fruit body reveal at once the conditions described by M 
14 BOTANICAL GAZETTE [JANUAR 
in Hypochnus. In general, the karyokinetic figures agree wit 
those found in the division of the ascus nuclei, A more detaile 
account of the stages I shall give later in another connectio 
The fusion nucleus regularly migrates to the apex of the basidiu 
before it divides. The spindle is always transverse to the lon 
axis of the basidium. In the equatorial plate stage and a lit 
extending from the nuclei up into the developing sterigmata, 
their origin I have not been able to determine. The fully form 
Spores contain a single nucleus and are oblong, and, as a rul 
slightly flattened on one side. | 
I have also investigated the nuclear phenomena in a $ 
of the Agarics, Coprinus ephemerus. Sections through the yo 
The stipe and pileus consist of large multinucleate cells wi 
extremely numerous nuclei. A cross-section of a small group ' 
cells from the stipe is shown in fig. 12. The cells in cross-secti 
