1	"Apical tubercle of fruiting perianth more than 1 mm long; body with a distinctly narrowed, subcylindric base"	"Osteocarpum acropterum"
1	"Apical tubercle of fruiting perianth absent or less than 1 mm long; body sub-globular, subsessile to sessile"	"Osteocarpum salsuginosum"