Journal of the Oklahoma Native Plant Society, Volume 15, December 2015 Five Year Index to Oklahoma Native Plant Record Volume 10 4 The Identification of Some of the More Common Native Oklahoma Grasses by Vegetative Characters, 1950 M. S. thesis, William Franklin Harris 34 The Vascular Flora of Hale Scout Reservation, LeFlore County, Oklahoma Bruce W. Hoagland and Amy K. Buthod 54 The Toxicity of Extracts of Tephrosia virginiana (Fabaceae) in Oklahoma, Mary Gard 65 Four Western Cheilanthoid Ferns in Oklahoma, Bruce A. Smith 77 Critic’s Choice Essay: Being a Method Proposed for the Ready Finding ... To What Sort Any Plant Belongeth, Ronald J. Tyrl Volume 11 4 Survey of the Vascular Flora of the Boehler Seeps and Sandhills Preserve, Ph. D. dissertation Linda Gatti Clark 22 Schoenoplectus hallii, S. saximontanus, and the Putative S. hallii x S. saximontanus Hybrid: Observations from the Wichita Mountains Wildlife Refuge and the Fort Sill Military Reservation from 2002- 2010, Marian Smith and Paul M. McKenzie 33 Spatial Genetic Structure of the Tallgrass Prairie Grass Dichanthelium oligosanthes (Scribner’s panicum), Molly J. Parkhurst, Andrew Doust, Margarita Mauro-Herrera, Janette A. Steets, and Jeffrey M. Byrnes 43 The Effects of Removal of Juniperus virginiana L. Trees and Litter from a Central Oklahoma Grassland, Jerad S. Linneman, Matthew S. Allen, and Michael W. Palmer 61 The Changing Forests of Central Oklahoma: A Look at the Composition of the Cross Timbers Prior to Euro-American Settlement, in the 1950s and Today, Richard E. Thomas and Bruce W. Hoagland 75 Critic’s Choice Essay: Some Thoughts on Oklahoma Plants and Summer 2011’s Exceptional Drought, Leslie E. Cole Volume 12 4 Possible Mechanisms of the Exclusion of Johnson Grass by Tall Grass Prairies, M. S. thesis Marilyn A. Semtner 33 A Preliminary Pawnee Ethnobotany Checklist, C. Randy Ledford 43 Vascular Flora of Alabaster Caverns State Park, Cimarron Gypsum Hills, Woodward County, Oklahoma, Gloria M. Caddell and Kristi D. Rice 63 A Comparison of the Composition and Structure of Two Oak Forests in Marshall and Pottawatomie Counties, Bruce Smith 69 Critic’s Choice Essay: Virtual Herbaria Come of Age, Wayne Elisens Volume 13 4 Ecology and Taxonomy of Water Canyon, Canadian County, Oklahoma, M. S. thesis, Constance A. Taylor 29 A Checklist of the Vascular Flora of the Mary K. Oxley Nature Center, Tulsa County, Oklahoma Amy K. Buthod 48 Smoke-Induced Germination in Phacelia strictaflora, Stanley A. Rice and Sonya L. Ross 55 Critic’s Choice Essay: A Calvacade of Oklahoma Botanists in Oklahoma – Contributors to our Knowledge of the Flora of Oklahoma, Ronald J. Tyrl and Paula A. Shryock Volume 14 4 Flora of Kiowa County, Oklahoma, M. S. thesis, Lottie Opal Baldock 38 Gardens of Yesteryear, Sadie Cole Gordon 43 Oklahoma Deciduous Trees Differ in Chilling Enhancement of Budburst Stanley A. Rice and Sonya L. Ross 50 Mapping Distribution in Oklahoma and Raising Awareness: Purple Loosestrife (Lythrum salicaria), Multiflora Rose (Rosa multiflora), and Japanese Honeysuckle (Lonicera japonica) Katherine E. Keil and Karen R. Hickman 67 Non-Twining Milkweed Vines of Oklahoma: An Overview of Matelea biflora and Matelea cynanchoides (Apocynaceae), Angela McDonnell 80 Critic’s Choice Essay: Pollination Ecology of Our Native Prairie Plants, Gloria M. Caddell Oklahoma Native Plant Society P.O. Box 14274 Tulsa, Oklahoma 74159-1274 _________________________________________________________________________ In this issue of Oklahoma Native Plant Record Volume 15, December 2015: _________________________________________________________________________ 4 Preface to First Flowering Dates for Central Oklahoma, Wayne Elisens 6 First Flowering Dates for Central Oklahoma, Ben Osborn 19 Forest Structure and Fire History at Lake Arcadia, Oklahoma County, Oklahoma (1820–2014), Chad King 31 Interplanting Floral Resource Plants with Vegetable Plants Enhances Beneficial Arthropod Abundance in a Home Garden. Chrisdon B. Bonner, Eric J. Rebek, Janet C. Cole, Brian A. Kahn, and Janette A. Steets 49 Contributions to the Flora of Cimarron County and the Black Mesa Area Amy K. Buthod and Bruce W. Hoagland 78 Antifungal Activity in Extracts of Plants from Southwestern Oklahoma against Aspergillus flavus, Tahzeeba Frisby and Cameron University students 96 Kudzu, Pueraria montana (Lour.) Merr. Abundance and Distribution in Oklahoma Marli Claytor and Karen R. Hickman 105 Critic’s Choice Essay: Mistletoe, Phoradendron serotinum (Raf.) Johnston, Paul Buck Five Year Index to Oklahoma Native Plant Record – inside back cover