2 
CUMBERLAND—-BELL AND HARLAN COUNTIES, 
ORDER BETULACE4—BIRCHWORTS. 
Genus Betula. 
Black birch, Betula lenta (L.) 
Yellow Birch, B. excelsa (Ait.) 
Red birch, B. nigra (Ait.) 
ORDER ERICACEA—HEATHWORTS. 
Genus Kalmia. 
American laurel, Kalmia latifolia (L.) 
Genus Oxydendrum. 
Sourwood, Oxydendrum arboreum (D. C.) 
Genus Rhododendron. 
Rose bay, Rhododendron maximum (L.) 
Genus Azalea. 
Azalea, A. viscosa (L.) 
Genus Clethra. 
Sweet pepper, Clethra acuminata (Mx.) 
ORDER TILIACEAA—LINDENBLOOMS. 
Genus Tilia. 
Basswood, Tilia Americana (L.) 
White basswood, T. hetrophylla alba (Vent.) 
ORDER ANACARDIACEA—SUMACHS. 
Genus Rhus. 
Black sumach, Rhus glabra (L.) 
Mountain sumach, R. copallina (L.) 
ORDER ROSACEA—ROSEWORTS. 
Genus Cerasus. 
Black cherry, Cerasus serotina (D. C.) 
Genus Amelanchier. 
Wild service or june-berry, Amelanchier canadensis 
(Torr. and Gr.) 
ORDER LEGUMINOSA—LEGUMINOUS PLANTS. 
Genus Robinia. 
Black locust, Robinia pseudacacia (L.) 
Genus Cercis. 
Redbud or Judas tree, Cercis canadensis (L.) 
23 
Iolt 
