The standardshells have the greatest range in character, thickness
and hardness of shell. For table use they are sometimes too hard for
high-class trade. The percentage of kernel is too low to make them very
attractive to the retail trade. Of this class of almond the Drake is
probably the best of the California varieties. Almond varieties of all
these classes are shown in figures 27 and 28. These illustrations show
most of the varieties grown to any extent in California and others that
have attracted much interest and inquiry, together with the European
Tarragona.