s magazine

[toecrusher]

21d rosaceous plant or shrub with yellow 5 petalled flowers

32a addition or increase, one of a series on a scale

36a subtle differences in colour, or in shades of meaning, feelings etc

[gen2]

It would help if we knew how many letters are supposed to be in the answers.  How about these:

21d Potentilla

32a Increment

36a Nuances

[toecrusher]

thanks a lot can  finish it now,does anybody ever actually win these damn crosswords?

[gen2]

Glad they were of some use.  They were just shots in the dark since you gave no clue as to what size of answer was needed or any letters in the answer.  We don't all read the same papers or do the same puzzles.