POWDERED DRUGS AND FOODS. 699 



ipecacuanha, 4 to 14 M (those of Carthagena ipecac being uniformly 

 larger) (Figs. 203, 291) ; krameria, 20 to 30 M (Fig. 196) ; rheum, 5 to 20 

 M (Figs. 281, A; 289), and sarsaparilla, 7 to 20 M (Figs. 193, 194). 



Two- TO six-compound: Podophyllum, 5 to 12 ,ti (Fig. 223). 



More than six-compound: Capsicum, 3 to 7 M (Figs. 252; 301, C) ; 

 cardamomum, i to 4 /* (Fig. 253) ; cubeba, i to 4 M (Fig. 250) ; gossypii 

 cortex, 5 to 20 /i (Figs. 231, 231a); mezereum, 10 to 15 m; myristica, 

 5 to 7 m; pimenta, 7 to 10 M, and rubus, 3 to 7 M. 



ELLIPSOIDAL OR OVOID GRAINS. 



Althaea, 10 to 20 /"; geranium, 10 to 15 m; glycyrrhiza, 5 to 10 M (Figs. 

 104 i 282; B) ; pareira, 7 to 15 m; physostigma, 25 to 40 M ; rumex, 10 to 

 20 M : stillingia, 15 to 30 /^ ; strophanthus, 2 to 4 M (Figs. 186, 306), and 

 zingiber, 15 to 30 /^ (Figs. 212; 317, C). 



GRAINS OF CHARACTERISTIC SHAPE. 



Calumba, 25 to 35 m (Fig. 198) ; iris florentina, 15 to 30 /^ (Figs. 317, 

 320), and potato and other starches (pp. 785^789) 



ALTERED GRAINS. 



Guarana, 10 m; jalapa, 15 to 35 M (also two- to three-compound) (Fig. 

 288) ; tragacantha, 2 to 10 m; turmeric in masses, 70 to 140 /x (Fig. 290). 



AMYLODEXTRIN GRAINS. 



Mace (Fig. 190) contains starch grains, which give a reddish color 

 with iodine. 



B. DRUGS AND FOODS WITHOUT STARCH. 



The following are some of the drugs which do not contain 



starch : 



Amygdala amara and A. dulcis (Figs. 187; 188; 302, D ; 319), anisum 

 (Fig. 244), aurantii amari cortex, aurantii dulcis cortex, coffee, carum, 

 caryophyllus (Fig. 312), cocculus, colocynthis, conium (Fig. 248). cori- 

 andrum (Fig. 245), cydonium, foeniculum, gentiana (Fig. 300, A), haema- 

 toxylon, illicium (Fig. 302, /), lappa, limonis cortex, linum (Figs. 184, 

 293), nux vomica (except in pulp adhering to seed) (Fig. 318), pyrethrum, 

 quassia (Figs. 239; 299, C), rhus glabra (Fig. 285, /), santalum rubrum, 

 scilla (Fig. 281, B), senega, sinapis alba (Fig. 302, E, F), sinapis nigra, 



