CSSA VOL.89, July-August 2017 No.4 A new, arborescent species of Dracaena from Saudi Arabia John J.Lavranos The Great Escape Graham Williamson Sedum sinforosanum (Crassulaceae) a new species from the state of Chihuahua, Mexico Jeronimo Reyes Santiago, Julia Etter & Martin Kristen Pushing the limits: landscaping with cacti and succulents in cold climates #25 Leo Chance A new species of Puya (Bromeliaceae) from coastal Peru Zlatko Janeba Opuntia fragilis in the San Juan Islands Root Gorelick The Crassulaceae of Cusco, Peru Part II: subfamily Sedoldae Guillermo Pino, Washington Galliano, Percy Núñez Vargas & Ben Kamm On the cover: Sedum sinforosanum is described in this issue, and this photo by Jeronimo Reyes Santiago shows details that would be easily overlooked without magnification. The lustre of the surface of the petals and the color of the anthers underneath the pollen would otherwise go unnoticed. It is also possible to see that the flower in the center of the picture has four stigma lobes, while the one below it has five. .