303 



Notice of Hooker'' s^ Journal of Botany and Kew Garden Miscellany^ 



No. 32, August, 1851. 



The papers in this number are intituled as under : — 



' Characters of a New Genus of Corapositae-EupatoriaceEe ; by Asa 

 Gray.' 



' Contributions to the Botany of Western India ; by N. A. Dalzell, 

 Esq., M.A.' 



* Sketch of the Vegetation of the Isthmus of Panama; by M. Bert- 

 hold Seeman, Naturalist of H. M.S. Herald.' 



' Copy of a Letter addressed by Mr. Spruce to G. Bentham, Esq., 

 dated Santarem, Amazons, Sept. 10, 1850.' 



' Botanical Information :' — ' Death of M. Requien.' ' Death of J. 

 E. Bicheno, Esq.' ' Cereus triangularis.' 



' Notices of Books :' — ' De Vriese (Dr. and Professor) : Descriptions 

 et Figures des Plantes Nouvelles et Rares du Jardin Botanique de 

 I'Universite de Leide et des principaux Jardins du Royaurae des 

 Pays Bas. Ouvrage dedie a sa Majeste la Reine. Livraison II. 

 Imp. folio. 1851.' 'Dr. Wight: Orchidese of the Neilgherries.' 

 ' John Sanders : a Practical Treatise on the Culture of the Vine, as 

 well under glass as in the open air. London : Reeve and Benham. 

 Svo. 1851.' ' Prospectus of a Flora Graeca exsiccata.' 



The new genus of Compositae described by Dr. Asa Gray is Disso- 

 thrix, and the species D. Gardneri. It is the Stevia imbricata of Gard- 

 ener in ' London Journal of Botanv,' v. 458. 



The plants described by Mr. Dalzell are — Didymocarpus cristata, 

 of the order Cyrtandraceae ; Cyanotis vivipara, of the order Comme- 

 linege ; Lepidagathis mitis and Barleria elata, of the order Acan- 

 thaceae ; Terminalia Gella, of the order Combretaceae ; Anomospermum 

 excelsura, Rottlera urandra, and Euphorbia strobilifera, of the order 

 Euphorbiaceae ; Begonia integrifolia and B. trichocarpa, of the order 

 Begoniaceae ; Impatiens ramosissima, of the order Balsam ineae ; Ade- 

 nostemma rivale and Decaneurum microcephalum, of the order Com- 

 positae ; and Antiaris saccidora, of the order Artocarpeae. 



Mr. Seeman's paper on the botany of Panama is extremely inte- 

 resting. The following is an extract : — 



" As the Isthmus connects the continents, so does its vegetation 

 combine the floras of tropical North and South America : the virgin 

 forests of Guayana, the vegetable soory groves of the Magdalena, and 

 the oak-woods of the Mexican highlands, are all equally represented. 



