proposed New Genera of Sapotaceae . 209 
seed, the testa is exceedingly thick, and the large hilum is 
represented as basal or inferior, instead of lateral as in 
Chelonespermum ; and this position is confirmed by Dr. 
Baillon in his recent monograph. In Lucuma — L. mammosum , 
for instance — the large hilum is lateral as in Chelonespermum . 
