Hello Rolland, Here is some aditional i formation from Jane Macgary written January 2001: Further in the catalog (hoog& Dix), the plant grown in gardens as C. cartwrightianus 'Albus' is referred to C. hadriaticus. Since C. hadriaticus is a hardy, rapidly increasing, floriferous species, and also self-sows as much as any crocus I know, perhaps "C. cashmirianus 'Albus'" is just a selection of C. hadriaticus. The distinguishing feature between cartwrightianus and hadriaticus is that the style branches of C. hadriaticus are "less than half as long as the perianth segments and arise at a point well above the throat" (Mathew), whereas in C. cartwrightianus the style branches divide down in the throat. Greetings Lauw de Jager http://www.bulbargence.com/ -----Original Message----- From Brian Mathew: C. cartwightianus albus is, in fact, C. hadriaticus it seems there are white C. cartwightianus but always with a small purple throat like the white C. longiflorus I found have a few small linesin the throat