164 IOWA ACADEMY OF SCIEINCES. 



Oeorgia, Alabama, and Mississippi, blooming in July and 

 August. Type locality: "Ha^bitatin Virginia, Canada." 



We have seen no Iowa specimens of this species. Prof. 

 Arthur reported the species from Clinton county. Speci- 

 mens in the State University herbarium from Jones, John- 

 son, and Henry counties have been referred to this species. 



Arthur, Proc. Divanport Acad. Nat. Scieaces, Vol. 4, p. 170; Fitzpat- 

 rick, Manual Fl. Plants of ;owa, p. 125. 



Dasystoma virginica (L.) BriffoiL 



Rhinanihus virginicus L. Sp. PI. 603. 1753. 



Gerardla flava L in Herb. 



Gerardia qiiercifolia Var&h, Fl. Am. Sept. 423, Pi. 19. 1814. 



Gerardia glauci S^ven^. Syst. 2:807. 1825. 



Dasvsloma quercifola Benth. in D. C. Prodr. 10:520. 1846. 



Dasvstoma Virginica Bv'itton, Mem. Torr. Club, 5:295. 1894. 



Stem 3 — 6 feet high, glabrous, glaucous, usually 

 branched, stout; leaves ovate or ovate-lanceolate in out- 

 line, petioled, the lower 1 — 2-pin natifid. 4 — 6 inches long, 

 the upper incised or pinnatiiid, the lobes oblong or lanceo- 

 late, acute, entire or dentate; calyx lobes ovate or ovate- 

 lanceolate, acute, entire; capsule glabrous, twice the 

 length of the calyx. 



This species ranges from Maine to Michigan, and Minne- 

 sota, south to Florida, Alabama, Louisiana, Arkansas, and 

 Missouri. The species grows in dry or moist woods, bloom- 

 ing in July, August, and September. The type locality is: 

 "Habitat in Virginia." 



We have seen no Iowa specimens of this species. Prof. 

 Bessej^ reported the species from Burlington, Des Moines 

 county. The species may reasonably be looked for in the 

 region near the Mississippi river. 



SBessey, Fourth Biea. Rep. Agr. Col., p. 112 



Dasystoma pedigularia (L.) DeiifJi. 



Gerardia pedlcularia L,. Sp. PI. 611. 1753. 



Dasystoma pcdicularia Beath. in D. C. Prodr. 10:521. 1846. 



Annual or biennial; stem 1 — 4 feet high, glandular- 

 pubescent; viscid, much branched; leaves many, sessile or 



