266 INDEX I. 



admit the confusion of idea involved by alphabetical 

 arrangement of these names, but will sacrifice 

 facility of reference to clearness of explanation, and 

 taking the four great parts of the plant in succes- 

 sion, I will give the list of the minor and constituent 

 parts, with their names as determined in Proser- 

 pina, and reference to the pages where the reasons 

 for such determination are given, endeavouring to 

 supply, at the same time, any deficiencies which I 

 find in the body of the text. 



I. The Root. 



PAGE 



Origin of the word Root 30 



The offices of the root are threefold : namely, 



Tenure, Nourishment, and Animation . 30 — 38 

 The essential parts of a Root are two: the 



Limbs and Fibres 36 



I. The Limb is the gathered mass of fibres, 



or at least of fibrous substance, which 

 extends itself in search of nourishment . 35 



II. The Fibre is the organ by which the 



nourishment is received 36 



The inessential or accidental parts of roots, 

 which are attached to the roots of some 

 plants, but not to those of others, (and 

 are, indeed, for the most part absent,) are 



