Ok there are 3 grams. You apperently got the first one, now the second one on that patch of grass after you cross the bridge with the wingull and the third one is with the parsol lady , a.k.a the pink landy holding an umbrella,talk with here and ypu'll get the gram. Take it back the windgull and he'll give you a TM, don't know which one it is though. You can get the grams in any order.