Vesiculate Types
1. Bladders hemispherical (not constricted at attachment to body), cap of body of even thickness, size 50-80 m.
Picea glauca, Picea mariana
1’ Bladders more than hemispherical, constricted at attachment to body,
2. Size of body 60-90 m, bladder 45-70 m, cap of body up to 5 m thick in center
2’ Size of body 40-55 m, bladder 24-40 m, cap thinner (2 m) and of even thickness
3. Verrucate on body between bladders
3’ No verrucae between bladders
Pinus banksiana, Pinus resinosa
