FRUITS. 



167 



PLATE LXXIV. 

 .to. 1 



FIG. 84. Powdered Vanilla (x 240). 



A, Outer portion of the pericarp comprising the epidermis (e) with adherent 



hypoderma (h). 



ccr, Cells containing raphides. 

 col, Collenchymatous cells. 

 cot, Cotyledon. 



cp, Pitted cells distributed through the mesocarp. 

 cr, Prismatic crystals of calcium oxalate from the epidermis. 

 e, Cells of the epidermis with crystals and rounded calcareous bodies. 

 FFV, Fragments of bundle. 

 fp, Fibrous cells. 

 h, Hypoderma. 

 I, Bast. 



M, Mesocarp with raphides entire (ra) and cut transversely (r'a') 

 pa, Papillae of inner epidermis. 



ra, Raphides, intact; r'a', the same cut transversely. 

 sc, Sclerenchymatous cells from base of fruit. 

 scp, Sclerenchymatous cell from the placenta. 

 te, Brown, outer layer of seed-coat, 

 t'e', Cell of same, in profile. 

 ti, Brown, inner layer of seed-coat. 

 tcr, Rows of crystal-cells. 



