Pistilidium or Pistillidium: How To spell?

The word Pistilidium is misspelled against Pistillidium, a noun meaning "Same as Archegonium."

Pistillidium has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pisti & idium which should not be misspelled with single 'L'
Wrong Spelling:  pisti-l-idium 
Correct Spelling:  pisti-ll-idium 
Check more misspelled words of Pistillidium to spell it correct.