CHROMOSOME NUMBERS OF SEVERAL CULTIVATED PLANTS FROM SHANGHAI

Chromosome counts are reported for eleven species and one subspecies of cultivated plants belonging to eight families from Shanghai.Berberis chinensis Poir. (Berberidaceae) 2n=28;Pyracantha fortuneana (Maxim.) Li (Rosaceae) 2n=34;Indigofera pseudotinctoria Matsum. (Leguminosae) 2n=16;Lespedeza cuneata(Dam. Cour.)G. Don (Leguminosae) 2n=20; the fact that most of the species heretofore known with 2n=20 in the genus Lespzdeza possess apetalous flowers, while species with 2n=22 are predominantly lack of apetalous flowers deserves further study;Lespedeza thunbergii (DC.) Nakai ssp. cathayana (Hsu et al.) Hsu et al.2n=22, reported for the first time; Amorpha fruticosa L. (Legumiuosae)2n=40; Phyllanthus glaucus Wall. (Euphorbiaceae)2n=26, reported for the first time; Hypericum densiflorum Parsh. (Hyoericaceae) 2n=16; Diospyros cathayensis Steward (Ebenaceae) 2n=60, reported for the first time; Ligustrum lucidum Ait. (Oleaceae) 2n=46, with a mixoploidy of two dif ferent numbers 2n=42, 44; Ophiopogon chekiangensis Kimura et Migo (Liliaeeae) 2n=68,72, reported for the first time; Liriope spioata Lour. (Liliaceae), 2n=108. The vouchers are preserved in the Herbarium of Fudan University.