92 



THE GENUS COFFEA. 



[part I. 



on one side, and convex on the other, which are 

 placed with the flat sides together, as shown at 

 f; each seed having a deep longitudinal groove, 

 as shown at g. These seeds are our coffee. 



Fig. 39 — Coffee. (Cofea Arabica.) 



The flowers of Ixora coccinea have the same 

 general construction as those of the other plants 

 of the order. The calyx has an ovate tube, and 

 a very small four-toothed limb ; and the corolla 

 is salver-shaped, with a long and very slender 

 tube, and a four-parted spreading limb. There 

 are four anthers inserted in the throat of the 

 tube of the corolla, and just appearing beyond 

 it, and rising a little above them is the point of 

 the style with its two-cleft stigma. The berry 



