country, " huariqui " (Ibervillea sonorae); during the rainy-
 season green stems arise from these large…
       
          
        (53)
 tropics ; the Illinois acuan is one of the plants representing
 this family here, and many others will be found in the…
       
          
        (63 )
 The arrangement here parallels that in the herbaceous
 grounds and in the other systematic collections.
 The
 sequence…
       
          
        (67)
 illustrating the plum family, to which belong the plums,
 cherries, apricots, and peaches. As many of the species of…
       
          
        (79)
 Near the eastern end of the long bridge are trees illus-
 trating the senna family, the pea family, the rue family, and…