Journal Vol 84-5

September-October 2012

Contents

• Tiny Stars: four cryptic Cacti of Northern Arizona Peter Breslin
• How to combine responsible species description, Biodiversity protection and the activities of Amateur Botanists Maurizio Dioli
• The New Black and White Irwin Lightstone
• Euphorbia antiquorum and James Bond Root Gorelick
• An Unusual Epiphytic Succulent: Aichryson tortuosum Ray Stephenson
• Opuntia fragilis in MinnesotaEric Ribbens & Henry Fieldseth
• Old News from Comondu: Interesting news from Baja CaliforniaWolfgang H. Blum & Michael J. Lange

On the cover: Peter Breslin captured the extravagant spines of Pediocactus peeblesianus subsp. fickeiseniae in fruit, near House Rock Valley, AZ.