COMPOUND LEAVES. 



EXERCISE XIX. 

 Forms of Stipules. 



57 



Fio. 109. 



FIG. 110. 



Free Stipules. 



Adnate Stipules. 



STIPULES are: 



FKEE. When not united with any other part. 



ADXATE. When they grow to the petiole. 



the facts knit into their places, to make them reliable mental 

 possessions. Understanding a thing is but the first step 

 toward its real acquirement. A succession of frequent ob- 

 servations is necessary to induce familiarity with objects, and 

 there must also be a recurrence to them a revival of impres- 

 sions after considerable intervals of time. It is possible to 

 have an intense familiarity with things observed, by occupying 

 the whole consciousness with them for a short time, but effects 

 thus produced are not lasting. We shall, therefore, continue 

 our observations of leaves, and record them upon the stem- 

 schedule. Pupils who have been diligent in the use of the 



