
          has come, and awaits my attention, and I must quit. 


 If you want to show pollen-tubes beautifully &
 readily  to your class, scrape off the pollen from 
 an oldish anther of Utricularia. They are long &
 very fine. 


 In haste 
 Yours affectionately
 A. Gray


 George is waiting, and 
 sends best regards.
        