PART FIRST. 



ITRUCTUKAL BOTANY; OR, ORGANOGRAPHY. 



CHAPTER I. 



PRIMARY DIVISIONS OF THE YEGETABLE KINGDOM. 

 65. Two NATURAL GrAND DIVISIONS OF THE VEGETABLE KlNGDOM 



have long been recognized by botanists, viz., the Phsenogamia or 

 Flowering Plants ; the Cryptogamia, or Flowerless Plants. Besides tho 

 obvious distinction made by the presence and absence of the flower. 



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2, Boae (flowers double)— an Exosen. 8, Lily— an Kndogon. 4, Fen 

 Cryptogam. 5, LicbeB— a thallogenoas Cryptogam. 



Fern — an acrogeaooft 



