. Journal of botany, British and foreign . t month, was On the Pandanese of the Mascarene Islands. A general course of Biological Instruction, devised so as to give asurvey of the leading features of plants and animals, is being givenconjointly at Oxford during the summer term by Professor Lawson andMr. E. Ray Lankester, in the herbarium at the Botanic Garden. The Paris Academy of Sciences awarded the following prizes lastyear for botanical work ; the Barbier Prize (in part) to M. I. Chatin,ifor studies of the Valerianeae ; the Desmazieres (1872) to M. M. Cornu,for a monograph of the Saprolegu


. Journal of botany, British and foreign . t month, was On the Pandanese of the Mascarene Islands. A general course of Biological Instruction, devised so as to give asurvey of the leading features of plants and animals, is being givenconjointly at Oxford during the summer term by Professor Lawson andMr. E. Ray Lankester, in the herbarium at the Botanic Garden. The Paris Academy of Sciences awarded the following prizes lastyear for botanical work ; the Barbier Prize (in part) to M. I. Chatin,ifor studies of the Valerianeae ; the Desmazieres (1872) to M. M. Cornu,for a monograph of the Saproleguieae ; and 1000 francs to M. Bornetfor his labours among lichens; 1000 francs to M. Lefranc, for hispaper on Atractylis gummifer; the Desmazieres (1873) to , on the Lemaneaceae (Algae); and 1000 francs to MM. VanTieghem and Lemonnier, on the Mucorineae ; the Bordin (1873) to Vesque, for the anatomy and physiology of Dicotyledons ; and theGegner (4000 francs) to good works on botany, approved by Tab. 163. del etlith. Mintern Bros. imp. Deidamia Thompsoniana, D C. 161 Original %ttit\c0. ON DEIDAMIA THOMPSOiSIANA, DC. By Maxwell T. Masters, , (Tab. 163.) My attention has been called to this plant by the Editor of thisJournal, who has kindly allowed me the opportunity of examiningthe specimen in the Herbarium of the British Museum, to which isaffixed a label in Browns handwriting with the inscription, Thomp-sonia, Madagascar, Thompson. The plant is interesting, both structurally and geographically. Itfurnishes a link between the true Passion-flowers and the Modeccas, andit is the type of Browns genus Thompsonia, the validity of which, asdistinct from Deidamia, Thouars, has been doubted. Some account ofthe plant may therefore be of interest, the more so as Brown said verylittle concerning it, and Tulasne, who monographed the genus Dei-damia, had no specimens before him of this particular species. Before describing the plant and


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