1. Coming-out party? → BABYSHOWER
11. Finish (up) → WRAP
15. "Hello-o-o?" → ANYONEHOME
16. Dialect featured in the literature of Alice Walker and Toni Morrison, for short → AAVE
17. Scenario calling for self-reliance → SINKORSWIM
18. Summer flier → GNAT
19. Classic 1926 poem associated with the Harlem Renaissance → ITOO
20. Do some cleaning → DUST
21. Creatures that can turn into humans on land, in Scottish folklore → SEALS
22. Sound around a summer cornfield → CAW
23. Wood used for flooring → FIR
24. Trunk item → GASCAN
25. Shortest-reigning English monarch (9 days) → JANEGREY
28. Molecule that can self-splice → RNA
29. Enthusiasm-curbing → JADING
32. "Here we go!" → LETSROCK
34. Uncovered → OPEN
35. Some cuts of meat → CHOPS
37. Tennis great who had a tennis scholarship from U.C.L.A. → ASHE
38. Place for trading stories? → BOOKFAIR
40. Diverts → AMUSES
42. It takes a long time to get this → OLD
43. Leading character on social media? → ATSYMBOL
45. White House partner, for short → FLOTUS
47. Assume, as costs → EAT
48. Do some cleaning → MOP
51. Market for currencies, informally → FOREX
52. Financial aid basis → NEED
54. Hand count? → FIVE
55. Ian : Scotland :: ___ : Wales → EVAN
56. One might help you hitch a ride → CARTRAILER
58. Parmesan cheese feature → RIND
59. Novel whence the line "Four legs good, two legs bad" → ANIMALFARM
60. Rests → SITS
61. They're green year-round → FAKEPLANTS