i52] (1895). 

 Thamnium pE\-N,EFnoNDEUM Kiudb. , in Ucdirl^'m, XLI, p. a.13 (1902). 

 Th. Mabagassum Kindb., op. c'lt., p. aSG (1902). 

 PoBOTiucuiM CiiAtvETU C. MiUl. , opud Bfolhcrus, Musci,p, 855 (lyoG). 

 P. siGMATELLOiDES C. MuU. » til sckcd. , fidc Kiiidbefff. 



Caulis secundarius frondosm hrevissime sfipilatiis Jlavescens spletideiis trtpartitus y 

 ramifical'iomhusi oh ramulos smph'ces vel parum ptnnalos Inpinnalla aumnikate in 

 innovafi'onem capillarem remote pinnatam protractis compresses disticluiceo-foJiosk 

 apicem versus anguslatis ; folia slipilts pauca mtnula remotapatenliaj ramea e hast im- 

 prcssa cellulis alarihus paiicis fuscatis quadrads tncrassads ad impresstoiiem imtructa 

 latiuscnle oblongata hreviter actiminata ajmhiformi-concava margine erecto vix invo- 

 hitaceUj apicem versus renwte grosse dentata, nervo tenuijlavido ultra medium evantdo 

 interdumohsolcte furcato, cellulis elHpticis distinctis molUhus clioropIii/Uosis; foha ex 

 summitate ramidi cuncalo-ohlonga npice dentihm pnucis grossis divisa. Cwtera ignota. 

 (G. Miiiler, in Linmea, XL, p. 971.) 



Dans sa description du P. pennmforme du Cap, G. Miiiler d*5cnt ainiii les 

 organes de frucliCcation : perichwtiaUa pauca e hast huge vagmata appressa 

 laxiuscule loiigiuscule reticulata peUudda ohsolrtinervi vel enervi convolutacea in 

 lamtnam lo}ige suhnhto-acuminatam iiUegerrinmm Uneari-areoUitam protra<:ta ; tJieca 



HODSSES DE UiDACASCAR. &8 



