Small seed (5)
(Other definitions for grain that I've seen before include "Cereals" , "Small hard seed of corn etc" , "basis for whisky" , "little salty bit" , "Small piece of sand" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small seed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ovule that I've seen before include "Egg cell" , "Undeveloped seed" , "Part of plant ovary which becomes seed" , "Part of seed plants" , "Immature ovum" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small seed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>