STRUCTURAL BOTANY. 



With a stalk 12 



11. All sections presenting orbicular and equal sur- 



faces globose. 



Longitudinal (vertical) section, compressed orbicu- 

 lar in outline (see Cut I., c, the outline of the 



cross-section) spheroidal. 



Longitudinal section, elliptic in outline, ^ 



ellipsoidal, 



12. Bodies more or less spherical ; the sections more 



or less orbicular capitate (Plate IL, 21.) 



Bodies resembling a pear, 



pear-shaped^ or pyriform. 



13. With one plane, orbicular terminal, and one 



curved lateral surface ; longitudinal section an 

 equal-sided triangle corneal. 



With two flat terminal faces and one curved lat- 

 eral surface; longitudinal sections four-cor- 

 nered ; cross-sections orbicular 14 



With several plane surfaces 16 



Cut IV. 



14. Terminal surfaces orbicular and much smaller 



than the lateral surface cylindrical. 



Terminal surfaces orbicular and much larger than 

 the lateral 1^ 



15. Body resembling a thin slice of a cylinder, 



cake-shaped^ or placentiform. 

 Body resembling a far thinner slice of a cylinder, 



dish-shaped, disciform. 



16. Body resembling a cube cubical, or tessular. 



Body resembling an angular column . .prismatic. 



