149 



Leaves elliptic-oval, all obtuse. Fruiting pedicels 



3-5 mm. long. Plant erect. ia. /. 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. PI. 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 gratiololdes L. Syst. ed. X. 11 17. 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. 

 la. Ilysanthes dubia inundata Pennell, var. nov. 



Plant erect, 1.5-2 dm. tall. Leaves elliptic-oval, obtuse, 1.5- 

 2 cm. 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 64Q6; in herbarium New York Botanical Garden. 



Tidal fiats 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, 

 Fl. Bor. Am. 1 : 7. 1803 as questionably his own Gratiola 



