
          When shall I begin to study grasses?
 I know not a Genus & scarce a
 species. Of this my disiderata
 is sufficient proof.


 Indeed I learn but little of any
 thing. I have learned one thing however.
 It is to blow hydrogen bubbles; connect
 the pipe by a flexible [crossed out: reservior]
 tube to a reservior.


 Tell Ross beforehand where to leave
 your drawing Your offer to
 pay the express is decidedly cool.
 They are here for my use.


 Yours in haste


 I. F. Holton
        