become familiar, the average citizen us 
that he is not using common Bratch sine eae scat aware 
Hydrangea, Nasturtium, Narcissus, Geranium Fics ‘eel sib ec 
Azalea, Wisteria, Yucca, and Asparagus, for example Sener en ae 
Latin plant names, and hard ones at that: but famili re all scien “a Cc 
them of their terrors. , iliarity has robbed 
Most of the plant families represen ; 
members growing in our fields oe coe e Maebee apne a Nb 
showiest specimens exhibited in the Aeroid House rai ai : the 
to the same family as the insignificant day-flower tha eae a cee ote 
known as a weed in our gardens. Some of the most useful ne 
shown in the Economic House belong to the same famil egies sep 
reed “ pee es felt. that many people would be iabeceeied in er 
the similarities or dissimilarities between different memb f th & 
plant family; hence the name of the family to which ancl’ sintive 
longs has been included in the following pages, Gcnies with oe 
name of one or more local representatives 
es of th 
representatives are known e family, where such 
There have been included, also, such 
economic interest about the plants as ae een ae ie of 
compilation. Much of the information contained in the followin 
pages is based on personal observations made by Mr. Koch, who fae 
built up the collections to their present state. Other information has 
been compiled from such authoritative sources as Smith's “Dictionary 
of Economic Plants, Bailey's “Standard Cyclopedia of Horticulture, ’ 
Gray's “New Manual of Botany,’ Roger's ‘‘The Tree Book,” the 
‘Encyclopedia Britannica,’ the “Encyclopedi . ~ 
“New International Encyclopedia.” yclopedia Americanna,”’ and the 
JOHN DILL ROBERTSON, M.D., 
President 
