536 



CONSERVATIVE ORGANS. 



X. 



exhibit both kinds. The floral leaves form a 

 tuft above the flowers in the Crown Imperial, 

 Fritillaria Imperialism above those of the Pine 

 Apple, Bromelia Ananas, and of several other 

 plants; and under the flowers of Anemone, they re- 

 semble and have received the name of an involucre 

 (involucrum) . All these, and such-like, are there- 

 fore true leaves; but as some are more inti- 

 mately connected with the flower, and in con- 

 formity with the custom of other elementary wri- 

 ters, I shall revert to the consideration of these 

 as bractes, when we examine the floral ap- 

 pendages *. 



Leaves, besides differing in situation, are also 

 variously distributed on the stem and branches. 



* Linnaeus remarks, that no bractes have been observed in 

 *ny plant belonging to the class Tetradynamia. 



