arvense, Linn. Introduced 
angustifolium, Michx. 
lalifolium, Michx. 
birrtum, Lehm. 
canescens, Lehm. Puccoon 
longiflorum, Spreng. 
Mertesia, Roth. Lungwort 
Virginica, De C, (Pulmonaria, Linn.) 
Myosotis, Linnaeus, 
verna, Nutt. 
Echinospermum, Swartz. Stick-seed 
i&ppula, Lehm. 
Cynoglossum, Tournefort. Hound's Tongue 
officinale, Linn. Introduced 
Vir-rginicum, Linn. 
Morisoni, De G. Beggar's Lice S. 
Heliophytum, De C. 
Indicum, De C. S. Introduced 
HYDROPHYLLACEAE The Water-Leaf Family 
Hydrophyllum, Linnaeus. Water-leaf 
Virginicum, Linn, 
appendiculatum, Michx. 
Ellissia, Linnaeus, 
ambigua, Nutt, 
nycteiiea, Linn. 
Phacelia, Jussien. 
Purshii, Buckley. (P. fimbriata, Ph. not of Michx.) S. 
POLEMONIACEAE The Polemonium Fan:ily 
Polemonium, Tournefort 
