566 



BOTANY AND PHARMACOGNOSY. 



or. 



Fig. 247. Caraway: A, transverse section of a mericarp and carpophore (Ft) sho'W'ing 

 vittae (6, or), primary ribs Cr, rr,), with flbrovascular bundle (ok), tissue of raphe (f) and 

 endosperm (Ed). B, transverse section through a primary rib showing part of pericarp 

 and seed-coat, outer epidermal cells (E), a small vitta (O), sieve (Si), tracheae (g), around 

 which are thick-walled sclerenchymatic fibers; parenchyma (p, p'), inner epidermis (Ei), 

 outer epidermis of seed-coat (Sa) and collapsed cells (L) of remainder of seed-coat. C, 

 longitudinal section through part of a mericarp showing outer epidermis (E), parenchyma 

 (p. pi), epithel (Ep) and separating wall (Sch) of vittae (Se), inner epidermis of pericarp 

 (Ei) and seed-coat (Sa). D, surface view of outer epidermis of fruit showing a single stoma. 

 After Meyer. 



