60 



5 days 53, 10 days 54, 20 days 55, 30 days 55 %. Thus the sample 

 practically had finished its germination after 5 days; generally, 

 however, this seed germinates much more slowly and sometimes 

 not at all. 



CATALPA KAEMPFERI, like the American species, C. SPECIOSA 

 and C. BIGNONIOIDES, germinates readily and quickly, and the 

 seed keeps its germinating power for a couple of years. The best 

 result was the following: 5 days 73 %; 10 days 93 %; 20 days 95 / ; 

 and 30 days 96%; the lowest result: 5 days 9%; 10 days 83%; 

 20 days 86 %; and 30 days 86 % 



PAULOWNIA IMPERIALIS is likewise easy to deal with when 

 the seed is good, which is almost always the case. The best ger- 

 mination result is as under: 



5 days 0%; 10 days 82 %; 20 days 85 %; and 30 days 85 %; 

 the lowest: 



5 days %; 10 days %; 20 days %; and 30 days 13 %. 



WISTARIA CHINENSIS has been tested two or three times, the 

 best germination result being 43 % in 30 days, the lowest only 4 %. 



ZELKOWA KEAKI, on the contrary, germinates slowly: 



10 days %; 20 days 5 %; 30 days 11 %; 60 days 29 %; and 100 

 days 43 %; consequently in the seed bed the seeds will probably 

 remain a year before growing. 



