II 4 LABORATORY PRACTICE CHAP, xxvn 



IX. Cut the pome being studied into two halves (length- 

 wise) and, examining one of the crt surfaces, notice : 



1. The general shape of the surface. 



2. The cells and the seeds. 



3. The papery core. 



4. The irregular core flesh. 



5. The outer flesh. 



6. The outer skin. 



7. Make a sketch of the cut surface and label. 



X. The Hesperidium. Take a Lemon or an Orange, 

 examine, and notice : 



1. The general shape, size, color, and odor. 



2. The point at which it was attached. 



3. The protuberance at the other end representing the 



Ib^ef "end x of the style. 



4. Make a sketch of the fruit studied. 



XI. Cut the Lemon or Orange across the middle and, 

 examining one of the cut surfaces, notice : 



1. The outer rather thick " rind." 



2. The inner fleshy portion separated into several distinct 



portions by walls (septa), running from the rind to 

 the centre. (These are the cells of the fruit.) 



3. The juicy pulp filling the cells, in which (in most 



Lemons and Oranges) may be found 



4. The seeds. Notice the character of the seed-coats and 



the attachment of the seeds. 



5. Make a diagram of the cross-section and label the parts. 



XII. The Pepo. Take a Cucumber, Melon, Gourd, or 

 Pumpkin, examine carefully, and notice : 



