Hill Country Master Gardeners. Merry Langlinais, naturalist, author and photographer of western Bandera County, will present, “Hill Country Butterflies and Their Host Plants.” Copies of Merry’s book, Critters of Red Heart/The Winged Ones II, will be available for sale for $ 27.04 with tax (cash, local checks, credit cards accepted; not smartphone apps). Hill Country Youth Event Center. HCMGs, interns.