150 



anagallidea, and by Elliott, Sketch Bot. S. C. & Ga. i : 

 i6. 1816, identified and carefully described under the 

 name Lindernia dilatata Muhl. Both the latter specific 

 names are synonyms of this. 

 Flowering from late June to late September, and soon ripening 



fruit. 



Swamps, in potassic soil, frequent throughout the Coastal 



Plain excepting the Pine Barrens, and, occasionally extending 



somewhat above the Fall-line. Ranges from Massachusetts 



to Florida and Texas. 



9. Hemianthus Nutt. in Journ. Acad. Nat. Sci. Phila. i: 119. 



1817. 

 Type species, H. micranthemoides Nutt. 

 I. Hemianthus micranthus (Pursh) Pennell, comb. nov. 



Herpestis micrantha Pursh, Fl. Am. Sept. 2: 418. 1814. 

 "On the banks of rivers, at the edge of low water mark: 

 Pennsylvania to Virginia." Described as with five- 

 leaved calyx, but no other plant can possibly be intended. 

 Hemianthus micranthemoides Nutt. in Journ. Acad. Nat. 

 Sci. Phila. i: 119. pi. 6. 1817. "Habitat on the 

 gravelly banks of the Delaware, overflowed by the tide, 

 near Kensington [Pennsylvania]." Type seen in the 

 herbarium of the Academy of Natural Sciences. 

 Micranthemum micranthum (Pursh) Wood, Class-Book 525. 



1861. 

 Micranthemum Nuttallii A. Gray, Man. Bot. N. Un. St. ed. 

 V. 331. 1867. ''Hemianthus micranthemoides Nutt. 

 . . . Tidal muddy banks of the Delaware River, and 

 southward." Typified by plant of Nuttall. 

 Micranthemum micranthemoides (Nutt.) Wettst. in Engl. & 



Prantl, Natiir. Pfianzenfam. 4^'': 77. 1891. 

 Globifera micranthemoides (Nutt.) Kuntze, Rev. Cen. 461. 

 1891. 

 Flowering from early September to October, and soon ripening 

 fruit. 

 Gravelly or sandy river-shores, between high and low tides, 



