60 Ilhodora [March 



that is more common at that station. Apiin, a T'. paJmata ])arent 

 may have more or less admixture of J', .sororia or T. papilloiiacea. 

 Miss Day, librarian of the (Jray Herbarium, has kindly called my 

 attention to an account of the discovery in the Tyrol, near Innsbruck, 

 of a genuine triple hybrid: J'iola (hirfa X odorafa) X collina. (See 

 Magyar liot. Lapok. ii. ISO, June, 1903.) 



MlDDLKHURY CoiJ.KG?:. 



Kxi'LANATtoN OF Plates 66-70. 



PL 66, figures a & b, Viola s^mjiltata X septetnloba (H. D. House, Hvattsville, 

 Md.). 

 fijEjure c, Viola sagittnta, } collected at the same time and place with 

 figure d, Viola septcmloha, ) "a." 



PI. 67, figure a, Viola fimbrintula X septemloba (Miss F. A. Muljord, Hemp- 

 stead, Long Island, N. Y.); grown one year in Middlebury, Vt. 

 figure b, Viola fimbriatula,} , ., e xu ' j. ^- u „ 



figure c, Viola septemloba, i^""^^ ^™" ^^^ "^'"^ ^t^^'«" ^« ^■ 

 PL 68, figure a, Viola fimbriatula X sagittata (Miss A. M. Ryan, East Lyme, 

 Conn.), 

 figures b to e, Leaves of other plants of this cross from same station 

 PL 69, figure a, Leaf of Viola septemloba, ) 



figure f, Leaf of Viola pectinata, > (F. F.Forbes, Dedham, Mass.). 

 figures b to e, intergradient forms, ) 

 PL 70, figure a, Leaf of Viola fimbriatula, ) r> i • o ^ /-< 



figure b, Viola fimbriatula X palr^ata, f Jiobtnson & GreenmanGmnny 

 figure c, Leaf of Viola palmata, S "'"' Lexmgton, Mass. 



In all five plates the figures are X }. 



