The Mid-South Real Estate Investors Association Inc. will hold a roundtable discussion today from 10:45 a.m. to 1:15 p.m. at Germantown Athletic Club, 1801 Exeter Road. To register, call 751-7101 or e-mail info@midsouthreia.org.

The Memphis Business Xchange will meet for a networking luncheon today from 11:30 a.m. to 1 p.m. at Jim’s Place East, 5560 Shelby Oaks Drive. Cost is $30 in advance and $35 onsite. For more information, call 615-319-9393.

The Memphis Botanic Garden will present “Lucidity” by Mark McKee today through July 31 at the garden, 750 Cherry Road. An opening reception will be today from 5:30 p.m. to 7:30 p.m. For more information, call 636-4100.

The Memphis Botanic Garden will present “Celebrating Green … In Tune with Nature” by Mary Lawrence Allen today through July 31 at the garden, 750 Cherry Road. An opening reception will be held Thursday from 5 p.m. to 7 p.m. For more information, call 636-4100.

The Tennessee Department of Revenue will hold its next free bimonthly new business workshop Thursday from 9 a.m. to noon at the Renaissance Business Center, 555 Beale St. To register, call 213-1400 or visit www.tn.gov/revenue.

The Center for Southern Folklore will host free performances by Tori Norton Thursday and the Honey Dewdrops Friday at noon at the center, 123 S. Main St. The performances are part of the center’s Brown Bag Lunch Series. For more information, call 525-3655.

The Center for Southern Folklore will host a performance by the Daddy Mack Blues Band Saturday at 9 p.m. at the center, 123 S. Main St. Admission is $5. For more information, call 525-3655.

The Alzheimer’s Awareness Tour will stop in Memphis for a breakfast event Monday from 8 a.m. to 10 a.m. at the Embassy Suites Hotel, 1022 S. Shady Grove Road. The breakfast is free and will include information about the latest research and clinical studies. Space is limited. For reservations, call 877-307-8839 or e-mail info@newleafevents.com.

MPACT Memphis will meet Monday at 6 p.m. at Blue Monkey, 2012 Madison Ave. Potential members and new members will have the opportunity to meet current members. To R.S.V.P., contact Paul Sciubba at memberconnections@mpactmemphis.org or 528-8340.