Another result , narrated along with this catastrophic marriage in the third volume of john richardson 's biography , was picasso 's first visit to london to design the ballets russes production le tricorne .
He is guarded at street level by men in quaint uniforms ( in his case , civil guards in patent-leather tricorne hats ) and upstairs by serried ranks of aides .
The results showed that galium tricorne had allelopathic effects on all wheat varieties tested , but the allelopathic effects were significantly different on various wheat varieties , and the difference might he caused by the genetic traits of different wheat varieties .
