BOTANIC MATERIA MEDICA, 433 
from without, forming new layers each year. 
Example: Forest trees. 
Exogenous—Growing annually by increase 
from the outside, as in the oak, and other 
forest trees. 
Exothecium—eks’-o-the-shi-um (Gr. exo, with- 
out, and theke, a sheath, box or case). The 
external or outer coat of the anther. 
Exotic—egx-ot’-ik (Gr. exotikos, foreign, 
strange, from exo, outside; Lat. exoticus; 
French, exotigue). A plant, tree or shrub 
introduced from a foreign country; a plant 
not native 
Expectorant—eks-pek-to-rant (Lat. expectora- 
tus, from ex, out of, and pectus, the breast). 
Any medicine that promotes a discharge of 
mucus or phlegm from the air passages of 
the lungs. 
Exserted—ek-ser’-ted (Lat. exsertus, thrust 
forth). Above and beyond something else, 
as the stamens and pistils extending beyond 
and above the corolla. 
Extrorse—eks-trors’ (Lat. extra, on the out- 
side, and orsus, commencing or beginning). 
When the pollen escapes towards the outside 
of the flower by means of the anther, and 
not, as the usual rule, towards the pistil. 
Fastigiate—fas-tig’-i-at, also fastigiated (Lat. 
Jastigium, that which is made pointed, the 
highest point). A pyramidal form. Examples: 
capsicum fastigiatum, red pepper. 
Febrifuge—feb’-ri-fuj (Lat. febris, a fever, 
and fuga, I drive away). Any medicine that 
allays or removes a fever. 
