174-4 
congestion of the mucous membrane of the nostrils; tongue brown-coated, dry, 
and stiff; dryness of the mouth, followed by salivation ; throat dry and sore; bitter 
and sour eructations and belchings; nausea, with burning distress, bloating, and 
cramps of the stomach, which becomes sore and feels raw; hard, dull, or sharp 
pains in the hepatic region; severe, dull, cutting, and griping pains in the umbili- 
cal region; severe abdominal pain, with much flatulent distention; very severe 
colic, with passage of large quantities of flatulence; itching of the rectum, with 
prolapsed hemorrhoids ; profuse yellow diarrhceic stools; great sexual excitement, 
followed by loss of desire and nocturnal emissions; irritation of the bronchi and 
lungs; great lumbar pain and weakness; weakness of the extremities; general 
tired, weak, and faint feelings; itching of the skin; sleeplessness and chilliness, 
Dioscorea proves itself an irritant of the mucous membranes in general, but 
especially those of the intestinal tract, and causes congestion and inflammation of 
those tissues if persisted in. 
DESCRIPTION OF PLATE 174. 
t. Portion of a fruiting stem, Pittsburgh, Pa., Aug. 20th, 188s. 
2. Female flower. 
3. Male flower. 
4. Seed. 
(2~3 enlarged.) 
