138 



MUSCLES, NERVES, BRAIN. Sect. VIII. 7, 8, 



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quence a fenforlum or union of the nerves muil exlft. So when we 

 go into the light, we contrad the iris, not from any ftimulus of the 

 light on the fine mufcles of the iris, but from its motions being af- 

 fociated with the fenfation of too much light on the retina, which 

 could not take place without a fenforium or center of union of the 

 nerves of the iris with thofe of vifion, 



7. Befides thefe organs of fenfe, which diftinguifh cold, moifture, 

 and darknefs, the leaves of mimofa, and of dionaea, and of drofera, 

 and the ftamens of many flowers, as of the barberry, and of the nu- 



merous clafs of fyngenefia, are fenfibl 



mechanic impadl ; th 



they poflefs a fenfe of touch ; and as many of their diftant mufcles are 

 in confequence excited into a£lion, this alfo evinces, that they poflefs 



a common fenforium, by which this fenfation is communicated to the 

 whole, and volition occafionally exerted. - 



8» Laftly, In many flowers the anthers when mature approach the 



lie. I afk. 



gma, 



L ■ 



in others the female organ approaches to the m 



by what means are the anthers in many flowers, and ftigmas In oth 

 flowers, directed to find their paramours 



Is th 



curious kind of 



florge produced by mechanic attraction, or by the fenfation of 



Th 



opi 



fuppbrted by the ftrongeft analogy, becaufe 



produd:ion of the fpecies is the confeq 



nd then another or 



J L 



gan of fenfe mud be wanted to dirc£^ thefe vegetable amourettes 



find each other 



one probably analagous 



to our fenfe of fmell 



which in the animal world directs the new-born infant 



fo u r ce 



of nourifhment ; and in fome animals directs the male to the female ; 

 and they may thus poiTefs a faculty of perceiving as well as of pro- 

 ducing odours. 



r 



A moft curious exampleof the exigence of fome kind of fenfe, 

 which may direCl the piftlls, or female parts of the flowers of col- 

 linfonia, which way to beryd for the purpofe of finding the mature 

 males, is related in Botanic Garden, VoL I. Canto IV. 1. 460, where 

 fome of the piftils miftake the males^ or flamens, of the neighbouring 



flowers 



Se^ 



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bee 



( 



the; 

 the 



ofii 



rate 



life 

 hea 



ofl 

 of; 



tru 

 for 





n 

 b 



th 



tl: 

 of 

 ir 

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