28 Art. 5.— Y. Tcdi: 



10) Calcium nitrate, calcium sulphate, calcium chloride, and 

 calcium carbonate, each in 0.1^ solution, are not only not in- 

 jurious to Schistostega osmundaeea, but stimulate its growth to a 

 certain extent. 



11) The spore, at a temperature of l&^ — 25°C., germinates 

 in one month, and its first filament has a cylindrical shape, pro- 

 ducing many spherical cells soon after. 



Tokyo, June, 1915. 



