CHAPTER FIFTH. 



THE MINUTE STUDY OF THE ESSENTIAL ORGANS 

 OF PLANTS, 



1 





or Cell. 



EXERCISE XXX. 

 Parts of Stamens. 



IN Fig. 219 you see the parts of a well-formed stamen. 

 The ANTHER-LOBE is the cell which holds the pollen (Fig. 

 219). CONNECTIVE, a continuation of the filament which 

 unites the two lobes of the an- 

 ther. It is Often inCOnSpicUOUS [{ \- Connective. 



or absent, but is sometimes easi- Anther 



. Anther- __[ _JU._. Anther-Lobe, 



ly seen (Fig. 219). VALVES, the Lobe - '' 

 sides of an anther-lobe. 



LINE OR POINT OF DEHIS- 

 CENCE. The opening through 

 which the pollen escapes. 



Do you see in your specimen FIG 



a groove down the middle of the 



anther on one of its sides ? Is there anything like a ridge 

 on the other side of the anther, opposite the groove ? Can 

 you divide the anther at this place without coming upon 

 the pollen ? What name is given to this part of the anther 

 in Fig. 219 ? What are the two halves it connects called ? 



Look at your living anther for the line along each lobe, 

 called the line of dehiscence. 



It may help the learner in forming a distinct idea of 

 these different parts of the anther, to know that the sta- 



