J± SCIENTIFIC NEVTS. 



meter of the trunk ; the other at the centre augmenting its 

 density. He considers each of the filaments of the trunk 

 cf the monocotyledons as if it answered to an entire trunk 

 of a dicotyledon ; and shows, that in each of these filaments 

 a series of operations takes place as complete as in those 

 trunks. 

 "Mrbel elected Mr. Mirbel, in consequence of his various labours toward 

 goth^ institute. iU us t ra ting the physiology of plants, was elected to the place 



vacant by the death of Mr. Ventenat. 

 Decandollehis The competitor of Mr. Mirbel for the vacancy in the Tn- 

 eompetnor. s tj.tute was Mr. Decandolle, who, beside his previous titles 

 Plants with to it, had sent the class early in the year a work on plants 

 Sowers* 1 * w * tn compound flowers, in which he makes a separate fa- 

 mily of those the florets of which have two unequal lips, 

 and distributes those termed cinerocephalous according to 

 the lateral or terminal insertion of the seed. It was thought 

 however, that his talents would be more useful in the cele- 

 brated school, in which he teaches botany, and at the head 

 of the fine garden under his care, in a climate more favour- 

 able to the vegetation of foreign plants than the vicinity of 

 Paris. 

 Botanj much This sitting showed in general, that botany is cultivated 

 cultivated in m jr rance with more ardour than ever. The Memoir ou 

 France. 



the Family of Orchidece, by Mr. du Petit Thouars, a spe- 

 cimen of a greater work on the natural families of plants, 

 with those of Mr. de Longchamp on Narcissusses, Mr. 

 Jaume St. Hilaire on the Orobanches, and Mr. de Cubieres 

 on the Lote trees, and the Monograph y of Eringums by 

 Mr. de la Roche, are proofs of this. 

 Development Mr. du Petit Thouars in particular has determined to 

 of the bud. publish his Theory of Vegetation, founded on the develope- 

 ment of the bud in two directions, which was noticed in our 

 former* report, vol. XXIII, p. 315. 

 New family of Mr. Ventenat himself terminated his laborious career by 

 plants, a paper on the Genera Sarnyda and Casearia, of which he 



makes a new family next to that of the rhamnoides. This 

 Jardin de Cels. piece was intended for the continuation of the Jarclin de 

 dels, a work interrupted by his death. He lived long 

 enough to carry to some extent, though not to finish, his 

 Garden of Mai- Description of the Garden of Malmaison, which no doubt 

 ma,»6on. w jj| j^ co titinucd by some other hand. The 



