The flavonoids of four Pistacia species in Egypt.

Fresh material (aerial parts, leaves and stems) was collected when possible, collection data (place, date and collector) are outlined and an asterisk indicates a herbarium sample. Samples were identi"ed by M.El-Gibali, and voucher specimen are deposited at the Herbarium (CAIRC) of the National Research Center, or that of the Faculty of Science, Cairo University (CAI). P. atlantica Desf.: (1) North Sinai, 10.8.1996, ElGibali and Saleh. (CAIRC). (2)*Plant island, Aswan, 14.4.1964, El-Mahdi s.n. (CAI). (3)*Zoological garden, Giza, 3.6.1968 El-Mahdi s.n. (CAI). P. chinensis Bge.: (1) Zoological garden, Giza, 14.10.98, Kawashty (CAIRC). P. khinjuk Stocks: (1) Wadi Talah, South Sinai, 2.9.97, El-Gibali (CAIRC). (2)*Gebel shenelodai, Gebel Elba area, 10.2.62 V. Taeckholm et. al., 1983 (CAI). (3)*Wadi Haikwal, Gebel Elba area, 23.10.1956 Boulos (CAI). P. lentiscus L.: (1) Zoological garden, Giza, 14.10.98, Kawashty (CAIRC).