149 
Leaves elliptic-oval, all obtuse. Fruiting pedicels 
3-5 mm. long. Plant erect. ta. I. dubia inundata. 
Leaves .5—1.5 cm. long, rounded at base, or at least broadest 
much below the middle. Pedicels filiform, longer than 
the bracts. Sepals glabrous or nearly so, shorter than 
the capsule. 2. I. inaequalis. 
1. ILYSANTHES DUBIA (L.) Barnhart. 
Gratiola dubia L. Sp. Pl. 17. 1753. ‘‘Habitat in Virginiae 
aquosis.”’ Type, Clayton 164, identified by Dr. B. L. 
Robinson in Rhodora 10: 67. 1908, as the species here 
considered. 
Capraria gratioloides L. Syst. ed. X. 1117. 1759. Based 
upon Gratiola dubia L. 
Ilysanthes gratioloides (L.) Benth. in DC. Prod. 10: 419. 
1846. : 
Lindernia gratioloides (L.) Lloyd & Fouc. Fl. Ouest Fr. ed. 
IV. 246. 1886. 
Ilysanthes dubia (L.) Barnhart in Bull. Torr. Club 26: 376. 
1899. 
Flowering from early July to October, and soon ripening 
fruit. 
Swamps, in potassic soil, frequent above the Fall-line and in 
Middle and Cape May Districts of the Coastal Plain. Ranges 
from New Brunswick and Ontario to Florida and Texas. 
Ia. Ilysanthes dubia inundata Pennell, var. nov. 
Plant erect, 1.5-2 dm. tall. Leaves elliptic-oval, obtuse, 1-5~ 
2cm.long  Pedicels in fruit but 3-5 mm. long. 
Type, sandy tidal flats of Delaware River above Delair, Cam- 
den Co., New Jersey, collected in fruit September 3, 1915: 
Pennell 6406; in herbarium New York Botanical Garden. 
Tidal flats of Passaic River, New Jersey, of the Delaware 
River in New Jersey, Pennsylvania and Delaware. Also seen 
from along the Potomac River near Alexandria, Virginia. 
2. Ilysanthes inaequalis (Walt.) Pennell, comb. nov. 
Gratiola inaequalis Walt. Fl. Carol. 61. 1788. Probably 
from lower South Carolina, a district where the plant 
here considered is frequent. Identified by Michaux, 
F]. Bor. Am. 1:7. 1803 as questionably his own Gratiola 
