250 The Botanical Gazette. [April, 
fr pecipe fragmentation a partial distribution in the cytoplasm at 
that iod. He suggests that it provides the material for the con- 
cha of the ees spindle. This body hé considers to con- 
sist of two parts, a central strand of Sea aie fibers, which stretch 
from pole to pole, and along which the chromosomes slide, and an 
outer group o bers, which end at the equator on the chromosomes 
themselves. These latter fibers are effective in conveying the daugh- 
(Fe oe to their respectives poles.— Jour. Roy. Micr. Sot. 
. GEORGE MAasseEE, os ace ere (Jan.) describes and figures 
Rosellinia depen and very des scr ve root-fungus of New 
ealand. It seems to ey oa st ianivar sin its ravages, attacking 
all common orchard trees, cabbages, a faines, etc. It is most plenti- 
a 
more dreaded in New isoyoees than any ravages by insects. he ne 
fungus resembles Dem atophora necatrix, the for m producing the root. 
se 
disease ae known as aha dié” in central ai western Euro OnE 
— has Seu See the root-tubers of /s) 
oe D. 
rum biternate umn vf esults being 
bli rom a ppereiniegical standpoint, his z nn Bol 
i 
the tendency to form “red starch” is characteristic; that the den 
to form tubers is firmly Axed, elas even in an apparently stare 
condition in water cultu u es; and that the sap of the external tissué 
contains a bitter substance, which may serve as protection against +a 
mals and fun oe 
author has succeeded in followin reprti9 
the w ole s of se sex p 
tion, a result which goes far cuca nettling hae disputed quel! 
