| Both Barack and Michelle Obama have them: Abbr. | 47 |
| Botanists' microscopic study | 32 |
| Botanist who upgraded the South's economy | 45 |
| Botanist who gave name to a flower | 34 |
| Botanist associated with pea plants | 35 |
| Botanical source of a certain stimulant | 39 |
| Botanical skin treatment ingredient | 35 |
| Bosworth of ''Superman Returns'' | 48 |
| Boswell's Johnson e.g. | 33 |
| BostonÂ’s Liberty Tree, for one | 34 |
| Boston-born English official in India | 37 |
| Boston-based New York Times correspondent Sara | 46 |
| Boston-based department store founder | 37 |
| Boston-accented Harvard dropouts? | 33 |
| Boston's TD Banknorth Garden, e.g. | 38 |
| Boston's Red or Chicago's White | 39 |
| Boston's nickname, with "the" | 43 |
| Boston's Liberty Tree, for one | 34 |
| Boston's Liberty Tree, for example | 38 |
| Boston's Liberty Tree was one | 33 |
| Boston's Liberty Hotel, once | 32 |
| Boston's David "Big ___" Ortiz | 44 |
| Boston's Commonwealth, for one: Abbr. | 41 |
| Boston's Commonwealth, e.g. (Abbr.) | 39 |
| Boston's basketball team, familiarly | 40 |
| Boston ___ (early film detective) | 33 |
| Boston University law school building architect | 47 |
| Boston transit run or rink divider | 34 |
| Boston team's tall stories of greatness? | 44 |
| Boston Tea Party (Ã la O. W. Holmes) | 39 |
| Boston Symphony's summer home | 33 |
| Boston Symphony Orchestra leader | 32 |
| Boston suburb where N.C. Wyeth was born | 39 |
| Boston Statehouse, to O. W. Holmes | 34 |
| Boston skyscraper, with "the" | 39 |
| Boston skyscraper nickname, with "the" | 48 |
| Boston Red Sox catcher Jason, for short | 39 |
| Boston Red Sox captain's nickname | 37 |
| Boston player who was the 2013 World Series MVP | 47 |
| Boston pitcher and Minnesota batter | 35 |
| Boston Patriots running back Jim | 32 |
| Boston park, with "the" | 33 |
| Boston or Chicago team, for short | 33 |
| Boston mass transit system, to locals | 37 |
| Boston Marathon winner de Castella: 1986 | 40 |
| Boston landmark, with "the" | 37 |
| Boston Harbor event precipitator | 32 |
| Boston Government Center architect | 34 |
| Boston Gazette editor-patriot: 1732–1803 | 47 |
| Boston Garden nickname for Bruin Phil | 37 |
| Boston Garden heroes, to their fans | 35 |
| Boston cream and coconut custard | 32 |
| Boston college from which Jay Leno graduated | 44 |
| Boston Coll. conference since 2005 | 34 |
| Boston Celtic fans' favorite pastime? | 41 |
| Boston building, to locals, with "The" | 48 |
| Boston Bruins or Chicago Bears, e.g. | 36 |
| Boston attraction designed by Pei | 33 |
| Boston area, with "the" | 33 |
| Boston and Chicago, but not Seattle | 35 |
| Boston and Chicago are known for it | 35 |
| Boston "___ Your Love" | 32 |
| Boston "___ a Feeling" | 32 |
| Boston "Third Stage" hit | 34 |
| Boston "Stare ___ Your Window" | 40 |
| Boston '80s garage rockers ___ Fuegos | 41 |
| Bossy but generous type, supposedly | 35 |
| Bosses, senior partners, top executives, et al. | 47 |
| Boss's words, after "Because" | 43 |
| Boss's nervousness-inducing note | 36 |
| Boss's "What are you waiting for?!" | 49 |
| Boss's "We need to talk" | 38 |
| Boss' personal brewing ingredient? | 38 |
| Boss portrayer in "9 to 5" | 36 |
| Boss on "The Dukes of Hazzard" | 40 |
| Boss of Crocker and Stavros, familiarly | 39 |
| Boss of a certain fruit plantation? | 35 |
| Boss of "The Dukes of Hazzard" | 40 |
| Boss for agents Youngfellow and Rossi | 37 |
| Boss associated with westward migration | 39 |
| Boss -- ('The Dukes of Hazzard' role) | 45 |
| Boss (with ''head'') | 36 |
| Boss "Tougher Than the ___" | 37 |
| Bosch's 'The Garden of Earthly --' | 46 |
| Borstein of "Family Guy" | 34 |
| Borrows without intending to repay | 34 |
| Borrowing from a Borodin nocturne | 33 |
| Borrower's question (Part 4) | 32 |
| Borrower's question (Part 3) | 32 |
| Borrower's question (Part 2) | 32 |
| Borrower's question (Part 1) | 32 |
| Borrower's interest re interest | 35 |
| Borrowed-money outlay causes imminent shortages? | 48 |
| Borrow without intending to repay | 33 |
| Borough in Camden County, New Jersey | 36 |
| Boron's table listing: Abbr. | 32 |
| Borodin’s “Prince ___” | 34 |
| Borodin's "Prince _____" | 38 |
| Borodin's "Prince ____" | 37 |
| Borodin's "Prince ___" | 36 |