"The best collection is, I believe, at Kew, and the botanical garden for which Ton is asking should be able to obtain material from there." I hope he has the patience of an angel and is prepared for a mountain of paperwork. With few notable exceptions, Kew's accessions in areas such as this have been one way - in. J. John T Lonsdale PhD 407 Edgewood Drive, Exton, Pennsylvania 19341, USA Home: 610 594 9232 Cell: 484 678 9856 Fax: 801 327 1266 Visit "Edgewood" - The Lonsdale Garden at http://www.edgewoodgardens.net/ USDA Zone 6b