IOWA ACADEMY OF SCIENCES. 175 



Iowa, and Nebraska. In Iowa this species occurs in swampy 

 places, blooming in August and September, and is frequent 

 in occurrence. Tj-pe locality: "Hab. in regione Illinoi- 

 ensi.'' 



Specimens in our collection are from Winneshiek and 

 Johnson counties. The State University herbarium 

 has specimens from Winnebago, Hancock, Emmet, and 

 Lyon counties. Professor Bessey reported the species 

 from Story, Floyd, and Poweshiek counties; Messrs. Nagel 

 and Ilaupt from Scott county; Professor Fink from Fay- 

 ette county; and Messrs. Barnes, Reppert, and Miller from 

 Muscatine county. 



Arthur, Contr. Fl. la , p. 23; Nagel and Haupt, Proc. Davenport Acad. 

 Nat. Sciences, Vol. 1, p. 160; Hitchcock, Trans. St. Louis Acad. Science, 

 Vol. 5, p. 511; MacMillan, Met. Minn. Valley, p. 471; Fink, Proc. Iowa 

 Acad. Sciences, Vol. 4, p. 97; Bessey, Fourth Bien. Rep. Agr. Col., p. 

 112; Shimek, Bull. Lab. N. Hist.. S. U. I., Vol. 3, p. 208; Iowa Geol. 

 Sur., Vol. 10, p. 178; Halsted, Bull. State Agr. Col., Nov., 1886, p. 52; 

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

 Flowering Plants of Iowa, p. 127; Barnes, Reppert, and Miller, Proc. Dav- 

 enport Acad. Nat. Sciences, Vol. 8, p. 244. 



Melampyrum L. Sp. PI. ()05. 1753. 



Ours a small branching annual herb, with opposite 

 entire petioled lanceolate or linear-lanceolate leaves, and 

 small white or whitish flowers solitary in the upper axils 

 or more or less spicate. Calyx 4-toothed. C'orolla irregu- 

 lar, 2-lipped; the upper lip obtuse or emarginate, the 

 lower lip 3 toothed. Stamens 4, didynamous. Capsule 

 flat, oblique, 2 — 4 seeded. 



Melampyrum lineare La}n. Encycl. 4:22. 1797. 

 Narrow-leaved Cow- wheat. 



Melatnpvrum afnericanuinMs.. Fl. Bor. Am. 2:16. 1803. 



Puberulent; stem 6— IS inches high, obscurely 4-sided; 

 leaves short-petioled, the floral ovate or lanceolate, with a 

 few bristle-pointed teeth near the base; calyx-teeth subu- 

 late; corolla ^thrice the length of the calyx, the lower lip 

 yellow. 



