;6o 



The Journal of Heredity 



ENLARGED SECTION ON A FUNIFOLIA OUTGROWTH 

 In this drawing, m.nlf l)\ J. M.u ion Sluill, i> shown in cktail llu' stiurtnir of oiu- of the pcciihar 

 outgrowths which characlcrizc the /««»/«//(/ nuitant. (Fig. l.^.j 



I'or hiindrcfls of years, howt'ver, a nature. Sulfur ea-i\o\\vrcd nuitants 



sulfurea or pale yellowish-white form of have also arisen in experimental cul- 



Oe. biennis L. has been known, widely tures of Stomps- and de Vries,-' and 



distributed in Kuro|)e, and more re- the sulfurea factor has also been 



cently the same variation has been introdiucd into other species by means 



observed in Oe. suuveolens, also, in of lubridi/ation, and has yielded 



'Stomi)s, Thi-o. J. I'.ir.illcle .M iitat ionen hei Ocuolhcrit hiftniis L. Her. Deutseh, Hot. Ciesell. 

 32: 179-18X. 1914. 



* de V'rifs, Hugo. Mntaiions of f )(»;()//«r(; vi/mro/cws Disf. ( '.cnctii s 3; l-2(). 4 fi^;. Jan., 191S. 



