1905] Harper,— Coastal Plain Plants in New England 75 
ida, Louisiana and Arkansas. Also at several interior points, but 
most abundant in the coastal plain. 
Ludwigia sphaerocarpa, El. South to Florida and Louisiana (?). 
Seems to be confined to the coastal plain. 
Proserpinaca pectinata, Lam. Distribution similar to that of the 
preceding. 
Hoydrocotyle umbellata, L. West to Minnesota (?), south to Florida 
and Texas. Also in the tropics. 
Ptilimnium capillaceum (Mx.) Raf. West to Minnesota (?), south to 
Florida and Texas. 
Clethra alnifolia, L. South to Florida and Louisiana. Appar- 
ently confined to the coastal plain except in New England,’ and 
nowhere more than 200 miles from the coast. 
Azalea viscosa, L. West to Ohio, south to Florida, Arkansas and 
Texas. Also reported from the mountains of Tennessee and Ala- 
bama. 
Leucothoe racemosa (L.) Gray. South to Florida, Louisiana and 
Missouri. Also in East Tennessee (Gattinger). 
Pieris Mariana (L.) B. & H. South to Florida and Arkansas. 
Also in the mountains of Tennessee (Gattinger). Not reported from 
Alabama. : 
Gaylussacia dumosa (Andr.) T. & G. South to Florida and Louis- 
iana in the coastal plain. Also on the sunny slopes of some of the 
mountains of Georgia, and at a few other interior localities,? but 
apparently never more than 3oo miles from the coast. 
Sabbatia dodecandra (L. B. S. P. South to North Carolina near 
the coast, and replaced farther south by two or three species recently 
separated from this, all confined to the pine-barren region. 
Limnanthemum lacunosum (Vent.) Griseb. West to Minnesota, 
south to Florida, Mississippi, West Tennessee, Arkansas and Lou- 
isiana. 
Gerardia paupercula (Gray) Britton. Nearly throughout the glaci- 
ated region, also in the pine-barrens of Georgia and Alabama, but 
not yet reported from intermediate stations. 
Gerardia Skinneriana, Wood. West to Minnesota and Iowa, 
south to Florida and Louisiana. In Georgia confined to the pine- 
barrens. 
! See RHODORA, 2: 70. 1900. 
? See Small, Bull. Torr. Bot. Club, 21: 18, 19. 1894. 
