HITCHCOCK PLANTS OF AMES, IOWA. 509 



HYDROPHYLLACE^E. 



Hydrophyllum Virginian um, L. Spec. 

 Low woods; common. 



This is commonly quoted as H. Virginicum, L. 



H. appendiculatum, Michx. Fl. 



Rich woods; Des Moines river west of iioone. 

 Ellisia Nyctelea, L. Spec. 2d ed. — Polcrnonium Nyctelea, L. 



Spec. 



Low sandy ground ; abundant. 



B ORRA GIN A CE^E. 



ECHINOSPERMUM Virginianum, (L.) Lehm. PL Asper. 1818. — 

 Myosotis Virginiatia. L. Spec. — M. Virginica, L. Spec. 2d ed. 

 Woods; common. 



It is probable that the name as it appears in the 2d edition of the Species, is a 

 typographical error, which was followed by Lehmann ; hence I have quoted the lat- 

 ter above, although in PI. Asper. it appears as E. Virginicum. 



E. Lappula, (L.) Lehm. PL Asper. 1818. — Myosotis Lappula, L. 

 Spec. 



Sterile soil; frequent. 



Mertensia Virginica, (L.) DC. Prod. x.—Pulmonaria Virginica, 



L. Spec. 



Low woods; abundant. 



LlTHOSPERMUM LATIFOEIUM, Michx. Fl. 



Upland woods; scarce. 



Skunk river northeast of College, and elsewhere. 



L. canescens, (Michx.) Lehm. PL Asper. 1818. — Batschia canes- 

 cens. Michx. Fl. 

 Prairie: frequent. 

 L. angustifolium, Michx. FL 



Prairie: frequent. 

 Onosmoditjm Carolinian um, (Lam.) DC, var. mollis, (Michx.) 

 Gray, Syn. Fl. ii. i. — O. mollis, Michx. Fl. 

 CONVOLV UL A CE. E. 



Ipomcea purpurea, (L.) Lam. Illustr. i. — Convolvulus purpurea, 



L. Spec. 2d ed. 



Escaped from cultivation in the neighborhood of dwellings. 



Convolvulus bepium, L. £Spec. 



Low ground; abundant. 

 C. arvensis, L. Spec. 



In a field a short"distancc northwest of Mr, Sexton's house. 



