YT 



G 



PART THE SECOND. 



ECONOMY OF VEGETATION 



SECT. 



IX. 



THE GROWTH OP SEEDS, BUDS, AND BULBS. 



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J. I. Seeds refemhle eggs. i. 'The emlryon is of different maturity, The leaves 

 mfihle in Jome feeds. 3 . Why the 'plumula afcends and the root defcends. Is now 

 rifhed hy the feed-lohesj hy the fruit. Becomes a dwarf if dep-ived of them. 

 Melons and cucumbers are too luxuriant. Turnepfeedjhould he new. 4. Seeds 

 have hardjhells^ have acrid rinds with bitter or narcotic juiceSy l>ut ptr e ft ar ch may 

 he procured from them. 5 . Umhilical veftels^ and roofs of feeds. Annual^ hiennialy 

 and perennial plants. Refervoirs of nutriment in their roots. Alt 'plants are hi^ 

 ennials. Bulbs and buds fucceed each other many times before they flower.. 



6. Wheat. 



and roots round the firftf 



Has 



Is greatly: 



increafed by tranfpL 

 fcales and varnifh. 



II. i.^\jDS are a viviparous progeny. Prote£fed by 

 by piping with more heat and moifiure as they exhale Ms. 



Are individual^ annual^ or biennial plants 



Buds of h 



Everg. 



bleeding feaf on. 3. Buds of deciduous trees are in different ft at es of 



hepatica^ daphne^ ofmunda.. Some buds are invifibh 



Importance of the 



pith like thefpinal marrow i it lines hollow ft alks. 5.. Refervoir of nutriment ft 



buds 



umbilical veffels. 6.. A bud 



bryo 



Thefirji 

 1. Vi- 



leaf 'buds often deftroyed by infers. Theftowe?^-buds only injured, by them, 

 gorous branches produce leaf- buds ^ weak ones ftower -buds. Whyfeedling apples 



extremities . 8 . New 



are long before they bear. Why pears bear only at their ext 

 buds 'may be made either leaf- buds by lopping a part of the 



A 



huds hy bending the branch dowUf or cutting a. ring in tJoe bark^ or Jlrangulating 



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