Oh, these flowers my high school also have the, mostly hung the sign, I just recognize the ......1. I'm sure it's a small-leaved chaste tree, chaste tree genus Ligustrum small evergreen shrubs, often used as a hedge (surrounded by flower beds of the plant). Look at Baidu encyclopedia: /view/345441.htm. If the same leaves and flowers, grow into a tall tree, it is chaste tree. 2. this kind of I'm not too sure, the picture is a little dark, should be the balsam fir, you can look for more pictures and compare with the ones in the school is not it, /view/156980.html?hold=redirect. 3. oncidium orchid, also known as the white-flowered Calamus lotus, onion lily, Staphylococcus onion lily perennial herbaceous plants. /view/22205.htm4. Hydrangea, also called Buxus, Purple Sunflower, Ocean Hydrangea, perennial deciduous shrubs of the family Thuja. /view/59032.htm5.mountain acacia, legume acacia genus deciduous small trees or shrubs, flowers at first white, then yellow. Mountain Acacia and Acacia is different, Acacia is usually pink flowers. /view/45175.htm