BELLADONNA 



583 



included the bicollateral fibro vascular bundles occurring in the veins; 

 non-glandular hairs, uniseriate, consisting of from 2 to 5 cells; gland- 

 ular hairs of 2 types: (a), having a 2- to 3-celled stalk and a 1-celled- 

 secreting head; (6), having a 1-celled stalk and 4- to 10-celled secret- 

 ing head. It has been variously stated that calcium oxalate also 



FIG. 244. Atropa Belladonna; first year's plant, grown at The H. K. Mulford 

 Co. Drug Farm, Glenolden, Pa. After Borneman, Amer. Jour. Pharm., 

 1912, p. 550. 



occurs in the leaves in the form of rosette aggregates and acicular 

 crystals. If true these forms are of very seldom occurrence. 



In the stem there occurs an outer epidermal layer having a thin 

 cuticle; a primary cortex of parenchyma, the cells being separated 

 by large intercellular spaces; an endodermis, beneath which in the 



