152 IOWA ACADEMY OF SCIENCES. 



Corolla 2-lipped; the upper lip entire or 2-cleft, the lower 

 3-cleft. Stamens included, two bein^ antheriferous and 

 posterior, the anterior two being rudimentary and sterile 

 or wanting. Capsule 2-celled, 4-valved, many-seeded. Our 

 species are annuals. 



Gratiola yirginiana L. Sp. PI. 17. 1753. 



Gratiola officinalis U\c\iii. Fl. N. A. 1:6. 1803. Not L. 



Gratiola carolitiensis Fers. Syn. 1:14. 1805. 



Gratiola neglecta Torr. Cat. N. Y. PI. 1819. 



Gratiola missotiriana Beck, Am. Jour. Sci., Ser. 1, 10:258. 1826. 



Gonobea borealis Spreng. Syst. 2:271. 1825. 



Stem 4 — 7 inches high, much-branched, glandular-puber- 

 ulent; leaves oblong or oblong-lanceolate, remotely toothed;; 

 peduncles slender, as long as the leaves; bracts leaf-like, 

 equalling the calyx; flowers white or pale yellow; sterile 

 filaments minute or wanting. 



A species of wide distribution, ranging from Quebec, 

 Ontario to British Columbia, south to Florida, Alabama, 

 Texas, and California. The habitat is wet soil in fields and 

 woods, the time of blooming being from May until the 

 close of September. In Iowa the species is frequent but 

 seemingly conflned to the eastern and southern portions. 

 Type locality: "Habitat in Virginia." 



Specimens in our collection are from Winneshiek, Fay- 

 ette, Appanoose, Wayne, Decatur, and Ringgold counties. 

 The State University herbarium has specimens from John- 

 son and Henry counties. Messrs. Barnes, lieppert, and 

 Miller reported the species from Scott and Muscatine 

 counties. 



Arthur, Contr. Fl. la., p. 22; Fink, Proc. Iowa Acad. Sciences, Vol. 4, 

 p. 97; Fitzpatrick, Proc. Iowa Acad. Sciences, Vol. 5, p. 124, p. 157; Vol. 

 6, p. 192; Manual Fl. Plants of Iowa, p. 124; Barnes, Reppert, and Miller, 

 Proc. Davenport Acad. Nat. Sciences, Vol. S, p. 243. 



Gratiola spHiEROcARPA £7/. Bot. S. C. and Ga. 1:14. 1816. 



Gratiola accuminata Vahl, Enum. 1:92. Not Walt. 



Gratiola virginica Pursh, Fl. Am. Sept. 1:12. 1814. 



Gratiola carolxnensis Le Conte in Ann. Lvc N. Y. 1:105. 1824. 



