274 BULLETIN DE LA SOCIÉTÉ BOTANIQUE DE GENÈVE (7) 



Meliaia Commersoniana Decaisne [DC. Prodr. VIII (1844)' 

 p 589. — Malrne, Adnot. de asclepiad. austroam. (1905), p. (jj jam ^ 

 •C'ommerson, postea ab Arechavalota prope Montevideo collect^ 

 («il/, atropurpurea Malnie»); 



Schistogyne silvestris Hooker et Ariiott [Journal of Rotany. 1 

 (1834), p. 292] jam a Tweedie in Uruguay inventa. 



Schistogyne Berroi Arechavaleta [1. c. (1910), p. 117 , niihi 

 tantum e descriptione nota, paruni a Sch. silvestri difTerre videtur. 



Jobinia hernandiifolia (Decaisne) Fournier [Flor. brasil. 

 fasc. 95 (1885), p. 327], Sellow n. G83, utrum in Uruguay an in Sào 

 Paulo collecta sit, mihi lalet. In Uruguay tauien vix deest, quippe quse 

 liaud procul a finibus uruguayensibus in Rio Grande do Sul multis in 

 locis copiose occurrit, ex. gr. ad oppidum Rio Grande do Sul, Quinta, 

 Povo Novo et Piratiny. — Haec species onmino eadem est ac Cijnan- 

 chum (?) connivens Hooker et Arnott [Journal of Botany. I (1834), 

 p. 294], quamobrem nominanda est Jobinia cotinivens (Hooker et 

 Arnott) Mal me. 



In eadem civitatis Rio Grande do Sul parte collectum est etiam 

 Oxypetalum macrolepis (Hooker et Arnott) Decaisne [DC. Prodr. VIII 

 (1844), p. 585 i; sine dubio in Uruguay quoque inveniendum. 



PraHerea in Rio Grande do Sul, imprimis in parte boreali, haud 

 paucse adsunt asclepiadaceae nondiim in Uruguay observatœ, ex gr. 

 DituHsa (inoniala Martius, Amphistelma aplu/llii/n (Vellozo) Fournier, 

 Cyatlioslebna lutipes (Decaisne) Fournier, Oœypetuhnn slipiitum Malme, 

 0. molle Hooker et Arnott (= 0. oliganthiim Malme), 0. appendicu- 

 latum Martius et Zuccarini, 0. Wif/tliiatiiim Hookei- et Arnott, 0. con- 

 fvmnti Malme, 0. cuvliflonnn Malme, Calontigma Mosenii Malme, 

 GonolobuH obtusiflonis Decaisne et Exolobus SeUowianus Fournier, qua- 

 rum nonnullse in Uruguay quoque verosimiliter invenientur. 



— o H » "! 4 o' 



