ALLSPICE 



469 



nearly colorless contents; oil-secretion cavities with wine-colored 

 contents; oil globules numerous; parenchymatous cells occasionally 

 lignified, and with irregular reddish-brown tannin masses, which are 

 colored greenish with ammonio-ferric sulphate solution; non-glan- 



FIG. 203. Pimenta: Outer wall of pericarp showing epidermal cells of epicarp 

 (e)', cells of mesocarp consisting of oil-secretory cavities (oil), stone cells (st) 

 and parenchyma (p) containing rosette aggregates of calcium oxalate (ca); 

 endocarp consisting of stone cells beneath which is a layer of more or less 

 collapsed cells (I). After Moeller. 



dular hairs from 0.100 to 0.200 mm. in length, with very thick walls 

 and narrow lumina, particularly towards the summit. 



Allspice stems, which are always present to a greater or less 

 extent in ground Pimenta, have rather characteristic unicellular hairs 

 that are somewhat swollen on one side. 



