168 
of insects. Since the herbage is the medicinal part, the use of 
insecticides is not permissible. 
RoMAN CHAMOMILE, Anthemis nobilis L., is now very little 
used and the cost of production in this country would probably 
be prohibitive 
GERMAN Can MOMILE, Matricaria Chamomilla L., is ver 
largely used, but the cost of harvesting would doubtless be too 
great. 
CALENDULA or MarIGOLD, Calendula officinalis L. The last 
statements will apply to this drug, also 
Nsy, Tanacetum vulgare L., is a common roadside weed and 
can = collected at a price that would render profitable culti- 
vation very doubtful. 
AMERICAN PENNYROYAL, Hedeoma te an (L.) Pers., is a 
common weed. The amount used as a drug is small, but great 
quantities of the oil are used. ae oil can be produced much 
more cheaply abroad, so the cultivation of this plant is not likely 
to be remunerative 
ELECAMPANE, ils Helenium L., is so abundant in wet rocky 
pastures and woodlands that it can be gathered in a wild state 
more en than it could be cultivated. 
ALAMUS, Acorus Calamus L., is so very abundant in swamps 
that not nee slightest hope of successful competition with the 
ed. 
OrRis ROOT, Iris Germanica L., I. pallida Lam. and J. flor- 
entina L., does well here but the curing and preparation of the 
crop is a very critical and expensive process 
ALTHEA or MARSHMALLOW, Althea officinalis L., also requires 
a large amount of expensive labor for its preparation, and woul 
probably not be produced at a pr 
BONESET or THOROUGHWORT, _Bupaori perfoliatum e 
is of very easy cultivation, but so very common and abundan 
as a weed that its a cultivation is impossible. 
LAVENDER, L (L.) Miller, can be made to 
grow in this section, but only with great care, and is liable to be 
attire destroyed by severe winter weathe 
