420  Odor  in  the  Recognition  of  Drugs. 
(4)  Those  having  an  Odor  of  Chocolate. 
Guarana,  Cacao  Butter. 
(5)  Those  having  a  Fruity  Odor. 
Fig,        Persimmon,  Raspberry,  Raisin,         Prune  (feeble), 
Purging  Cassia  (Prune-like). 
Class  C. — Drugs  with  a  Balsamic  Odor.    (Odors  which  are  aro- 
matic and  resinous.) 
(1)  Those  with  a  Simple  Balsamic  Odor. 
Eriodictyon,  Grindelia,  Myrrh, 
Guaiacum  Wood  (when  heated). 
(2)  Those  with  a  Balsamic  and  Fragrant  Odor.  (Odors  which 
are  balsamic  and  agreeable.) 
Benzoin,  Storax,  Sweet  Gum, 
Bals.  Tolu  (Vanilla-like),  Bals.  Peru  (also  empyreumatic). 
(3)  Drugs  with  a  Balsamic  and  Terebinthinate  Odor.  (Odor  in- 
creased by  heating.) 
Burgundy  Pitch,  Gum  Olibanum,  Rosin  (faint), 
Canada  Pitch,  Mastiche,  Tar  (empyreumatic), 
Canada  Turpentine,  Sandarac,  Thuja, 
Turpentine. 
Class  D. — Drugs  with  Peculiar  Odors. 
Camphor  (penetrating),         Capsicum,  Senna  Alex., 
Cochineal,  Gentian  (sweet),  Saffron  (peculiar  aroma), 
Convallaria,  Jalap  (smoky,  sweetish),    Uva  Ursi  (hay-like), 
Coffee  (faint  in  green  state),  Quercus  (tan-like), 
Pulsatilla  (aromatic  and  hay-like). 
Class  E. — Drugs  with  a  Slight  Odor. 
(1)  Those  having  a  Characteristic  Odor. 
Logwood  (faint,  agreeable),  Rumex,  Red  Saunders. 
(2)  Those  not  having  a  Characteristic  Odor. 
Aspidium,  Catechu,  Chimaphila,  Cypripedium, 
Aspidosperma,    Caulophyllum,  Cimicifuga,  Dulcamara, 
Castanea,  Cetraria  (odor  when  wet),  Cinchoua(somewhat  aromatic), 
Euonymus,         Nutgall  (when  bruised),  Menispernium, 
Frangula  ( little  odor  when  dry),    Juglans,  Sarsaparilla  (earthy), 
Scutellaria. 
