turn vulgara. In A, 14 
en; the other two over- 
different sections of the 
D. In E may be seen 
i seen a later stage than 
A to F.—Cells from the root tips of Manchuria, a variety of H 
chromosomes are clearly visible. In B, 12 chromosomes are clearl; 
lap at the ends and appear to be one hig chromosome. C and D i 
same cell, 13 of the chromosomes appearing in C and the other oru 
the beginning of the separation of the daughter chromosomes. In 
that in E. X approximately 1,400 
O and H.- - These are from the root tips of H. Intermedium cor 
chromosomes. X approximately 1,400 
(Material was killed in modified Bouin’s killing fluid and starni 
alum haematoxylin. Sections were cut transversely in thickness o; 
wise stated, a K-l filter was used in taking the photomicrographs) 
ich contains 14 
i ■ 'vi&SiSgf.Hi 
Fj5a 
W t* Mi 
Kw ' Wp' I 
t '11 
II 
