DICOTYLEDONS: SYMPETALAG 307 
ment. To-day Florida, Connecticut, Pennsylvania, and 
Wisconsin lead in the production of the finer grades; while 
the States producing the other grades are, in their order, 
Kentucky, Virginia, North Carolina, Maryland, Ohio, In- 
diana, and Missouri. The finest tobacco in the world is 
grown in Cuba, that from Florida ranking second; while the 
tobacco of Borneo, Ceylon, and the Philippine Islands is 
not much inferior. The growing plant is handsome, with 
showy flowers, and is often used as an ornamental plant. 
The single species is Nicotiana Ta- 
bacum, and is of South American 
origin. 
172. Labiates.—This family (La- 
biatw) has received its name from 
its two-lipped or bilabiate corolla 
(§ 133). This does not mean that 
all plants with bilabiate flowers be- 
long to this family; but if this char- 
acter is associated with square stems 
and opposite leaves, and also with 
an ovary so deeply lobed that it 
looks like four little nutlets in the 
bottom of the flower, the plant can 
be regarded as a member of the fam- Fie. 293.—Catnip (Mint Fam- 
ily (Fig. 293). The foliage is usu- ia einai acl A 
ally aromatic, and the family is com- a oe 
monly called the Mint Family. Many to. 
common wild plants and garden herbs 
will be recognized as belonging here, familiar names being 
sweet basil, pennyroyal, lavender, mint, hoarhound, hys- 
sop, savory, marjoram, thyme, balm, sage, rosemary, cat- 
nip (Fig. 293), ete. 
173. Madders.—This very large tropical family (Rubia- 
cee) is represented in our flora by only a few forms, such 
as bluets, buttonbush, partridgeberry, ete., which may be 
