35 



But if it should be raised to the rank of a species, its 

 name must be P nuttallii Lehm Ind. Sem. h. Hand. Add. 

 12 (1852), as the other two are not available as specific 

 names. 

 Saiujnisorha saiiguisorha (L.) 



Putcrium sanguisorba L. Spec. PI. 991. (1753) 



The two genera are now united, even by Dr. Gray. But he 

 chose the latter name. Saitguisorba is found on page 116 

 of the Species Plantarum, Polerium on page 994. 



Agrimonia striata Michx. Fl. Am. I., 287. (1803) 

 Agrimonia eupatoria Auct. Am. 



Dr. Britton in Bull. Torr. Bot. Club XVIII., 367 (1891) 

 has pointed out that oiir common Agrimonia is not the 

 A. eupatoria of Europe. 



Pirns coronariaioivensis Wood Class Book Rev. Ed., 333. (1868) 

 Pints iowensis Bailey Am. Garden XII., 473. (1891) 

 Pirns coronaria L. of Gray's Manual, as far as Nebraska and 

 other western specimens are concerned. 



Crataegus mollis (T. & Gr. ) Scheele Linnaea XXL, 569. 

 (1847) 

 Crataegus suhvillosa Torr. P. R. Rep. IV., 86. (1856) 

 Crataegus coccinea mollis T. & Gr. Fl. I., 465. (1838) 

 This is generally accepted as a good species. 

 Bibes rubrum albinervium (Michx.) Mac M. Met. Minn. Vail., 

 279. (1892) 

 Eibes albinervium Michx. Fl. I, 110. (1803) 

 Bibes rubrum subglandulosum Maxim Bull. Acad. Pet. 19, 

 261. (4878) 

 Myriophyllum pinnatum (Walt.) B. S. P. Cat, N. Y. (1888) 

 Potamogeton pinnatum Walt. Fl Car., 90. (1788) 

 Myriophyllum scabratum Michx. Fl. II., 190. (1803) 

 CallHriche pahistris L. Spec. PI., 4. (1753) 

 Callitriche verna L. Speq^Pl. Ed. 2, 6. (1761) 



