184 Plants. 



ter in an immature state without being 

 killed, they advance in the second season, 

 and then only perfect their seeds; instances 

 of which are to be found in the juniper 

 and orange-tree. Others continue to ad- 

 vance for several years, as usual, with- 

 out showing fruits ; and when at length 

 they reach that state of maturity, they 

 then flower, and, having perfected their 

 seeds, they decay and flower no more, 

 dying down like annual plants ; an exam- 

 ple of which is to be found in the cab- 

 bage-tree of tropical regions. Some are 

 scarcely ever (perhaps never) known to 

 produce either flowers or seeds of any 

 sort, but admit of being propagated by 

 some other means ; instances of which 

 are to be found in the English elm of our 

 own country, the jack, or bread-fruit tree 

 of India ; and many others. 



The second division of plants are- those 

 that have a perennial root, from which 

 stalks are sent forth annually, which us- 

 ually produce flowers, perfect their seeds 

 in the summer, and die down to the 

 ground at the approach of winter. The 

 stems of these are for the most part of a 

 similar structure and consistence with 

 those of 



