CSSA VOL.93, Summer 2021, No.2 The Huntington Botanical Garden Presents the 2021 Offering of the International Succulent Introductions John N. Trager & Alyssa Farrier Moringas of Madagascar Brian Kemble Notes on Pilosocereus (Cactaceae) from the island of Hispaniola and the description of three new species Paul Hoxey, Andrew Gdaniec & William Cinea An annotated history of the genus Ariocarpus Rob Skillin & L. Maynard Moe Is Crassula fragilis Schonl. a valid taxon or synonymous with C. pubescens Thunb. subsp. pubescens? Niels H.G. Jacobsen Molecular study of the genus Copiapoa (Cactaceae), Part VIII Fred Kattermann Cactus & Succulent books for children Colin C. Walker & David Schultz Is that a cactus on the roof? Grenivel M. Da Costa, Lidyanne Y.S. Aona & Lucas C. Marinho xTaciveria 'Pink Brasil' - a new and remarkable pink-flowered hybrid Gerardus Olsthoorn

On the cover: This impressive Pilosocereus polygonus was captured in habitat just north of the town of Gonaïves in northwest Haiti by Paul Hoxey. The plant was estimated to be 4-5m tall. The area has limestone soils with a thorny scrub. Apart from Pilosocereus, some imposing specimens of Consolea moniliformis were present (these are just visible in the background) and a few other cacti including: Stenocereus fimbriatus, Harrisia divaricata, Opuntia dillenii and Cylindropuntia caribaea.