392 SCIENTIFIC AND APPLIED PHARMACOGNOSY 





FIG. 170. Stillingia: A, the rhizome (r) of Stillingia sylvatica, showing the 

 bases of the aerial shoots (6), and the large fusiform roots (/r). B, one of 

 the obovate, glandular, serrate leaves. C, the inflorescence consisting of a 

 terminal spike of flowers, the staminate being above and the pistillate below. 

 D, a cluster of staminate flowers with the bract and glands. E, a staminate 

 flower. F, a pistil. G, a transverse section of the ovary. H, transverse 

 section of a thin lateral root: End, endodermis; P, cork formed in the peri- 

 cycle; L, leptome interspersed with stereids, or lignified sclerenchymatous 

 cells (St). I, transverse section of a root; L, leptome without stereids; 

 Camb, cambium. J, transverse section of an overground branch: Ep, 

 epidermis; Coll. collenchyma. After Holm, Merck's Report, 1911, p. 36. 



