ORGANS OF REPRODUCTION. 279 



Fig. 599. Fig. 600. Fig. 601. Fig. 602. 



Fig. u99. A vertical section of aportionof theniature 

 pistil of Cathartncarpus or Cassia Fistula, allowing 



a number of transverse spurious partitions 



Fio- fiW>. Vertical section of the pistil of the 

 Wallflower, s. Style surmounted by the stigma, 

 or. Ovules attached by a stalk to the placenta, en. 

 cl. Vertical spurious partition called the replum. 



Fig. 601. Transverse section of the lower 



part of the ovary of the Thorn-apple (Datura 

 Stramonium), showing that it is here quadrilocn- 



lar Fig. 602. Transverse section of the same 



ovary at its upper part, showing that it is liere 

 bilocular. 



Fig. 603. 



Fig. 604. 



Fig. 605. 



Fig. 603. Transverse section of the ovary of the Flax {Linum), showing five 

 complete and true dissepiments, a, and five incomplete spurious dissepi- 

 ments, b. Fig. 604. Transverse section of the pistil of Astragalus, 



showing spurious dissepiment proceeding from the dorsal suture. 



Fig. 60.5. Transverse section of the ripe pistil of Phaca. 



of the formation of spurious dissepiments might be quoted, but 

 the above will be sufficient for our purpose. It should be 

 noticed that in our description of spurious dissepiments, Ave 

 have not confined our attention to those of compound ovaries 

 alone, but have also referred to those of simple ovaries, in which 

 they may equally arise. Thus the spurious dissepiments of 

 Cassia Fistula, Astragalus, and Oxytropis, are examples of such 

 formations occurring in simple ovaries. 



We have now to consider the formation of the compound 

 ovary which presents but one cavity, instead of two or more, 

 T 4 



