Dear Bob: I have asked Charles the same questions. Next time he is here,
he will demo it for us and you can come. Nina
Nina Stromgren Allen
Professor, Department of Botany
Box 7612
North Carolina State University
Raleigh, NC 27695-7612
Phone: 919-515-8382 (Office), 515-3525 (Lab), 515-2727 (Department Secretary)
Fax: 919-515-3436