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PRO DUCTION 



Sect. XV. 2. 5 



fome flratum of earth ; and it has been obferved, that the trees be- 

 came better fruit-bearers. In fome fituations it is poffible, this might 

 be the caufe of the new prohfic property of the trees ; but I fufped 

 it has occurred generally from the difficulty oppofed to the number 

 4nd elongation of the root-fibres, and confequently to the generation 

 of the new caudexes of the embryon 



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produdion of flower-buds enfued. 



leaf-buds ; whence a greater 



be confined in a garden pot, till they crowd each other ; as 



And that the orchis will 



In fimilar manner it is alferted by one of the Linnean fchool in the 

 Amoenitates Academicse, that fome bulbous rooted plants, which 

 feldom produce feeds in Sweden, will produce prolific feeds, if their 



roots 



thofe of the lily of the valley, convallaria. 

 .bear prolific feeds, if the new root early in the feafon be fevered from 

 the old one, which has put up the flower-flera. This muft occur 

 in the former cafe from the difficulty, which the plants find to ge- 

 nerate new offsets at their roots, which are their viviparous progeny; 

 and in the latter cafe from the new offset being deftroycd ; whence 

 in both fituations more nutriment is expended on the flower. 



.On the fame account it is probable, that confining the roots of cu- 

 cumbers and melons in fmall garden pots v^^ould flop the too lux- 



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uriant growth of their leaf-buds, and render them fooner oviparous 



was taken to fupply them with 



pQore frequently 



if care 



with fufficient nutriment by mixing with the water fome of the ( 



bonic black fluid, which has drained from a manure h^ap. 



5. Jffhe central "Viviparous branches of a plant be cut away or Jh 



d 



ened^ the lateral 



Th 



are many 



will fooner or more completely become ovip 



lower parts of 



y 



fmall buds on 



branches, which do not feem to grow to maturity, and in confequencc 

 produce neither new leaf-buds nor new flower-buds. There are other 

 lateral fhoots on many trees, which only pufh out a h\i/ inches, and 

 are called fpurs, and which bear fruit the fucceeding fummer at their 

 £5itremities. In many other plants the lateral branches are oviparous, 



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