238 BOTANICAL GAZETTE [ OCTOBER 
Fic. 36. Loose daughter skein with early stage of cell plate and promi- 
nent centrospheres. Anilin- estas eg violet, Gram’s iodin potassium 
iodid. Zeiss oc. 12, B. and L. obj. 4 
Fic. 37. Loose daughter skein am prominent centrospheres. At the 
upper pole one centrosphere is hidden. Iron-tannin, anilin-safranin. Reichert 
oc. 12, Leitz obj. +y. 
Fic. 38. Loose daughter skein with large cell plate. Anilin-safranin, 
picric nigrosin. Zeiss oc. 12, B. and L. obj. yy. 
FiG. 39. Close daughter skein with cell plate about complete. Acid 
fuchsin. Zeiss oc. 12, B. and L. obj. +4 
Fig. 40. Close daughter skein with ae plate complete. Anilin-safranin, 
iron-alum-haematoxylin. Zeiss oc. 12, B. and L L. obj. +. 
Fig. 41. Close daughter skein with dumb-bell- shaped centrosome 
delayed in division. Anilin-safranin. Zeiss oc. 12, B. and L. obj. 7. 
Fig. 42. Resting daughter cell with remarkably distinct centrospheres. 
Iron- a Soi ale Zeiss oc. 12, B. and L. obj. +5. 
. 43. Sagittaria variabilis. Microspore grandmother cell showing 
cuahe with large centrosomes. Anilin-safranin, iron-alum-haematoxylin. 
Zeiss oc. 12, B. and L. o 
Fic. 44. Same as oi 43. 
Fig. 45. Sagittaria variabilis, Microspore grandmother cell somewhat 
Secied resulting in a distinct multipolar spindle. Centrosomes still visible. 
Anilin-safranin, iron-alum- -haematoxylin. Zeiss oc. 12, B. and L. obj. ay 
