76 



PLAOENTATION — DEHISCENCE 



Plate XXVI 



General subject. Define each term. "Which figures represent tho Normal 

 PlacenLatlon ? What Is this called? How at 2— at 4? "Why bo called ? How 

 at fig. 3 ? "What other figure represents the same mode ? Deflne the parts in 

 fig. 5. How many cells at fig. 1— figs. 2, 3, and 4 ? How is the Dehiscence at 

 figs. 11 and 14— how at 10 and 13— how at IT— 9— 22 ? In which figure does 

 dehiscence occur through l)oth sutures— \n which through tho ventral suture- 

 in which through the dorsal suture, directly into the cell — in which by a rup- 

 ture— in which by irritaMlily— in. which by pores f In which figures are the 

 ovules inserted on the walls— in which on the central axis? Explain fig. 15. 

 Examples of Indehiscent fruits. 



