Plate HI. 



PROGRESSIVE DEVELOPMENT. 



15 



18 



What is the structure of the plants In flgi 1, and 2. What docs flg. 1 re- 

 present ? fig. ? fig. 2 ? Describe each. What change in flgs. 8, 4, 5 ? De- 

 Kribelto 7. What kind of loaf at flgn. 8,9, 13,15f Name of the stalk In fig. 12. 

 Describe the figures, anil define its other parts. Describe fig. IS. Whr.t kind 

 * apparatus In (to. 1C. IT, 19. Describe each. Describe figs. 14, 15, 20. What 



is the hood called f Define other parts. Explain fig. 11. What figures repre- 

 sent Unicellular plants f What the order Fungi ? Alg ? Lichcnes ? llepat- 

 icae f Musci ? Flllces ? What kind of plants in each ? How many of thcsfc, 

 and what, devolope woody fibre? What ones arc completely cellular? 



