r 



^l^e f, 



h 



^%\ 



f 



'^ all b 



i^ 





ith 



^ ^-^^(ti 



^^imes fe 



J 



ban 



eii 



esofth 



this a 



e 



Ppears 



' cord arif, 

 ^'f, too;.. 



10 u: 



root Is 



^b!ed above 

 vl fpcrmatic 



and Tupport 



. andelevu: 



A 



u 



ife fubterra- 

 1 of placing 

 Dlai.::; that 

 :n more rea- 

 tilauuii and 



It 



[ 



berous roots 

 of diiTereat 



r 



as in 



many 



the fuccee^' 



laiits 



;<! for 



is 



ie 



flow 



rerir'o^ 



1 



out 



a 



ftbe 



eartfij 



Sect. IX. 3. 4 



SEEDS, BUDS, BULBS 



73 



and taking away the leaf-bulbs, which furround them on the 



° . . ry ,^^^«^of-if of tnhn-roots. ana 



fanne 



as in 



ftomary management 



f tulip 



yacinth-roots by the florift 



I was led to fufpea, that pinching off 



the flowers of potatoes two or three times might increafe the fize o 

 quantity of the roots, as the nourifhment derived from the vegetabl 

 blood to the flowers and feeds might thus be direded to enlarge th 



Th 



dea I 



few 



thus lay up more nutriment for the future plants, 

 mentioned to an ingenious Lady, who acquainted me a 

 months afterwards, that on a few roots (he had made this experiment 



with apparent advantage. 



4. The bulbous and tuberous roots of plants are a lateral or pater- 

 nal progeny like the buds of trees, and therefore exadly refemble the 

 parent plant, as mentioned in Sed. III. 2. I. and on this account may 

 be liable to be affeded by hereditary difeafes, and thus to become un- 



healthy ; when 

 which have for 



the canker is fuppofed to arife in thofe apple 



y or two been propagated by graft 



o 



d 



the curled leaf in potatoes, which have been too long propagated by 



their bulbs 



d the barrennefs of hautbois ftrawberries, which h 



PP 



been propagated by wires ; all which difeafes are believed no 

 1 in thefe plants, if they have recently been raifed from feed 



but want further obfervations to authenticate the fads.. 



But there exifts a fet of bulbs, which feem to be formed by ; 

 rial or feminal generation, and not by the lateral or paternal 



o 



ration, 



d 



Id therefore fee 



be a viviparous fexual pro 



d 



Thefe are produced on the flower-ftem in the place of feeds 

 procefs of time fall off, and take root in the earth, as is agreeably fee 

 in the polygonum viviparum, viviparous biflort, and the magic ' 



m magieum 



d the leek,, allium fativum 



A 



queftio 



femble th 



pa 



here occurs, whether the plants from thefe bulbs are liable exadly to, 



■ents ? and whether they would be liable to heredi- 

 tary difeafes from a long cultivation of them in fucceffion, as is fup- 

 pofed to happen to thofe mentioned above ?. 



Though 



