1: Edible root on grapevine equals 200 milligrams (5)
4: Endless charades (one variety) I parade before the newlyweds (9)
7: Ninth-inning heroics on one side or the other (9)
9: Getting old drink in silver container (5)
11: Spend too much time on the track where powerlines are frequently found. (4-5)
12: 'There the woman is!' exclaimed in a less friendly way (5)
13: Siamese toolmakers reportedly in colorful clothing (3-4)
15: Alien live around Glacial Ridge? (5)
16: Birds in the wilderness (5)
18: Live within the lustre of a spirited place (7)
21: Guided into the West (2,3)
22: Miserable poor agree with 'La Boheme' spectator (9)
25: Their game baffled a cloister (9)
26: Gee, side dish doesn't include company's observation about gas? (6,3)
27: Genteel Egyptian penning mournful poem (5)