1898] KARYOKINESIS IN THE ROOT T/PS OF ALLIUM CEPA 237 
Fic. 19. One-sided spindle with looped spirem. Anilin-safranin, iron- 
ee alum-haematoxylin. Zeiss oc. 12, B. and L. obj. +4. 
Fig. 20. Loose mother skein with centrosomes at the a of the spindle. 
Iron-alum-haematoxylin. Zeiss oc. 12, obj. 2™™ ap. hom. 
Fig. 21. A flat cell with a very flat spindle. One end shows a centro- 
some. Anilin-safranin, picric nigrosin. Zeiss oc. 12, B. and L. obj. 7s. 
FIG. 22. Spindle much as in fg. 20, but more pointed. Anilin-safranin, 
gentian-violet. Zeiss oc. 12, B. and L. obj. +s. 
Fic. 23. Loose mother skein with large centrospheres in which the cen- 
trosomes have divided earlier than usual. Anilin-safranin, gentian-violet. 
Zeiss oc. 12, B. and L. obj. py 
Fig. 24. Long cell showing a sharp-pointed spindle with centrosphere 
and an outer granular zone in the radiations. Anilin-safranin, iron-alum- 
haematoxylin. Zeiss oc. 12, B. and L. obj. +. 
PLATE XXM, 
Fic. 25. Loose mother skein showing spindle with typical centrospheres 
and wetidiiona: Iron-tannin, safranin. Zeiss oc 12, B. and L. o 
Fic. 26. Typical mother star. Anilin-safranin, gentian-violet, Gram’s 
iodin piatscent atk iodid. Zeiss oc. 12, B. and L. obj. yy. 
Fic. 27. Segmented mother star. Acid fuchsin. Zeiss oc. 12, B. and L. 
Fic. 28. Segmented mother star from large cells of central strand. One 
end shows a very marked centrosome, the other none. Anilin-safranin, gen- 
tian-violet. Zeiss oc. 12, B. and L. obj. +1y. 
Fic. 29. Early stage of metakinesis with spindle still somewhat dome- 
shaped because of the flatness of the cell. Centrosomes divided. Anilin- 
safranin, Ags nigrosin. Zeiss oc. 12, B. and L. obj. 
. Metakinesis en showing radiations around the poles. Anilin- 
sabvenis, paces -violet. s oc. 12, obj. 2™ ap. hom. im. 
Fic. 31. Last stage = metakinesis ; centrosomes pe Anilin- 
safranin, gentian-violet. Zeiss oc. 12, obj. 2™ ap. hom. i 
Fic. 32. Daughter star stage; centrosomes dividing. Anilin-safranin, 
iron-alum-haematoxylin. Zeiss oc. 12, B. and L. obj. ty. 
Fic. 33. Daughter star. Prominent radiations around the poles. Anilin- 
safranin, gentian-violet. Zeiss oc. 12, B. and L. obj. +s. 
1G. 34. Beginning of loose daughter skein. Anilin-safranin, iron-alum- 
haematoxylin, Zeiss oc. 12, B. and L. obj. 7 
Fic. 35. Loose daughter skein with coarse radiations. Gentian-violet, 
eosin. Zeiss oc. 12, B. and L. obj. +s. 
