French National Institute. 14s) 



H the other traiisfonnations oi' the fluids of the animated 

 body. This has been proved by M. Diipuylren, in direct 

 experiments. Horses anddiigs, in wliicli ho had cut from 

 both sides the nervts peculiar to tlic j)uimonavy texture, in 

 vain agitated their pectoral nmsclos an<i ius|)ired the air ; 

 their bbod constantly remained black, and lliey died as if 

 from aspiiixia: and the same na'ves, alternately tied with a 

 thread and freed from the ligaiiue, when the texture had not 

 been altered, successively produced the phcenomena of arterial 

 and venous cnltjurincr. 



Botany. — "SI. Labillardiere has finished his Flora of 

 New Holland. JVJ. de Beauvois has published a new t-diti^n 

 of that of Ow arc and Benin, and has given the remainder 

 of his Memoir on the Algas. 



M. de Jussieii continues hi'S examination of certain fami- 

 lies, the structure of which he analyses more exactly, and 

 reetifie'5 the distribution, couibining his observations with 

 those of Gaerlner. New divisions or unions of genera have 

 resulted from his inquiries; and on this head he has this 

 year comnumicaied a memoir, in which he separates from 

 the too nunierous genus 7?/.?^icia, two genera, which he de- 

 noiDinatHis d'/c/iptern and hlucimm. 



Both diiier fpun the ordinary _/V«//'(;J/i, from their capsule 

 being divided into forked valves : and the partition between 

 the seed- boxes is but imperfect. The hl-eclunii in particular 

 is distinguished by four stannna, and by the ditterent struc- 

 ture-of its partition. 



M. Happel-La-Chesnay, of Guadalonpe, has cominnni- 

 cated an interesting obsirvalion upon the air-vessels of the 

 Banana lrec\ These vessels are very abundant, and very tough 

 in the stalk of this vegelable; and as the rest of its texmre 

 is very tender, they lire easily detached. They resemble 

 carded cotton, but it does n(H appear thai cloth can be made 

 with them. 



M. Du[Ktif.-Thouars has continued to communicate his 

 inquiries uptMi the grosvth of vegetables. He still thinks 

 that tlie Rta^k of trees finds in the buds the principle of its 

 growth, and that the fibres, of which theamiual layers of wood 

 are composed, are in some measure the roots ot the bud?, 

 while the email uiedullary thread which joins each of them, 

 jH-f forme tile san>e tunciions with the cotyledons in the small 

 plant s\hiLh IS germniaiing*. 



'i'o the moliveti lor lliis opinion, which he had previously 

 tlelailed, he ha« added o liters : he has endeavoured loanswtjr 



• Set Phil<iBOii!!;cal1Vl;ijrn7ine, vol.^xviii. p- "flO. 



K. 3 objections. 



